Making Preservation Possible For City Skylines

Making Preservation Possible For City Skylines
Devon O'Geary Mrs. Hinner LNG 341 11 November 2015 Making Preservation Possible City
skylines can be easily recognized for their unique architectural features, such as sharply pointed
steeples, dramatic heights, and distinctively shaped buildings. In the United States, the skylines of
New York, Chicago, and Seattle show familiar features, such as the Empire State Building, the Sears
Tower, and the Space Needle respectively. Buildings in Charleston, South Carolina, and Savannah,
Georgia are also acclaimed for their quaint style and "Southern Charm." Many of these notable
architectural works of art, referred to generally as historic buildings or historic structures, would
cease to exist without the hard work of preservation societies. These societies, as well as the notable
architecture they preserve, provide educational lessons outside of the traditional classroom for
today's youth. For these reasons, the nation's historic buildings need to be preserved and restored to
their original glory. More state and city governments should follow the federal government's lead
and provide tax incentives to encourage builders to remodel, and thus preserve historic buildings,
preventing the demolition of iconic landmarks. A historic building is any place with historical
context. The word "historic" is defined by Merriam Webster Dictionary as "famous or important in
history; having great and lasting importance; or happening or existing in the past," (Merriam
Webster). Chris Morris of
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The Design And Optimization Steps Of A Thermoacoustic...
Optimizing the Performance of a Standing Wave Loudspeaker Driven Thermoacoustic Refrigerator
Alamir, M.A., Elnegiry, E.A., Eltahan, H.R.
Abstract– This study investigates the design and optimization steps of a thermoacoustic refrigerator.
Matlab code will be used for optimizing the stack length and its position. DeltaEC version 6.3b11
will be used to do the code used for simulating the refrigerator to identify the optimized operating
conditions such as the frequency, the mean pressure and the oscillating pressure. Behavior of
changing the operating conditions effect on the performance is discussed.
Keywords– Refrigeration, Thermoacoustics, Performance, Optimization, DeltaEC.
––––––––––  ––––––––––
1 INTRODUCTION
T
HERMOACOUSTIC refrigeration is from the emerging green technologies that overcomes many of
the environmental problems related to the ordinary vapor compression cycles based refrigeration.
Thermoacoustic refrigeration has ad–vantages of working with environment friendly inert fluids,
simple design and possible quit operation [1]. Optimizing of energy systems is important to provide
the world need of enrgy.
Thermoacoustic refrigeration system is composed of sim–ple components as shown at fig. (1). The
acoustic driver re–ceives a signal with known frequency and power from the function generator and
the amplifier respectively, after that it transmits oscillation inside the resonator with the

Hvc Technician Research Paper
My Future
Easy money, who wouldn't like easy money my job career is one of the easiest jobs anybody can do
it does not take no degree all it takes is six months and you'll be good at the job if you pay attention
it's not that i'm being lazy it's just that i really like doing that kind of work it's interesting and easy
When considering to be an HVAC Technician you are going to need to get ready to get dirty to get
ready to travel because to be an HVAC Technician you are going to meet a lot of new people you are
going to be in bad weather it could be rainy, cold, hot, windy you are going to have to just get used
to working in those conditions and you are going to have fit in tight places because to do my job
they usually do it in ... Show more content on Helpwriting.net ...
HVAC technicians got their name because they specialize in the installation and repair of heating,
ventilation and air–conditioning equipment. They are sometimes referred to as HVACR technicians
because most also specialize in the repair of refrigeration equipment. Maybe you are looking for a
career change and hoping to avoid spending your time and money on a four–year degree. Or maybe
you simply want a job that you know you will enjoy. One of the upsides of a career in HVAC is that
you can do it without an expensive degree. Many technicians do choose to have some sort of formal
training though, which generally comes in the form of a post–secondary degree from a technical or
trade school. This option is much more affordable and can typically take somewhere between one to
two years. One of the best factors to look at when choosing a career path is the potential for growth
of the chosen field. The outlook for HVAC is certainly looking up. According to the (BLS), the
employment rate of heating, air conditioning and refrigeration mechanics and installers is projected
to grow 21 percent from 2012 to 2022, which is faster than the average for all other people . That
amounts to the addition of 55,900 jobs to the

Solar Environment Essay
5.1 Basic Energy Saving Tips LOWER THE SET–POINT ON YOUR THERMOSTAT IN WINTER
Reducing your set–point by 1˚ for an entire winter can yield a 3% savings in energy used to heat
your home. If you keep your thermostat at 68˚, try to turn it down to 67˚ for a week and see if that's
okay. If so, try 66˚ and keep going down until you get to a point where you are no longer
comfortable. Then go back up 1˚ and hold it there.
USE WINDOW TREATMENTS TO CONTROL SOLAR HEAT GAINS IN SUMMER &
WINTER
Often, we can capture the heat energy provided by the sun in our homes. In the winter, on a sunny
day, it can be extremely beneficial to leave the blinds and curtains open on East, South, and West
facing windows to let the sun provide free heat. On the ... Show more content on Helpwriting.net ...
Also, be sure to remove air conditioners from windows in the winter.
OPERATING FANS
The best thing to remember with fans is that they cool people, they do not cool rooms. The air
movement that fans create pulls heat and moisture off of us and gives us a cooling sensation. They
do not decrease room temperatures.
So please be sure to leave fans off when not in the room. In most cases, it is also not recommended
to leave the fan running on your furnace or air conditioner.
LOWER THE SET–POINT ON YOUR WATER HEATER
If you never run out of hot water, you can probably turn the set–point of your water heater down.
The turn dials are typically located under the top and bottom faceplates. Use a screwdriver to
remove the faceplate and turn it down 5–10˚. We do not recommend setting your temperature below
120˚F due to bacterial growth. Also, have the scale removed from your water heater every couple of
years.
2.2 Water Efficiency Tips Water use is becoming an increasingly important issue. Energy is used to
extract the water from the ground, treat it, pump it to your home, and heat it in your hot water tank.
Energy is also consumed to pump, treat and discharge the water once it leaves your home. The
efficient use of water in your home reduces the power consumed by our community. From
significant appliances to little things like showerheads, there

Evaluation Of A Multi Objective Design Optimization...
Review of a multi–objective design optimization strategy for geothermal heat pump that has been
done before is presented. It was noted that several design variables of GHPs, including equipment
profile & building load (such a size, configurations and type of components), thermodynamic
properties (inlet temperature, temperature of evaporator, mass flow rate and etc.) are optimized by a
genetic algorithm (GA), response surface method (RSM), Taguchi method and so on optimizer
implemented in different software. Commonly objectives were extracted. Moreover, it was observed
that the parameters acting as constraints in some works can be as a design variable in another. The
summarizing is presented as tables.
1. Introduction
There has been a development in the world 's population and also an increment in energy needs in
the most recent years. Moreover, due to the small quantify of fossil fuel, as well as in view of its
non–renewable, more consideration must be paid to alternative energy sources, especially in
residential usage, since these accounts for the majority of energy utilization. Besides, the issue of
energy expenditures for heating and cooling is significant at the present time owing to rising in
energy costs and CO2 punishments [1].
A heat pump practically serves to maintain a climate in the building at a desired level. On the whole,
they are utilized for the heating of the air in winter and cooling it during the summer periods.
Through the use of ground temperature, it

Air Conditioner Essay
Air Conditioner Installation in Mansfield, TX
The air conditioning that is best for your home is the unit that maintains your comfort regardless of
how hot it is outside, and performs reliably year after year, while using minimal energy. Lennox
offer advanced central air conditioners with numerous advantages over basic air conditioners,
including high energy efficiency ratings. Lennox units have SEER ratings ranging between 13 and
26 with one designed for your budget and home. Minuteman Heating & AC offers technicians
possessing the highest training available with NATE certification. Contact us today to schedule air
conditioner installation in Mansfield, TX.
When You Want the Best
Lennox's top model offers one of the highest SEER ratings ... Show more content on
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When you install the IComfort, you will always return to a comfortable home, without the loss of
energy. You can rely on professional services when you contact Minuteman Heating & AC for air
conditioner installation in Mansfield, TX.
Lennox central air conditioners also provide quiet operation, much quieter than older units. A fact
you will appreciate when your bedroom is located next to the outdoor condenser, and one your
neighbors will appreciate as well.
Air Conditioner Installation in Mansfield, TX
When it is time for a new air conditioner installation in Mansfield, TX, you will want to carefully
consider your options. After all, the unit you select will be one that you will live with for a number
of years.
Proper Sizing
Ensuring the right size air conditioner is selected for your home is a task for the installer.
Unfortunately, wrong sized units are a common occurrence throughout the U.S. An undersized unit
will run excessively, increasing the electric bill, and increasing the need for air conditioning repair
as the unit wears out prematurely. On the other hand, an over–sized unit will fail to run long enough
to remove excess humidity from the indoor air. Excessive humidity causes you to feel hotter than it
actually is, affecting your comfort and promoting the growth of mold indoors. Ensure you receive
the services you expect, contact Minuteman Heating & AC for air conditioner installation in
Mansfield, TX.
A proper assessment of your home

Geothermal : The Geothermal Of Power
The term geothermal originates from the Greek geo, which means earth, and therme, which means
warm, in this manner geothermal vitality is vitality gotten from the common warmth of the earth.
The world 's temperature differs broadly, and geothermal vitality is usable for an extensive variety of
temperatures from room temperature to well more than 300°F. Geothermal repositories are for the
most part named being either low temperature (150°C). As a rule, the high temperature supplies are
the ones reasonable for, and searched out for, business creation of power. Geophysical techniques
play an important role in geothermal investigation. A geothermal framework is comprised of four
principle components: a warmth source, a store, a liquid, which is the transporter that exchanges the
warmth, and an energize territory. The warmth source is by and large a shallow magmatic body,
usually cooling and often still partly molten. The volume of rocks from which warmth can be
extricated is known as the geothermal reservoir, which contains hot liquids, a rundown term
portraying hot water, vapor and gasses. A geothermal reservoir is generally encompassed by colder
rocks that are using pressurized water associated with the supply. Henceforth water may move from
colder shakes outside the supply (recharge) towards the reservoir, where hot liquids move affected
by buoyancy forces towards a discharge area. Geophysical investigation of geothermal resources
manages estimations on the physical

The Disadvantages And Pros And Cons Of Geothermal Energy
Energy is everywhere: you can feel it; you can listen to it; you can step on it. In the 21st century,
scientists and engineers made a huge progress in the development of different types of alternative
energy sources, the most popular of which are solar energy, wind energy, and geothermal energy.
However, people knowing all the advantages of these energy types, in many cases, cannot afford
them because of several problems. Geothermal energy is a developing technology that extracts the
heat from the Earth. In order to increase the prevalence of it, engineers are trying to eliminate the
disadvantages of the technology, which are unavailability of equipment of the whole system, lack of
skilled workers, huge investments needed in the beginning of ... Show more content on
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According to Gupta, the advantages of geothermal energy are that it is a renewable and
environment–friendly source, it needs small spaces, it can be extracted anywhere, and it does not
depend on the weather (50). But the part that scientists are concerned more about is the cons of the
geothermal energy, because they does not allow the technology to be widely used all over the world.
To understand the most common problems connected with this technology, I searched more articles
on this topic and found the academic article "Geothermal Energy: Delivering on the Global
Potential" by Paul L. Younger, who analyzed some advantages and disadvantages of the geothermal
systems. According to Younger, although the geothermal energy has higher efficiency than wind or
solar energy systems, it remains the least developed among them because of uncertainties about the
availability of geothermal resources in many regions and high concentration of expenses at early
stages of using the geothermal systems (Young 11748). The author concludes that advances in
drilling technologies and improvements in the management of shallow recourses can lower the
installation cost of geothermal systems

Hvac Maintenance Technician Research Paper
Train For A Career As An HVAC Technician A career as an HVAC maintenance technician is
rewarding and it offers you a variety of working conditions. Plus, demand for jobs is usually quite
good since all air conditioners need regular maintenance and repairs. You have a few options to
consider when training for an HVAC career. Attending a trade school is a good choice since you'll
have classroom instruction and hands–on training combined. Here's a look at working as an HVAC
technician and how to train for this career. Things You Learn With HVAC Training The skills you
learn depend on the type of training you take. Shorter training courses often focus on a single area of
HVAC maintenance while longer courses teach you how to work on a broad range of equipment.
You could learn about boilers, furnaces, central air conditioners, and heat pumps. An HVAC
technician often deals with the basic electrical and plumbing work too, and you may learn about
pipe fitting, welding, and working with sheet metal. You'll learn how to read blueprints and learn
about building codes. You'll learn safety requirements for ventilation systems and handling
refrigerant. The goal of a good HVAC training program is to prepare you for certifications that prove
you're trained and competent in various areas so you're a good candidate for employment. ... Show
more content on Helpwriting.net ...
You're not stuck in a cubicle all day. You travel to homes to do routine maintenance on HVAC
systems so you always work in different surroundings. You might also work in a school, office
building, church, or factory. Any place that has heating or air conditioning is in need of an HVAC
technician occasionally. When you graduate from a trade school, you'll be ready for employment by
an HVAC services company. You may work toward the goal of having your own company once
you've gained enough experience, but to start, you'll probably work for a company and be a mobile

Argumentative Essay On Energy
Energy is not free! Our homes contain many, many systems that need energy. These systems come
with tons of costs that we may now have become used to. Energy has been costing us so much
money that we may not even notice it anymore. "Every year, much of the energy the U.S. consumes
is wasted through transmission, heat loss and inefficient technology –– costing American families"
(U.S. Department of Energy). We have heating systems, cooling systems, water heating systems,
appliances, and machines that all use the energy that costs us so much. It doesn't have to be that
way; if we learned to use our energy sources and their systems more efficiently we could save
ourselves tons of money. We have heating systems that cost us. These heating systems are designed
to heat our entire house. In many homes like mine we use heating systems powered by natural gas.
Other homes may have heating systems that run off of energy sources like wood, oil, sunlight,
electricity, or propane. The most common used sources of energy for heating systems include natural
gas and electricity. Systems that use natural gas or electricity to carry out their jobs include electric
resistance heating, furnaces, and boilers. These systems use the electricity or natural gas we provide
them with every time they are in use. Because all of these systems use energy there is room to save,
we can make sure that we use them only when we need to and are keeping them up to date with the
latest energy saving

Thermal Solar Energy Lab Report
The results of this simulation are displayed in Fig. 4, where injected and extracted heat per length
((q) ̇/L) pulses were simulated for 300 months. A charging time of 19 months is needed to charge the
ground by thermal solar energy in order to achieve the desired design temperature. In the figure, this
19–month period begins in June and ends in January. When the system is actively supplying thermal
energy to the building, the temperature rises in the summer months to a peak of about 80 C and falls
in the winter months to a low of about 67 C. The yearly average is about 71.5 C.
Figure 4 Monthly BTES temperatures over the project lifetime
During this charging time, the existing water heater and heat pumps will be used to satisfy ... Show
Also, some savings are achieved by using more efficient cooling technology to reduce grid
purchases. The retrofit therefore reduces the total energy purchased from the grid, but it also
modifies the hourly electrical demand profile. Both pieces of information are required to compute
the savings, because it is assumed that the grid pricing is demand–sensitive, such that the price per
kWh each month is a function of the load factor for that month. Load factor is defined on a monthly
basis as the ratio of the average power consumption for the month divided by the peak hourly power
consumption. The load factor measures the consistency of the demand over time, with high load
factors indicating a more consistent demand that is less costly for the utility to provide. The monthly
per kWh grid price is therefore inversely related to load factor.
To determine how the building retrofit would modify the grid electrical demand, the original
aggregate hourly demand is split, as was previously described, into heating, hot water, cooling, and
baseline plug load profiles. The cooling profile is scaled by 80% to estimate the electrical load for
the more

Microfridge
A
Report on
"Microfridge: The Concept
Introduction:
Robert Bennett, a 31 year old Master in Engineering, decided to quit his job and start a business
with his new concept of the "Microfridge". This was a design that incorporated a refrigerator, freezer
and microwave into a single compact unit. He created a new electronic circuit in which the
refrigerator shut down while the microwave operated and vice–versa.
Analysing the Microfridge:
This 3–in–1 device consumed only 10 amps as opposed to the usual 20 amps while using a
refrigerator and microwave simultaneously. This generated less heat and reduced the risk of fire. It
was a compact device that occupied less space which was ideal for smaller rooms such as student
dorms and motel ... Show more content on Helpwriting.net ...
Assuming an average of 200 students per college and a conversion rate of 50%, Bennett would need
to target 120 colleges in a year.
Recommendation and Plan of Action:
To increase the customer perceived value of the product, the idea of partnering with Sanyo and using
their brand name to promote the Microfridge could be explored. This would also help to tap in the
market already available to Sanyo. As Sanyo is an older and more recognized brand, it would create
trust and generate a greater brand following and value.
Considering the potential competition the Microfridge may face, a comprehensive promotion
strategy needs to be developed keeping the individual targets in mind. While the eagerness of the
students to adopt the Microfridge can be leveraged to convince the administration to provide
Microfridge as an amenity, various other promotion strategies can be considered. Bennett should
send out sales persons to colleges and arrange meetings with the administration to create awareness
of the Microfridge and its demand amongst the students. As the primary concern of the
administration was fire safety in student dormitories, the fact that 90% of the students violate these
norms by using hot plates needs to be highlighted. Then the fact that the Microfridge would reduce
these risks can be brought home.
A public relations program can be initiated where the Microfridge can be reviewed by the press.
Publishing pamphlets and articles through the print media

Unisa Building Construction
The UniSA's School of Law is a heritage building with important historical value. It was built in
1940–41 for the administrative headquarters of the South Australian Brewing Company. In 1956,
extensions were added to the original building. The Georgian style of the building, was designed by
the architect F Kenneth Milne, who chose clay brick masonry as the material for the structure
(Adelaide City Heritage 2015). Through the years, the building has been exposed to an earthquake
in 1954 (Sinadinovski, Greenhalgh & Love 2006), wind loads, humidity, temperature variations,
internal loads and other forces. All these factors have an impact on the structure and it has led the
building to several small structural damages. The aim of this paper is to research and study the
structural behavior of clay brick masonry and analyse the damages on the UniSA Law building. This
will lead to an understanding of what factors led to the failures and propose an approach of how it
can be fixed. 2. Description of the building I have started this paragraph but am not sure if im
talking too much about the damages but ill ... Show more content on Helpwriting.net ...
Wind, rain and small quakes that Adelaide has experienced since being built has had an effect on the
building.The wind and rain has caused wear and tear over long periods of time with rain seeping
into the brickwork. Earthquakes have also affected the Law building even though they have rarely
occurred in Adelaide. These effects on the building depend on the magnitude of the earthquake. The
biggest earthquake that the building has experienced happened in 1954 which was recorded to be 5.6
on the Richter scale. This had an effect on all parts of the building, both internal and external. These
were from the foundations of the building to the roof, damaging the materials used in the
construction and displacing

Scheduling AC Repair In The Winter
AC Blowing Warm Air
Scheduling AC Repair in the Winter – Why it's Wise
Although cooler temperatures mean you probably won't use your air conditioner, when the AC is
blowing warm there is good reason to go ahead and schedule repair with a Garland Heating and Air
Conditioning HVAC technician. First, if your AC happens to be a package heat pump and the unit is
not functioning properly, the heat function is likely to also be experiencing problems. A heat pump
utilizes the same components to produce heat as it does to provide air conditioning. A component
called a reversing value reverses the flow of the refrigerant gas to change between the AC and heat.
Therefore, if the AC is not properly working, neither will the heat, and vice versa.
Next, ... Show more content on Helpwriting.net ...
The air filter is located in this area, and helps to protect the evaporator coil from damaging debris
and soiling. The coil will eventually require cleaning, although the routine changing of the air filter
will reduce the frequency. A dirty coil can cause reduced performance, and the AC blowing warm
air.
Refrigerant Leak
A refrigerant leak is a top cause of the AC blowing warm air. The repair of a leak can only be
provided by a qualified HVAC technician. The signs of low refrigerant can include:
The refrigerant line is frosted over
The sound of bubbling or a hissing noise
The AC blowing warm air
The AC is a closed system and as long as there is not a leak, additional refrigerant is not required. A
refrigerant leak can lead to costly damage to the system. Schedule an AC repair in Dallas right away.
Garland Heating and Air Conditioning NATE certified technicians have the expertise to provide a
wide range of reliable HVAC services. If your AC is blowing warm air, give us a call. We serve
Dallas, Plano and the surrounding areas, and are a member of the BBB with an A+

Persuasive Essay On How To Keep It Cool During A Hot Winter
Keeping it Cool during a Hot Perth Summer
Without a doubt, if you have lived in Perth during the summer months, you already know how hot,
humid, wet, and uncomfortable the summer season can be. Being able to keep the heat and moisture
out of your home is a matter of prior planning. Here are some great tips on how to keep your home
cool without using lots of electricity.
The Windows
1. Having tall plants or trees that shade the outside of your home helps to keep the heat away from
entering through your windows.
2. Shading your windows from the outside helps to prevent nearly 75 percent of the solar heat from
reaching the windows. This can easily be done with awnings, overhanging eaves, up and down
rolling shutters, bamboo shades, and self–applying reflective film.
3. Whether you have curtains or window blinds, keep them closing during the daylight hours,
especially during the peak heat generating hours of 3 to 6 PM. Light colored curtains are more
effective than darker colored ones. White blinds are effective in reflecting sunlight, and in keeping
solar heat away from the interior rooms cool.
4. Install UV Ray and Sunlight reflective window panes. This not only keeps the humidity and heat
out of your home, it will also reduce your dependence on your air conditioner.
5. Try to keep your windows closed at all times. However, it is totally fine to open your windows, if
you have screen covers, during the evenings if you live in an area that is significantly cooler

Geothermal Energy from the Earth
Geothermal energy
Energy from the Earth What could be more natural or plentiful? The source of geothermal power is
the heat contained inside the Earth; heat so intense that it creates molten magma. There are a few
different types of geothermal energy that can be tapped. "Some geothermal systems are formed
when hot magma near the surface (1,500 to 10,000 meters deep) directly heats groundwater." The
heat generated from these hot spots flows outward toward the surface, manifesting as volcanoes,
geysers, and hot springs . Naturally–occurring hot water and steam can be tapped by energy
conversion technology to generate electricity or to produce hot water for direct use. "Other
geothermal systems are formed even when no magma is nearby as magma heats rocks which in turn
heat deeply–circulating groundwater." In order to maximize the energy gleaned from these so–called
"hot dry rocks," geothermal facilities will often fracture the hot rocks and pump water into and from
them in order to use the heated water to generate electricity.
The concentration of geothermal energy at any given location must be quite high in order to make
heat extraction feasible, and not all geothermal sites are created equally. Regions that have well–
developed geothermal systems are located in geologically active areas. These regions have
continuous, concentrated heat flow to the surface. The western United States has the best geothermal
regions in the country, while Iceland , New Zealand , the Philippines ,

Renewable Resources Disadvantages
Renewable resources are resources that have the ability to be used in infinite amounts because it is
recovered naturally. Renewable resources are important to the survival of the world since it comes
with positive outcomes and there is an infinite amount. An infinite amount of something and being
repreoduced naturally means that it gives individuals something that this world has created for them.
There are many different renewable resources, which include solar power, wind, geothermal energy,
tidal power, and more. The number one renewable resource that has stood out is geothermal energy.
This energy deals with heat and it is being stored naturally from earth itself. This renewable resource
has many advantages and as with everything there also comes disadvantages. It will be shown that
the advantages of this renewable resource benefits earth rather then its disadvantages. Geothermal
energy is a renewable resource whose heat generates energy to be used. Heat and energy go one in
one with each other. Energy is the capability to do something. Energy comes in many different
forms such as mechanical, chemical, nuclear, light, and more. Energy most importantly comes in the
form of having heat energy. This energy is created because energy goes through many different
phases to get its final reason to be used. An example of this is flashlights or lightening in homes.
The uniqueness of geothermal energy is how its final product has come to be, where it comes from,
and why it is so

Air Conditioning Changes
In 1900 there was very little people could do during a hot spell except grumble about the weather or
–if they could afford it –go away to the mountains or the seashore. Today air conditioning has
changed this. With air conditioning has changed this. With air conditioning you can be comfortable
anywhere indoors on even the hottest, stickiest day of the year. You will almost certainly find air
conditioning in the movie theaters you attend, in many of the stores where your family shops, and in
the restaurants where you eat. It may even be in your own home.
What is air conditioning?
You know that air conditioning makes you feel cool. But air conditioning is more than just cooling.
It means keeping the temperature and humidity (moisture content) ... Show more content on
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Otherwise people would have to turn their units off and on continually as the temperature become
too cold or hot. A steady temperature–regulating device called thermostat. The thermostat is set at
desired temperature. It then switches the cooling unit on and off as needed.
The air conditioning systems of the future may work by what is known as thermoelectric. A
thermoelectric unit is very small and very quiet. It is made up of tiny "couples," each couple
consisting of a pair of semiconductors and connected in parallel current. These couples produce
cooling at one end and heating at other when direct flows through them. This is called Peatier effect.
When the current is reversed, the cooling and heating effects also reverse. When a way is found to
produce this tiny thermoelectric unit cheaply, they may cool and heat your whole house.
Article Source:

Maintenance Tips Of Air Conditioning And Air Maintenance
Maintenance Tips?
Dirty filters will cause your equipment heating and air conditioning work harder than it should. This
results in energy waste and even possible internal damage to the unit. Become familiar with the type
of filter your system requires. If you have a washable filter that is reusable, make sure it is
completely dry before replacing.
Periodically, place your thermostat on HEAT and move the temperature setting above room
temperature. Listen for any unusual sounds. Contact us if you believe there may be a potential
problem.
All of the return registers/ grilles should be kept free of obstructions such as furniture, dirt and
debris. This will hinder proper air flow.
Improving indoor air quality starts with cleaning your ... Show more content on Helpwriting.net ...
We offer free second opinions.
We recommend HVAC maintenance be performed in Rancho Santa Margarita every six months to
prolong the life of your air conditioning system, keep the air that is circulating free from harmful
bacteria, prevent electrical fires, and save you money on your electric bills.
If your air conditioning, heating system is making strange noises or running at a turtle's pace, or not
at all, you need professional Air Conditioning and heating repair...and you need it now!
We sell, install, repair, and maintain all brands and types of commercial heating and cooling
systems, including air conditioners, furnaces, heat pumps, and thermostats. We also offer duct
replacement and repair services.
Interested in service in Rancho Santa Margarita? Call Sunset Heating & Cooling at (949) 302–3473
Whether an Air Conditioning component needs repair or replacement, air ducts need sealing, or even
a new air conditioning system , we will determine the source of the problem and provide you with
an expert HVAC solution.
Sunset Heating & cooling we treat you and your property with respect, too, by calling before we
arrive at your property and by providing an honest upfront free estimate that you approve before any
Air Conditioner or heater work is performed.
In Sunset Heating & cooling we service any type of home and light commercial air conditioner and
heating system, including all Air Conditioning and heating (including heat pump) heater equipment

Hvc Contractors Essay
In an effort to totally appreciate why you may have a need for HVAC contractors, there are certain
points you should understand. Most important to all these details are the varieties of services these
technicians offer. It is likewise important for you to understand somewhat on how to find the best
service providers and how they charge for their furnace or AC assistance and solutions. All these
will figure in any time you opt to get the expert services of a professional.
Solutions of HVAC Contractors
Installation or fixing HVAC systems is not always a simple task given that there are certain methods
that must be undertaken so as to guarantee right functioning of the said units. Except if a certified
professional attends to the ... Show more content on Helpwriting.net ...
Going online to research technicians in your area is a time–saving way to locate one. There are a
few online review web pages which can be of good help in your investigation for high–quality
HVAC contractors. A company's own internet site could also provide you with the info you require
in order to make the selection whether to get hold of their services or not.
Another thing you can do in order to get the most reliable HVAC technicians is to talk with people
who may have information and facts regarding HVAC. If for instance you head out to see a buddy
and notice that he or she has an extremely good heating and cooling system in the home, just inquire
regarding the service providers that mounted the system. His particular encounter with the providers
will work as a beneficial guide for you.
Another option is to personally check out the workplaces of HVAC companies. As soon as you see
an HVAC area, simply walk in and talk to a representative who will then give you even more facts
into how they operate and the solutions they can provide. Once you have had an interaction with an
agent, you can determine whether the providers are good or not.
Things that Affect the Price Tag of Furnace and AC Services
There are several elements which ascertain the pricing that an HVAC contractor will charge. Below
are a number

Heat Pump Lab Essay
MECHANICAL ENGINEERING 449 SENIOR LAB
Test of a Heat Pump
Submitted
Submitted by:
Submitted to:
Executive Summary:
The purpose of this experiment was to determine the performance values of a Hylton Air and Water
Heat Pump System. The system uses refrigerant 134a and water as the working fluids. The power
input of the system was measured. The rate of heat output and the coefficient of performance are to
be determined. A sketch of the vapor–compression cycle on a pressure–enthalpy diagram is also to
be presented.
In order to perform this analysis the temperatures at the inlet and outlet of the condenser and
evaporator were measured for ... Show more content on Helpwriting.net ...
The energy balances are to be verified over the condenser and evaporator. The efficiency of the
compressor is to be determined. Lastly, an energy balance of the compressor is to be performed.
Apparatus:
Figure 1 depicts the cycle used in this experiment and its individual control volumes. The system
uses water and refrigerant 134–a as the working fluids. The cycle operates between two different
pressures, the high pressure of the condenser and the low pressure of the evaporator. The condenser
is used to remove sufficient energy from the refrigerant to transform it completely into liquid. The
evaporator is used to vaporize the refrigerant by adding energy supplied by the warm water. The
throttling valve serves the purpose of reducing the pressure of the refrigerant resulting in isenthalpic
expansion. The compressor supplies energy to the refrigerant, and under ideal conditions works in a
quasistatic adiabatic manner.
Figure 1: Schematic of Heat Pump Cycle

Figure 2 depicts the Hylton Air and Water Heat Pump Systems used for this experiment. Viewing
Figure 2, the incoming cold water splits into two separate lines. One line heads towards the
evaporator and the other line heads towards the condenser. The flow rate of each line is measured as
seen right after t5 for the condenser and t8 for the evaporator. The water line heading to the
condenser is first routed through the compressor for

Renewable Energy : Geothermal Energy
Geothermal Energy Concern over the end of nonrenewable resources has increasingly grown in the
population over the recent decades. Hydrocarbons, specifically oil and gas, are being depleted
rapidly. According to imeche.org, only 1.3 trillion barrels of attainable oil remain. At the current
rates of consumption, that equivocates to around 2055 when oil should just about be depleted.
(imeche.org, 2014) Recent advances in oilfield technology continue to push back the date of
annihilation of these resources, but eventually there will be some point in time in which our oil and
gas reserves become extinct. At whatever time that happens, society must be prepared to use
alternatives methods to reach our energy demands. Because of this inevitable ... Show more content
on Helpwriting.net ...
His generator was a simple model that was able to power a mere four light bulbs. Nine years later in
1913, the first commercial dry steam geothermal power plant was built in the Valle del Diavolo.
Harnessing Geothermal Energy
Geothermal energy is the thermal energy stored in the Earth that is 20% due to the formation of the
Earth and 80% due to decaying radioactive materials. This thermal energy radiates off of the rocks
in the core, mantle, and lower crust and takes the form of heat. In fact, "the amount of heat within
10,000 meters of Earth 's surface contains 50,000 times more energy than all the oil and natural gas
resources in the world." The water underneath the crust can reach temperatures of around 200°C.
This heat excites the water molecules trapped beneath the surface and causes them to move faster
and spread farther apart, which is another way of saying that the water is evaporated. There are also
pathways through the rock that allow this superheated steam and sometimes water (geysers) to rise
up from under the crust and escape to the surface. The steam is a source of energy that costs nothing
to find, and the only difficulty is figuring out an efficient method of extracting that energy.
Dry/Flash Steam Power Plants
Modern day dry steam geothermal power plants utilize drilling technology and injection/production
wells in comparison to the older system of using only the steam

Geothermal Energy Essay
Geothermal Energy In today's world, we are stuck in a constant debate about efficient energy usage
and production. Many have gone to alternative fuel sources do to the rising cost of fossil fuels and
the environmental damage caused by the burning of fossil fuels. One option that goes largely
unexplored is geothermal energy. Geothermal energy is not only a much more environmentally–
friendly power source than fossil fuels, but the cost of installation is not significantly more
expensive than the installation of a new "High Efficiency" conventional heating system. The focus
of this inquiry will be upon single–household use, however it will also delve into geothermal energy
on an industrial scale. The first question any reasonable homeowner ... Show more content on
Helpwriting.net ...
After this point you will continue to save the $2617 per year. Based on Jay Egg's professional
calculations, you will save $31,855 over the course of 15 years over installing a new "High
Efficiency" conventional system, and $9,885 without factoring the cost of a new high efficiency
system. Another question homeowners generally ask is: Where do these costs come from? The
majority of the costs of installing a closed loop subsoil geothermal system in your household come
from the cost of drilling the bore holes and running the piping. Costs, which while not factored in to
the above equation, may be reduced due to your specific location (Next to a large body of water,
likely meaning the presence of an aquifer beneath the Earth below your house.) In your home,
depending upon the presence of an aquifer or the ability to place piping into the lake, you may opt
instead to use an open or closed loop system that runs either through the lake in pipes (closed loop)
or into and out of an underground aquifer through two pipes, using free standing water as the heat
exchange medium (open–loop system). The costs of these systems are typically less

Input-Output Pairing and Disturbance Rejection of a...
Distillation is the main separation method in chemical process industries. This process involves low
thermodynamic efficiency and high energy demand due to the heat that is added in the bottom
reboiler and thrown away in the top condenser. For this reason, to improve energy–efficient
distillation systems, heat integration concept was first proposed by Brugma [1], Wright [2], Petlyuk
et al.[3] and Freshwater [4,5] almost 70 years ago. Nakaiwa et al. [6] has recently discussed these
systems in an excellent review. In another review, Amiya [7] introduced many other heat integration
schemes which have been developed so far in depth.
Heat pump systems can be used to upgrade heat from a lower quality energy source in the condenser
to a higher quality energy source in the reboiler. Heat pump–assisted distillation column was first
introduced in the mid–1970s [8]. Previously, a number of studies on heat pump–assisted distillation
have been reported in the literature. Omideyi et al. [9] developed a quick selection method for vapor
compression (VC) heat pump assisted distillation columns. Fonyo and Mizsey [10] simplified the
method and included vapor recompression as well as absorption heat pump scheme. Kiss et al. [11]
developed selection scheme of energy efficient technologies for binary distillation. Van de bor et al.
[12] presented a quick performance map and made selection simpler and more suitable.
The most popular heat pump systems are the mechanical ones. In these heat pumps,

Samsung: Client And Products
Client and product
Samsung is an electronic company, that is specially designed for digital appliances. The company
provides some Samsung home appliances like televisions, refrigerators, washing machines,
microwaves and air conditioners to their customers. This was founded with the belief that any
family can have a high–quality appliance in their homes or for their own personal use. Samsung was
founded "by Byung–Chull Lee in 1938 in Taegu, Korea the company started as a food exporter in
Korea" (Kovach). In 1970s Samsung started selling their first black and white TV and in 1979
Samsung Electronics came out, also Samsung is made up of over 80 businesses that have worked in
different markets and Samsung Electronics have operated in over 60 countries. You ... Show more
content on Helpwriting.net ...
Samsung Family hub started selling for $5,799 in Samsung website, but now it has decreased the
price it's for $3,497.40 for 27.9 cu in Home Depot.
Target Audience
The Samsung target audience is for a very wide range of consumers ranging from normal day to a
day using devices to industrial standard appliances, but the target age group of customers from the
30s or even older, as long the person or the married couple has the ability to purchase a Samsung
product that is on the market for sale. For married couples that is upper class that has at least a child
and usually have a busy scheduled because they work hard and an income of $75,000 with their own
property.
Product Benefits
Samsung Family benefits are that the fridge has a class–leading cooling performance, internal fridge
cameras, stunning 21.5in touch–screen. Also, it can capture images even if the door is close and
"You can even link the Family Hub refrigerator to online grocery shopping and recipe application".

The Effects Of Air Conditioning On The United States
Is the United States addicted to air conditioning? The use of air conditioning within the United
States is higher than any other country As Badger has noted: "We love our air conditioning in the
U.S. The amenity is more common in American homes – 87 percent of us have either central air or
window units". This has resulted in Americans becoming addicted to air conditioning. Addiction can
be caused from always being around cooled homes, offices and cars. People start to get used to
feeling the cool temperatures instead of the hot weather. Before Americans realize it, living without
air conditioning becomes harder. Europeans do not use as much air conditioning; instead, they
decide to tough it out and deal with the hotter weather. This is important because as the world's
energy is not 100% environmentally friendly, pollution will increase from the higher demand for
energy. As the damage to the environment continues it could get to a point where the damage can be
irreversible. Mainly the damage is being done to the protective ozone layer in the atmosphere. The
ozone layer helps the earth block harmful ultraviolet rays, which can cause temperature rise and skin
cancer to humans. Americans should decrease the use of air conditioning because greener methods
for cooling are possible; the cool culture can be reversed, and adapting building regulations will help
cool buildings differently.
The cool culture of the United States is one that resulted from people getting used to air

Building A Sustainable Green Hotel
In recent years, environmental issues are being a fundamental topic around the world as the public
have been aware of the risks to our planet because of the harmful human being, such as
deforestation, over–consumption of energy, different kinds of pollution, over–construction, which
are incurring serious climate change and global warming. The replacement on the Millenium
Development Goals to 17 sustainable development goals also alerted people to concern about how
to make a better environment in a sustainable way under a high density urban city, where there are
constructions contributed to this community. Especially in hotel industry, a surge of travelers leaded
to the increase of hotel, which required plenty of land, energy and resources to achieve this huge
demand. However, there are several factors we need to consider before the launch of the project,
which are how to design a sustainable green hotel with a long term vision instead of becoming a
'stranded asset' in the future. So, in the following is my location and design of my hotel, considering
environmental factors and integrating five sustainable development principles in my concept.
My hotel will launch a long term vision called 'Love the Earth' which is related to green
management topic. It is committed to lead our hotel into a new stage towards sustainability
development so as to provide a better world for our generation in the future. With this mutual
commitment as for the companies and individuals, we would

Physics : Heat Pump Trainer
College of Engineering
Swansea University
HEAT PUMP TRAINER
Report and Summary Written By:
Ayman mcgarry 836165
Maytham Sarkhouh 687951
Date of Experiment: 26th April 2016
Date of Report: 2nd May 2016 Summary
Table of Contents Page
Summary 2
Table of Contents 3
List of Figures 4
List of Tables 5
1.0 Introduction 6 1.1 Aims 6
2.0 Theory 7
3.0 Materials and Methods 10
4.0 Results 13
4.1 Data Collection for Experiment 1
4.1.1 Error Calculations
4.1.2 Determining Enthalpy
4.1 Data Collection for Experiment 1
4.1.1 Error Calculations
4.1.2 Determining Enthalpy
5.0 Discussion 19
6.0 Conclusions List of Figures
Figure No. Title

2.1 A graphical representation of a carnot heat cycle
3.1
Diagram of the heat pump trainer used
4.1 P–H diagram to determine enthalpy values for 1 fan
4.2
4.3
4.4
4.5
4.6
4.7 P–H diagram to determine enthalpy values for 2 fans
Temperature against control panel readings for experiment 1
Temperature against control panel readings for experiment 2
Power consumption against temperature difference
Actual COP against temperature difference
Heat delivered against temperature difference
List of Tables
Table No. Title 3.1 Equipment List
3.2
4.1
4.2
4.3
4.4
4.5

4.6 Parameters Measured
Experimental data for

Renewable Energy: A New Direction Essay
Abstract: Can the Quapaw Tribe Benefit from Renewable Resources? The National Renewable
Energy Laboratory (NREL) finds low potential for wind and photovoltaic energy, with favorable
potential for geothermal. While this is limiting in terms of options which are currently available it is
also good for the Quapaw tribe as this means that there is an option available to the tribe. This
entails that implantation of geothermal energy can be achieved successfully to mitigate energy cost.
Introduction: "Up to ninety cents of every dollar the Tribes spend on energy leaves immediately–
lost forever to all of the economic leverage and benefits this money could create within tribal
communities." –intertribalcoup.org
Can the Quapaw Tribe Benefit from ... Show more content on Helpwriting.net ...
The Quapaw tribal jurisdictional area is approximately 21 square miles. The Tribe operates a
museum, counseling services center, childcare learning centers, a convenience store, The
Downstream Casino and Resort, the Quapaw Casino, a golf course as well as several governmental
entities such as the tribal administration, Environmental Protection Agency (EPA) and tribal
marshals, fire and emergency medical services.
Quapaw tribe energy use: to determine electricity use and the emissions created because of this use I
went through tribal utility bills and by using figures from the electricity company and other energy
figures I extrapolated the table below. The renewable resource energy potential for Quapaw lands
was determined using National Renewable Energy Lab (NREL) data. NREL is best described their
description of themselves; "The National Renewable Energy Laboratory (NREL) is the nation's
primary laboratory for renewable energy and energy efficiency research and development
(R&D).NREL's mission and strategy are focused on advancing the U.S. Department of Energy's and
our nation's energy goals. The laboratory's scientists and researchers support critical market
objectives to accelerate research from scientific innovations to market–viable alternative energy
solutions."
This is a NREL map of Oklahoma detailing wind energy. There is limited wind energy

Current Geothermal Frameworks
Geothermal
HVAC 2414
Anthony Kumpe
Regardless of what atmosphere you live in, the temperature during the time differs from where you
live and numerous factors. For a few, that implies bursting summers that chill with close solidifying
winters. Be that as it may, what the vast majority don't understand, the temperature subterranean
remains genuinely reliable year–round. Geothermal frameworks can utilize the ground to give your
home or office with focal warming and cooling. This paper will speedily clarify how geothermal
frameworks function, why you ought to change over your present framework, the historical
backdrop of geothermal frameworks, support, the distinctive sorts, and where/how it is at present
being utilized around the world. ... Show more content on Helpwriting.net ...
Students of history says that the principal utilization of geothermal vitality happened over 10,000
years back in North America. Individuals utilized water from hot springs for cooking, washing and
cleaning.The first modern utilize started close Pisa, Italy in late eighteenth century. Steam
originating from characteristic vents was utilized to remove boric corrosive from the hot pools that
are currently known as the Larderello fields.The first geothermal plant in USA began in 1922 with a
limit of 250 kilowatts. It delivered little yield. Nonetheless, because of specialized glitch must be
closed down. It was until 1946 first ground–source geothermal warmth pump introduced at
Commonwealth Building in Portland,

Essay On Godrej
Latest improvements in Godrej & Boyce Shifting to the online channel Godrej Appliances, which is
a key division of Godrej & Boyce Manufacturing Corporation is shifting to the online platform.
According to Executive Vice–President and Business Head, Kamal Nandi they are planning to offer
customised products on their e–commerce platform to customers. They are planning to start with a
pilot scheme to check the effectiveness of the plan and then launch it basing upon the effectiveness.
The pilot scheme is planned to be rolled out by April and the final launch has been scheduled at
June. There will be ample choices of colours and designs across various product segments which
will keep Godrej products at par with the global trends. This goes along their plans of doubling the
revenue from premium category products from 10 per cent to 20 per cent over the next year. It can
be inferred to be a strategic move to change the positioning from the mass–premium segment to the
premium segment. Godrej basically operates across two segments, one is the cooling products which
cover air conditioners and refrigerators and the other include house appliances like microwave
ovens and washing machines. Mr. Nandi stated that presently 1.5 per cent of the total turnover of the
division comes from online sales. The online sale is expected ... Show more content on
Helpwriting.net ...
2,100 Crore presently which is roughly 33 per cent of the total turnover of the company and it is
planning to scale a target of 2,700 Crore by the end of FY15. The main revenue generator for Godrej
Appliances is refrigerators which accounts to 60 per cent of total revenue, followed by air
conditioners with 18 per cent and washing machine accounting to 15 per cent of total revenue
generated. The company had been planning to set up a factory in South India either in Tamil Nadu
or Karnataka, but it is planned to come up after 2018. According to Mr. Nandi the current capacities
are sufficient for normal business till

Renewable Energy : Different Types Of Renewable Energy...
Types of Renewable Energy Sources
What is renewable energy?
Renewable energy is energy that is capable of being continuously replenished. These sources
include, wind, solar energy, water, geothermal energy, and biomass. It is only renewable energy if
the source cannot be exhausted. Renewable energies are being used to save nonrenewable sources
such as fossil fuels and trees. They are highly preferred by many people, simply because of their
little impact on the environment. Wind Power:
The first and one of the most common sources seen, is wind energy. Windmills have been widely
used in our entire world for hundreds of years now. Back then, windmills were used primarily for
grinding grain and pumping water. It gave farmers a constant power source no matter the time of
year, without having to do anything to keep the actions going. These windmills were effective for
their small–scale purpose, but had no potential to keep up with the high output ones of today. Most
were not taller than a twostory house. The wind turbines are the close relative that we see so often
today. They are more widely used in the western states rather than eastern. Most tower at 100 feet or
more above ground. They are composed of three giant blades attached to a shared center. A blade
acts much like an airplane wing.
When the wind blows, a pocket of low–pressure air forms on the downwind side of the blade. The
lowpressure air pocket then pulls the blade toward it, causing the rotor to turn. This is called

Advantages Of Thermoelectric Cooling
1 .INTRODUCTION
Thermoelectric cooling uses the Peltier effect to create a heat flux between the junctions of two
different types of materials. A Peltier cooler, heater, or thermoelectric heat pump is a solid–state
active heat pump which transfers heat from one side of the device to the other, with consumption of
electrical energy, depending on the direction of the current. Such an instrument is also called a
Peltier device, Peltier heat pump, solid state refrigerator, or thermoelectric cooler (TEC). It can be
used either for heating or for cooling, although in practice the main application is cooling. It can
also be used as a temperature controller that either heats or cools. This technology is far less
commonly applied to refrigeration than vapor–compression refrigeration is the primary advantages
of a Peltier cooler compared to a vapor–compression refrigerator are its lack of moving parts or
circulating liquid, very long life, invulnerability to leaks, small size and flexible shape. Its main
disadvantage is high cost and poor power efficiency. Many researchers and companies are ... Show
We have written the project function in terms of C language which is called software. Our software
will be downloaded in a microcontroller chip and then it will work accordingly our project logics.
On the base of logic written the MC will do all tasks like receiving the input signal and checking it
weather it is desired or not and then it will do the final action to control all outputs. Here the system
is automatic control based. We can monitor the temperature of peltier surface and control the device.
We can set the temperature as per requirement and control the load when desired temperature

Comparative Analysis Of Hitachi
INSTITUTE FOR TECHNOLOGY AND MANAGEMENT PGDM– INTERNATIONAL
BUSINESS BATCH 2014–2016 SIP PROJECT REPORT ON COMPARATIVE ANALYSIS
BETWEEN HITACHI , DAIKIN AND O'GENERAL AIR CONDITIONER WITH RESPECT TO
PRICING AND PROMOTION. SUBMITTED BY GUTHI VASUDHA YASASVI (PGDMIB–003)
SUBMITTED TO PROF. LAKSHMI MOHAN Institute for Technology and Management 11/D14,
SIPCOT I.T Park, Rajiv Gandhi Salai, OMR, Chennai–603103 ABSTRACT TITLE: – Comparative
analysis between Hitachi, Daikin and O'General with respect to pricing and promotion Hitachi has
changed the mindset of the consumers for buying air conditioners. Hitachi has maintained that
individuality and lengthen over a period of successful achievement. Therefore, the mode of this
study ... Show more content on Helpwriting.net ...
Sales can be defined as follows the total amount of a money that a business receives from selling
goods and services. Methods of sales are explained below  Direct Sales – Direct Selling is the
process in which the goods and services are directly sold to the customer. Modern days direct sales
happens on the basis of the party plan, one to one presentation.  Agency Based Sales – These sales
are in the form of professional agents which have a tie up with the company so that their products
can be marketed to the consumer. There are few agent based sales persons like sales outsourcing ,
sales consultants ,tele sales , retail sales and many more. Techniques of sales There are various
techniques involved in the sales of the durable products are as follows *Consultative Selling – This
sales technique is one where the sales representative will explain the value added benefits which
means the customer will get to know about the brand and it's product specifications with benefits
and services availed to it. When the consultative selling is dealt successfully it yields the proper
information about the respective buyer which makes it easy for the sales person to proceed further
explanation about the product's benefits for those wants and

My First Day As A Server At Cafe Mac
Shoveling before Winter
I swiped my card at the information desk and walked in optimistic and excited for my first day as a
server at Café Mac. Little did I know how much of my design–OCD my job would trigger. After an
infinite three hours of standing, greeting and serving people I was asked to shovel heaps of ice, and
winter hadn 't even started yet! The last hour of my shift at the café involved me shoveling ice out of
refrigerator deli cases, reeling the ice to the back of the kitchen, using all my might to dump heavy
baskets of ice into the sink and then the best part: running hot water over the ice for over fifteen
minutes to melt the ice. This was the first time I had seen water being used to melt ice. Coming from
a country with a huge water scarcity problem, I could not accept that I had to waste such large
quantities of water on my job. So I did the next best thing I could think of, I talked to my adviser
and checked if there was any way we could carry out this process while wasting lesser amounts of
water and I was shut down with the reply "please do the work you have been assigned". Another
struggle I faced was that when I put the ice into the sink, I noticed that most of the food that fell on
the ice, clogged the sink. This was too cumbersome a job that wasted too much water and something
had to be done about it.
As I have highlighted above, the object I think that has both ethical has well as design related
problems would be that of the salad bar deli cases

Disadvantages Of Geothermal Energy
Introduction
Over the past several years the realization of a limited amount of renewable resources has pushed
for a more environmentally friendly form of utilities. This realization has shifted the mindset of the
consumer to prefer a more green and economical utility free home using sustainable energy sources.
The scientists at Whole Life Energy are analyzing the use of geothermal energy to meet the
requirements of our consumers and environment. This report covers what geothermal energy is,
different types of geothermal energy, and geothermal energy advantages.
What is Geothermal Energy
Geothermal energy is the routing of liquid filled tubing underneath the Earth's surface to absorb
heat. A small pump is used to circulate the liquid, so the heat can be extracted in the home or
business. "The earth absorbs and stores about half the suns energy. Due to this massive absorption,
the earth maintains a fairly constant temperature of 45–70 degrees Fahrenheit at a depth of 6 feet"
(Rinkesh, 2017). This constant temperature will allow our company to tap into a never–ending
supply of heat production. Depending on the size of facility needing heating will determine the
depth of the tubing required to draw the appropriate energy. The EPA states, "farther below the
surface, the temperature increases at an average rate of approximately 1°F for every 70 feet in
depth" (Renewable Heating and Cooling, 2016). This flexibility allows us the ability to customize
the conditioning

Advantages And Disadvantages Of Heat Pump
The above diagrams illustrates how easy it is to utilise the key components but to reverse the
process i.e. to pump heat out rather than in, thus becoming an 'air conditioning' unit (more correctly
called a cooling unit).
All the main components remain same with just the flow reversed (via the 4 way reversing valves)
and some additional minor components (e.g. check valves and specific expansion valve).
Simultaneous heating and cooling
The Heat Pump can be designed and configured as a multi mode machine.
 To generate only hot water from ambient air
 To simultaneously generate hot water and cooling energy.
 To generate only cooling for comfort
Hotels and hospitals continuously need air–conditioning, and therefore on a multimode ... Show
Water–to–Water (W–W).
Water–to–Air (W–A).
Water Source (iii. & iv.) can be further subdivided:
a. Closed Loop: this is the most common form of "Ground source" system when buried.
b. Open Loop: much less common than closed loop ground source (e.g. ground Aquifer; open lake,
river or sea).
This sort of unit designation would lead to better description and slightly less confusion. It also
highlights that the key difference between water source heat pumps which work on closed and open
loops in the ground is the temperature they work at rather than the medium itself (which is the same
– water).
3 Based on Motive / generating power input.
Heat pumps are also sometimes designated by the fuel source used to drive the process which is
most usually electricity (>95%), less commonly natural gas and much less commonly LPG.
4. Based on Operating Temperature
For heat pumps generating hot water in their condensers (i.e. Air– or Water– to Water units) another
sub description is the flow temperature capability.
BS EN 14511–2011 "high temperature" heat pumps they are often referred to Very High
Temperature i.e. >65°C.
For heat pumps producing warm air the temperature should not drop below 38°C to prevent risk of

Why Geothermal Energy Is Good For The Environment And The...
Why is Geothermal Energy Beneficial?
Com 217: Science Writing and Presentation
Purdue University
November 3, 2014
Why is Geothermal Energy Beneficial?
Volcanoes are wondrous formations on the earth. Humans are fascinated by them but are often very
cautious about volcanoes. They see them as explosive, lava spewing mountains often causing natural
disasters. These are just some of the effects of a volcano but plus side to it is that its energy can be
harnessed. Energy that can be used from a volcano is Geothermal Energy. It is a clean, renewable
energy which uses the steam produced from vents and hot springs near volcanoes. In this paper I am
going to prove why Geothermal Energy is good for the environment and the society. Firstly I am
going to discuss what geothermal energy is. Secondly, I will discuss the benefits of geothermal
energy to the environment. Thirdly I am going to show how geothermal energy is beneficial to the
society around its source. Lastly I will compare geothermal energy to other energy sources and show
why geothermal energy is the way to go.
What is Geothermal Energy?
The earth stores thermal energy within itself, this energy is then projected to the surface of the earth.
This is then released through vents that are close to volcanic systems or other tectonically active
areas. These could be steam vents, mud pots and hot springs. The temperatures used to reach up to
100 degrees centigrade. This is the most conventional

Hvac Technician Research Paper
How to Choose the Right HVAC Technician
There is nothing more annoying than waking up to find your air conditioner has malfunctioned.
Knowing who to call at this point is important. With so many contractors floating around the
business these days, it can be difficult to settle on a particular HVAC. However, these tips will help
you choose a technician well versed in plumbing repair, who will ensure that the job is done
correctly.
Experience
While you don't need to hire any old technician you can find, you may consider choosing one with a
wealth of experience. Most contractors usually gain their experience in plumbing repair from
apprenticeships that allow them to work alongside an experienced technician. Always ensure that
you hire a technician

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