BarCamp Singapore 5 - Smart Green Buildlings

SMART GREEN BUILDINGS
CLAYTON MILLER

What is a “Green” building?
How do buildings use energy?
What is a “Smart” building and how can that save energy?

For me: “Green Building”=
Highest
Performance
+
Lowest
Resource
Consumption
and Environmental
Impact
Thermal
Spatial
Visual
Acoustic
Indoor Air Quality
Building Integrity
Energy
Water
Natural Resources
Pollution
Green House Gases
Money

World Energy
Source: http://www.eia.doe.gov

World Energy Outlook 2009 Report
“End-Use efficiency is the largest contributor to CO2 emissions abatement in 2030, accounting for more than half of the total savings in the 450 Scenario, compared with the reference scenario”
Source: www.worldenergyoutlook.org/docs/weo2009/WEO2009_es_english.pdf

Building Energy Conservation as a Solution

Building Energy Impact - USA
Source: DOE Steven Chu’s Facebook Note: http://www.facebook.com/stevenchu
http://www.facebook.com/note.php?note_id=138532906856&ref=mf

Main Energy Use In Commercial Buildings
Climate Control 34%
Everything Else 27%
Water Heating/
Cooking/Refrigeration
13%
Lighting 26%
Source: DOE Secretery of Energy Stephen Chu Facebook Post and Building Energy Data Book

Building Energy Impact - DISCLAIMER
Building Energy Consumption IS HIGHLY dependent on many factors:
Climate
Localized Weather Effects
Shading
HVAC System Type
Schedule
Occupancy Fluctuations
Building Envelope
Occupant Activity Level
Space Use
Etc.

Southeast Asia Challenges – Climate
HEAT and HUMIDITY!!
Image Source: Southeast Asia countries, not only ASEAN , 10 October 2009, Derived from image:Location Malaysia ASEAN.svg by ASDFGHJhttp://en.wikipedia.org/wiki/File:Location_Southeast_Asia.svg
http://en.wikipedia.org/wiki/File:ClimateSingaporeSingapore.png

Building Energy Impact - Singapore
Source: Premas, Freddie Tan PhD – Towards Low Energy Office Buildings in Singapore
www.ctbp.bdg.nus.edu.sg/Low-energy%20buildings.pdf

New A/C Design Technologies
New types of Air Conditioning systems which are more appropriate for humid climates!
Single Coil, Twin Fan Air Conditioning System
Dedicated Outdoor Air Systems
Desiccant Heat Dehumidification Technologies
Natural Ventilation

Southeast Asia Challenges – Future Growth
According to 2009 World Energy Outlook:
Energy Infrastructure - $1.1 Trillion needs to be invested by 2030
ASEAN Primary Energy Demand forecasted to increase 76% between 2007 and 2030
Annual growth rate of 2.5%
Source: 2009 World Energy Outlook, International Energy Agency http://www.iea.org/
www.worldenergyoutlook.org/docs/weo2009/WEO2009_es_english.pdf

Southeast Asia Opportunities – Future Growth
The opportunity exists to grow in the RIGHT way using Building Energy Benchmark systems and Performance Requirements using CLIMATE specific technologies

Building Industry’s BIGGEST CHALLENGE = Performance Gap
Marketed/Designed vs. Actual Performance: “Do LEED-certified buildings save energy? Yes, but…”
On average, LEED buildings use 18–39% less energy per floor area than their conventional counterparts.
However, 28–35% of LEED buildings use more energy than their conventional counterparts.
Source: Do LEED-certified buildings save energy? Yes, but...; Newsham, G.R.; Mancini, S.; Birt, B. – Canadian Institute of Research in Construction www.nrc-cnrc.gc.ca/obj/irc/doc/pubs/nrcc51142.pdf

Performance Gap Solutions
Rated Buildings are mandated to maintain a performance requirement through monitoring
Buildings can detect, diagnose, and possibly “self-heal” system faults
Occupants are given the opportunity to control, monitor, and be educated about their indoor environment!

“Smart” Buildings
Interoperability of building information systems
Optimization of system set points using energy simulation
Demand Response Technologies and “smart grid” integration
Real Time Occupant Feedback

Building Systems Communications
Source: Richards Zeta/Cisco

DATA!!
Source: Richards Zeta/Cisco

Building Energy Simulation
Source: EnergyPlus, DOE

System Optimization
Source: Dan Karnes MS Thesis

Demand Control Strategies
SUPPLY – Smart Grid
DEMAND – Smart Building
“Smart Grid”
Source: Energy

Automated Fault Detection and Diagnostics
Proactive vs. Reactive Maintenance

Real Time Occupant Feedback

miller.clayton@gmail.com
www.buildopt.com

BarCamp Singapore 5 - Smart Green Buildlings

by cmiller8 on Mar 31, 2010

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