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Passive House
Tim Eian, TE Studio - Connect 2022, November 2, 2022
The Economic and Environmental Solution for Sustainable Real Estate
The Built
Environment
Much more than a
fi
nancial transaction
Buildings are mission-critical
infrastructure
We spend 90% of our time
indoors
Connect Conference 2022: Passive House -  Economic and Environmental Solution for Sustainable Real Estate
Buildings are often unreliable,
expensive, and they can make us sick.
Let’s imagine the
perfect building
How would you describe it?
Low energy and climate-neutral
Warm in the winter
Cool in the summer
Not drafty
Healthy and free from smoke,
soot, pollen, mold and bugs
Resilient in extreme weather
Quiet!
Peaceful
Affordable to build and operate
You can have
it all!
Passivhaus Kranichstein
First Passive House in the World,
Darmstadt, Germany - 1991
“A rigorous, voluntary building energy standard
focusing on highest energy ef
fi
ciency and quality of life
at low operating cost.”
“Passivhaus” - Passive House
Global Standard
Think globally, build locally.
Climate Zone Specific
Tested on all continents for over 30 years
For all
building types!
Not just houses
Waldsee BioHaus
First Passive House certi
fi
ed building in North America
Bemidji, MN - 2006
Cal Rice via Intep
Passive House in the Woods
First certi
fi
ed Passive House building in Wisconsin
Hudson, WI - 2009
Corey Gaffer via TE Studio
MinnePHit House
Cold Climate certi
fi
ed EnerPHit pilot project
Minneapolis, MN - 2012
Corey Gaffer via TE Studio
Klinikum Höchst
First Passive House certi
fi
ed General Hospital in the World
Frankfurt, Germany - 2022
Klinikum Frankfurt Höchst
Lexington Pkwy Passive House Plus
First certi
fi
ed Passive House Plus building in Minnesota
St. Paul, MN - 2020
TE Studio
Bright Haus #1
First certi
fi
ed Passive House Affordable Housing Home in Minnesota
Minneapolis, MN - 2022
TE Studio
Sandero Verde
Large Residential Passive House Development
New York City, NY - Current
Handel Architects
Curve
Tall Residential Passive House Skyscraper
Vancouver, BC, Canada - Current
BRIVIA Group
Riedberg Grundschule
Certi
fi
ed Passive House Elementary School
Frankfurt, Germany - 2004
Karsten11 via Wikimedia
Carrick Library
Certi
fi
ed Passive House Public Building
Pittsburgh, PA - 2018
Passive House Pavilion
Certi
fi
ed Passive House Museum
Longfor Sunda, China - 2019
Zhi Xia
Subaru Dealership
Certi
fi
ed Passive House Showroom
Alberta, Canada - 2018
Scott Subaru
Good Energy Haus
Frist certi
fi
ed Passive House Plus building in Minneapolis
Minneapolis, MN - 2020
Corey Gaffer via TE Studio
Winthrop Square
One of Boston’s tallest towers, and a Passive House
Boston, MA - 2022
Boston Business Journal
A Vetted Tool for Sustainable Design
Absolute Targets, Standardized Modeling, Comparable Results
Multiple Pathways to Sustainability
New, retro
fi
t, grid, grid + renewables, renewables + storage
Energy conservation
fi
rst!
• Minimize losses
• Maximize (free) gains
One Basic Concept
Corey Gaffer via TE Studio
Based on 5 Basic Principles
Universally applicable
Passivhaus Institut
Easy Answers for Buildings
This is not rocket science
Insulation Airtightness
Passive House Windows Heat Recovery Ventilation
Avoidance of Thermal Bridges
Passive: 4.75 kBtu/(sf yr)
Active: 25-125 kBtu/(sf yr)
85 - 450 kWh/(m2 a), typically found in the U.S. 15kWh/(m2 a), maximum target
Krapmeier & Drössler 2001
Passive versus active
…hence the name
Paradigm Shift
E
ffi
ciency First!
>
Low Life-Cycle Cost
Investing where it counts
Invest here >
To Save Here >
Intep
Third-Party Certified
Projects, Practitioners, Products
For a Sustainable Footprint
Heating (active)
Hot water (active)
Cooling (active)
Household Electricity
Heat & hot water (passive)
➡ up to 95% less heating energy
➡ 50 to 75% less total energy
Passive House
Code
With Universal Metrics
“Gas Mileage for Buildings”
Energy per Square Foot and Year
Heating/ Cooling Energy
Up to 90% less than “code-normal”
≤ 4.75 kBtu/(sf yr)
≤ 15kWh/(m2 a)
≤ 7.9 kBtu/(sf yr)
≤ 25kWh/(m2 a)
≤ 9.5 kBtu/(sf yr)
≤ 30kWh/(m2 a)
New Construction
Retrofit
Entry Level
Source Energy
Reducing energy where it counts
≤ 38 kBtu/(sf yr)
≤ 120kWh/(m2 a)
varies
≤ 120 kWh/(m2 a) + ((QH - 15 kWh/(m2 a)) * 1.2)
Heat Load
When met, heating can be supplied through the ventilation system and the heating system eliminated.
≤ 3.17 Btu/(h sf)
≤ 10W/m2
Airtightness
Measured with a blower door in the
fi
eld
≤0.6 ACH50
≤1.0 ACH50
For retro
fi
ts and more
• Maximum U-values
• Minimum R-values
• SHGC requirements
• Minimum heat-recovery rates
Components
Energy Modeled
PHPP, ASHRAE-vetted energy modeling
Plus Embodied Energy Calculation
Available “PH Ribbon” Add-On
PH Ribbon
Passive House is an Ecosystem
Connecting local needs with global capacity
Training and Certification
Architects, Engineers, Contractors, Components and Buildings
Why Passive
House Targets?
Performance + Comfort
• High R-value, airtight building
envelope is an insurance policy
against building-science issues
like condensation and mold
• Lack of drafts and increase in
insulation eliminates radiant heat
loss, thereby improving human
comfort
• Quality-managed project assures
performance and durability
Envelope
Sustainable Development Goals
• Health and wellbeing
• Economy and job creation
• Social housing and energy
poverty reduction
• Education
• Resilient and innovative buildings
• Sustainable consumption and
production
• International cooperation
• Climate protection and
accountability
Global Targets
Energy Flow and Transition
World/USA
State/ City
Building/Object Occupants
Gas boiler Room heat Hot water
Lighting
Hydro power
Building services Indoor air quality
Nuclear power
Automobile Mobility
Fuel
Oil
Crude oil
Natural gas
Uranium
non
renewable
renewable
We extract, produce and pollute here… …and pay here… …to satisfy our needs.
Source Site Useful Energy
Wind power Solar power
Other
Coal
Intep
Loss Factor
Architects and Engineers control this
Reduce a lot here…
…to save even more here
Compounding Losses
Wasting useful Energy cost us big in source energy
PHD & PHI
Useful Energy
Source
Energy
Site Energy
Loss Factor:
Conversion and Distribution
Loss Factor:
Performance factor
of equipment used
Wasting Energy Here… …means having
to produce a lot
more here!
Multiplied Savings
Saving useful energy spools up source energy savings
Useful Energy
Source
Energy
Site Energy
Loss Factor:
Conversion and Distribution
Loss Factor:
Performance factor
of equipment used
Saving Energy Here… …means saving a
lot more here!
PHD & PHI
Primary Energy Renewable
• PER provides an appropriate measure of
how much energy needs to be generated
sustainably from renewable energy sources
in order to provide a given amount of
energy to the end user.
• PER shows just how e
ffi
cient di
ff
erent
application technologies are in the context
of a sustainable renewable energy supply.
• PER is much more than a “zero” target. It
is a project-based accounting of source
energy, impact, storage, and energy use
which serves as a tool to optimize our
energy systems and invest where it counts.
The PER Metric
Passivhaus Institut
Clean Energy
Plans?!
Climate Change Scenarios
https://climateactiontracker.org
Pledges Mostly Insufficient
https://feu-us.org
Status Quo
Carbon Footprint 2019
Status Quo
Energy Consumption 2021
Which path do we invest in?
B.A.U. + huge grid vs. e
ffi
ciency + small, resilient grid
62%
26%
12%
Current Renewable
Convert to Renewable
Eliminate with E
ffi
ciency
88%
12%
Current Renewable
Convert to Renewable
Realities in
Minnesota
Aspirations
https://eq-research.com
Energy Use in Minneapolis
2000-Watt Society
Minnesota Clean Energy Plan
B.A.U. + Electrify Everything
ISSUE: Peak heating = massive
peak load Solar and wind cannot
meet the demand
COST: We are building a
huge clean energy
infrastructure
2000-Watt Society
Learning from
Vancouver
Carbon Framework Plan
E
ffi
ciency + Su
ffi
ciency + Renewables
Intep
Phasing In Efficiency
Creating a pathway for the market to adopt
City of Vancouver
With Passive House
Better Clean Energy Plan for Minnesota
E
ffi
ciency First + Renewables
SOLUTION: Massive peak heat load
reduction reduces supply and load
shifting issues!
COST: We are building a
small clean energy
infrastructure
2000-Watt Society
Not all good ideas are the same
• Solar panels on the roof
• Net zero, net zero, net zero
• High-e
ffi
ciency furnace
• High-e
ffi
ciency AC
• Clean energy
• Indoor air quality
• Clean energy
• Carbon sequestration
• Walkable neighborhood
• Low embodied energy
• Reuse, recycle
• Water conservation
The Smörgåsbord
Connect Conference 2022: Passive House -  Economic and Environmental Solution for Sustainable Real Estate
Both of these buildings are “Net Zero”
Only one is a Passive House
We cannot solar-panel our way
out of low-performing buildings
Will you get me a jacket? Will Steger
Energy E
ffi
ciency multiplies Bene
fi
ts
• Climate Impact Reduction
• Human Comfort and Health
• Resiliency
• Durability
• Life Cycle Cost Savings
• Social Justice
It gets better
Beneficial Electrification
Rocky Mountain Institute Report
Resource: https://rmi.org/insight/decarbonizing-homes/
Passive House & Social Justice
Rocky Mountain Institute
• Of course, we recognize the implications of an integrated whole systems
approach – it’s called Passive House and the report doesn’t shrink from this
implication but instead speci
fi
cally calls out the Passive House methodology as
a core strategy of bene
fi
cial electri
fi
cation.
• The formula Passive House + Electri
fi
cation + Renewables is a simple
expression of the integration proposed by bene
fi
cial electri
fi
cation.
• The report does a great job of laying out further positive results too: fewer toxins,
less pollution, less asthma, allergies, protection from weather extremes, grid
resilience, and increased safety for neighborhoods and communities – in
particular helping close the gap in health outcomes for low-income
communities.
Passive House = Foundation for Climate Action
(Architecture 2030 delivered since 1991)
iPHA & PH Accelerator
Passive House transforms
the status quo
How Does Passive House
Compare and Fit In?
Passive House
And other voluntary building standards
• Passive House is focused on:
• energy e
ffi
ciency and carbon footprint
• human comfort and well being
• optimized life cycle cost and value
• Passive House o
ff
ers crosswalks and is s synergetic with other sustainable building standards
• Passive House provides credentials and third-party certi
fi
cation (but does not require it)
Passive House
Code
• Generally exceeds energy code minimums
• Does not compete with energy codes
• Creates more energy e
ffi
cient, comfortable, economical, resilient, climate-
appropriate and sustainable buildings than code minimums
• Has inspired Energy Codes and Reach Codes
• Has e
ff
ectively become code in some markets
Passive House
ASHRAE
• BSR/ ASHRAE 227P: Passive Building Standard
• Provides requirements for the design of buildings that have exceptionally
low energy usage and that are durable, resilient, comfortable, and healthy.
• Can become reference and code-enforceable.
• Is based on, informed and inspired by the Passive House building energy
standard (as well as PHIUS+ in the US)
Resource: https://www.ashrae.org/news/esociety/new-ashrae-passive-building-standard-to-boost-
use-of-strategy
Passive House
LEED
Passive House
Living Building Challenge
This crosswalk between the International Living Future Institute (ILFI) and the PHI o
ff
ers
guidance for buildings seeking to bene
fi
t from both certi
fi
cation schemes by choosing
the high energy e
ffi
ciency of a Passive House complemented with renewables as a
compliance pathway to reach Zero Energy.
• Zero Energy (ZE) Certi
fi
cation: “The annual site energy generation reported in PHPP
can be used to predict potential achievement of ZE when compared to estimates of
annual energy demand.
(PHPP v9.6, PER worksheet, cell S85)
• Actual Performance: Validated after 12-month
Resource: https://living-future.org/wp-content/uploads/2019/07/ZeroEnergyPHI_Crosswalk.pdf
Passive House
Enterprise Green Communities
Passive House takes building performance further and delivers it with con
fi
dence; it enables strong control of
the indoor environment (air quality, temperature and humidity comfort).
• MN Overlay Criteria 5.2b: Moving to Zero Energy
• Near Zero Certi
fi
cation with PH certi
fi
cation (18 points)
• Other Synergies:
• Healthy Living Environment via airtightness and ventilation with absolute performance targets
• Energy E
ffi
ciency via energy modeling and absolute performance targets
• Third party certi
fi
cation
Resource: https://www.enterprisecommunity.org/solutions-and-innovation/green-communities and http://mnhousing.gov/get/
MHFA_247757
Energy Star
Passive House takes building performance
further and delivers it with con
fi
dence; it
enables strong control of the indoor
environment (air quality, temperature and
humidity comfort).
• Airtightness and ventilation with absolute
performance targets
• Energy modeling and absolute
performance targets with similar metrics
• Integration and accounting of renewables
via Passive House Plus and Premium
• Third party certi
fi
cation
Passive House
Passive House
B3 + SB2030
The Passive House approach enables the design team to reach building performance
targets sooner, with con
fi
dence, and without the requirement for on-site renewable
systems.
• E
ffi
ciency via energy modeling with absolute performance targets
• Carbon-neutrality via carbon-accounting with absolute targets (PER metric)
• Embodied energy/ Carbon accounting via phRibbon plugin
• Third party certi
fi
cation
Resources: https://www.b3mn.org/2030energystandard/ and https://architecture2030.org
Rolf Jacobson, Center for Sustainable Building Research, University of Minnesota
“Yes, Passive House certification can definitely be dovetailed into B3/SB2030 projects and we encourage
that approach because PH certification typically results in very high performance projects. We estimate
that PH projects will often meet or even exceed SB 2030 required levels of on-site energy efficiency.
CSBR and CEE are working together currently to find a way to minimize redundancy between the two
programs, for example by accepting standard PH energy models (PHPP or WUFI Passive) as a
compliance path.”
Delivering Architecture 2030
Excerpts from the 2030 Challenge and 2030 Palette
• Passive design strategies
• High R-value building envelope
• Thermally broken assemblies and high-e
ffi
ciency windows
• Solar access
• Passive heating, passive cooling
• Daylighting
• Passive solar heat gain and storage
• East/ west shading
• Night vent cooling
• Shading devices
• Thermal storage
• Retro
fi
ts
Passive House
Delivering the 2030 Challenge (since 1991)
> Passive House delivers energy e
ffi
ciency
fi
rst!
> Works best with Passive House building envelopes
> Passive House PER carbon footprint accounting
> Interactive feedback with the PHPP
> Foundation of the Passive House standard
The Business Case for
Passive House Real Estate
Cost Efficiency
Example: Student Housing
State of South Dakota - 2012/14
Student Housing
Using the Passive House Standard for State projects, what changes?
•Di
ff
erences for the Building Envelope
•Thermal Bridge Free Design
•Heat Flow and Loss Comparisons
•Energy Consumption and Flow Comparisons
•Carbon Emissions Comparison
•First Day and Life Cycle Cost Comparison
•Key Conclusion and Bene
fi
ts
Component Base Passive House
Exterior Walls R-16 (h sf °F/ Btu) R-34 (h sf °F/ Btu)
Roof R-70 (h sf °F/ Btu) R-70 (h sf °F/ Btu)
Slab R-3 (h sf °F/ Btu) R-27 (h sf °F/ Btu)
Windows, Ext. Doors
U- 0.41 (Btu/ h sf °F)
SHCG-0.27
U- 0.12 (Btu/ h sf °F)
SHCG-0.50
Thermal Bridges Significant Free
Airtightness ACH50: 3.0 1/h (est.) ACH50: ≤ 0.2 1/h (field tested)
Ventilation w/ HR
51% HR-Efficiency
0.45 Wh/ m3 Electr. Eff.
87% HR-Efficiency
0.45 Wh/ m3 Electr. Eff.
Heating/ Cooling District heating/cooling District heating/cooling
‣ Opportunity for on-site HVAC system
Building Envelope
Base Building
Passive House Building
Exterior Interior
Exterior Interior
Thermal Bridge: Construction
Base Building
Passive House Building
Exterior Interior
Exterior Interior
Thermal Bridge: Window
kWh/(m2
yr)
0
50
100
150
200
250
Passive House Building
Exterior Wall
Roof
Slab/ BSMT Ceiling
Windows/ Doors
Thermal Bridging
Ventilation/ Infiltration
Solar Gains
Internal Gains
Active Heat
kWh/(m2
yr)
0
50
100
150
200
250
Base Building
‣ Heat Load is reduced by 95%
Heat Flow Comparison
kBtu/(sf
yr)
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
Base Building Passive House Building
Exterior Wall
Roof
Slab/ BSMT Ceiling
Windows/ Doors
Thermal Bridging
Ventilation/ Infiltration
➡ LEED causes building to
be over-ventilated!
➡ Major thermal bridges
➡ Poor R-values
➡ Poor components
‣ Heat Loss is reduced by 72%
Heat Loss Comparison
kBtu/(sf
yr)
0
10
20
30
40
50
60
70
80
90
100
110
120
Base Building Passive House Building
Heating
Cooling
Domestic Hot Water
Plug and Appliances
Lighting
Auxiliary Electricity
‣ Energy Consumption is reduced by 62%
Energy Consumption Comparison
Base Building
9%
3%
10%
12%
2% 65%
Passive House Building
8%
8%
26%
34%
12%
13%
Heating
Cooling
Domestic Hot Water
Plug and Appliances
Lighting
Auxiliary Electricity
➡ Focus on plug loads and domestic hot water
➡ Focus on heating load
Energy Flow Comparison
kg/(m2
yr)
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
Passive House Building
Heating
Cooling
Domestic Hot Water
Plug and Appliances
Lighting
Auxiliary Electricity
kg/(m2
yr)
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
Base Building
‣ Carbon Emissions
are reduced by 56%
Carbon Emissions Comparison
Building Component Base Passive House Difference
Structure: Concrete, Steel, Masonry
$‎
2,015,796
$‎
2,015,796
$‎
0
Rough + Finish Carpentry
$‎
230,339
$‎
230,339
$‎
0
Roofing, Moisture & Thermal Protection
$‎
334,957
$‎
634,957
$‎
300,000
Glass & Glazing/ Door + Hardware
$‎
611,076
$‎
1,067,076
$‎
456,000
Drywall Steel Stud Framing
$‎
587,489
$‎
587,489
$‎
0
Interior Finishes
$‎
451,441
$‎
451,441
$‎
0
Specialties & Accessories
$‎
84,406
$‎
84,406
$‎
0
Elevators
$‎
95,000
$‎
95,000
$‎
0
Plumbing Systems + Fire Suppressions System
$‎
762,800
$‎
762,800
$‎
0
HVAC Systems
$‎
518,650
$‎
468,650
$‎
(50,000)
Electrical Systems
$‎
683,675
$‎
683,675
$‎
0
Earthwork Excavation
$‎
122,590
$‎
122,590
$‎
0
Building Investment Cost Total
$‎
6,498,219
$‎
7,196,046
$‎
697,827
‣ Investment Cost approx. 10.5%
First Day Cost Comparison
Annual Annualized Cost Comparison w/o HVAC system reduction
Base
Passive House
$0 $100,000 $200,000 $300,000 $400,000 $500,000 $600,000 $700,000 $800,000
Construction Cost
Management & Insurance
Security
Cleaning
Inspection & Maintenance
Utilities & Disposal
Repair
Refurbishments
Calculation Parameters
The following parameters were used for calculation of the life cycle and operating cost:
• Duration of assessment: 50 years
• Inflation:
o Construction (nominal) 3.00%
o Management and services (nominal) 1.00%
o Utilities and waste (nominal) 3.00%
o Interest rate (nominal) 4.00%
o Energy and telecommunication
•
Water (m3) $ 0.83
•
Waste water (m3) $ 1.11
•
District Heat (kWh) $ 0.05
•
District Cooling (kWh) $ 0.05
•
Electricity (kWh) $ 0.07
‣ Annual Annuitized Cost Reduction of approx. 3%
Life Cycle Cost Comparison
What quality of real estate
will be valuable in the future?
Let’s sell future value, rather than the
non-sustainable values of the past.
Let’s create new markets like
”purchase to retrofit“
Let’s opt out of the financial and
environmental risks of B.A.U.
Let’s consider our conscience
and legacy
Luxury and affordability are not
mutually exclusive
Tools to quantify the value of
Passive House
For existing and new buildings
• Universally quantify energy
demand (energy per square foot
and year)
• Provide energy use and cost by
resource
• Make clear and transparent
comparisons
Energy Passport
For retro
fi
ts and new buildings
• Precise, industry-leading energy
modeling results
• Building design optimization and
“true” value engineering
• Accurate demand prediction
• Transparent accounting during
design
• Works on retro
fi
ts, too!
Energy Modeling
Residential Green and Energy E
ffi
cient Addendum
• Boost appraisals with factual
evidence for investment in
performance = sustainable, long-
term value
• Clearly mark building certi
fi
cation
• Describe improvements over the
status quo
• Provide cost and long-term
bene
fi
ts of improvement
Appraisal
Knowing is key
• Provide a uniform place for
certi
fi
ed building performance
• Provide links to allow buyers to
understand building certi
fi
cation
• Put building performance in
perspective with baseline
Certificate
Client Amy & Tim Eian
3406 Benjamin St. NE
55418 Minneapolis, United States of America
TE Studio, Ltd.
901 23rd Ave. NE
55418 Minneapolis, United States of America
Building TE Studio, Ltd.
Services 901 23rd Ave. NE
55418 Minneapolis, United States of America
Energy TE Studio, Ltd.
55418 Minneapolis, United States of America
This building
Alternative
criteria
Heating
[kWh/(m²a)] 14 ≤ -
[W/m²] 19 ≤ 10
Cooling
[kWh/(m²a)] 6 ≤ 15
[W/m²] 9 ≤ 10
[%] - ≤
[%] 0 ≤
Airtightness
Pressurization test result (n50) [1/h] 0.2 ≤
Non-renewable primary energy (PE)
[kWh/(m²a)] 80 ≤
Renewable primary energy (PER)
[kWh/(m²a)] 37 ≤ 37
[kWh/(m²a)] 104 ≥ 48
Weitnau, 30. October 2020
Certifier: Florian Lang - Raphaël Vibert, Herz & Lang GmbH
www.passivehouse.com 28430_HuL_PH_20201030_FL
0.6
10
45
Passive House buildings offer excellent thermal comfort and very good air quality all year round. Due to their high
energy efficiency, energy costs as well as greenhouse gas emissions are extremely low.
The design of the above-mentioned building meets the criteria defined by the Passive House Institute for the
'Passive House Plus' standard:
Consultant
Frequency of excessively high humidity
-
-
-
15
Authorised
by:
Certified Passive House Plus
Good Energy Haus
3406 Benjamin St. NE, 55418 Minneapolis, USA
901 23rd Ave. NE
Dr. Wolfgang Feist
64283 Darmstadt
Germany
Architect
Herz & Lang GmbH
Die Planer für energieeffizientes Bauen
Ritzensonnenhalb 5a
87480 Weitnau, Germany
The associated certification booklet contains more characteristic values for this building.
Building quality
Heating demand
Heating load
Cooling + dehumidification demand
Cooling load
Frequency of overheating (> 25 °C)
PER-demand
Generation (reference to ground area)
PE demand
60
-
Criteria
15
Listing
Energy E
ffi
cient Mortgage
• Tap existing and help create new
fi
nancing resources that
acknowledges and bank on the
performance of buildings
• Currently: HERS rating, or DOE
score
• Simpli
fi
ed: Passive House check
mark
Financing
Support for performance
• Tax Incentives
• Property Tax Exclusions
• Cash for Clunkers
• Utility Programs
• Special Financing
• Carbon Trade
Incentives
Summary
Principles and Metrics
• Passive House applies to all building types, climate zone-speci
fi
c, anywhere in the world
• Passive House is based on universal building science principles to deliver optimized energy ef
fi
ciency
and a sustainable carbon footprint, superior human well-being and comfort, as well as life cycle cost
savings
• Passive House metrics are not arbitrary, or proprietary but absolute and provide measurable results with
over 30 years of a proven track record, a vetted set of tools, countless case studies and
fi
eld studies all
over the world, as well as an engaged Institute stakeholder with practitioner organizations in many
places in the world including the U.S.
• Passive House principles are the foundation for Climate-neutrality in the built environment
• Passive House is endorsed by the UN as a solution for the sustainable future of buildings
Resource: https://passivehouse.com, https://passivehouse-database.org/index.php?lang=en, https://theclimatecenter.org/north-americas-global-centres-excellence-building/
Delivery and Certification
• Passive House buildings are most cost-effective when implemented right from the outset and executed
with the help of trained and experienced professionals
• Passive House projects do not rely outside consultants and raters as Passive House design can be
integrated into the architectural practice
• Passive House projects do not require certi
fi
ed practitioners, or building certi
fi
cation (project certi
fi
cation
has proven to deliver better project outcomes when compared to non-certi
fi
ed projects)
• Passive House is not prescriptive in regards to the design, engineering, construction and materialities of
buildings, e.g. it provides a lot of
fl
exibility to developers, architects and engineers
• Passive House projects include energy modeling with the PHPP, which maximizes investment value
through transparent accounting and reporting of meaningful results, as well as variant analysis
• Passive House provides industry-leading life-cycle cost
Passive House has a Clear Focus
And partners well with other standards
• Building Envelope: Energy avoidance, comfort and resiliency through“passive”
measures
• Mechanical: Healthy and e
ffi
cient operation through adequately sized, highly e
ffi
cient
and sustainable systems
• Electrical: Energy-e
ffi
cient, all-electric operation
• Renewable Energy and Storage: PER metric for transparent accounting of footprint
and “right-sizing” of the “green grid”
• Building Materials: People and earth-friendly materials and construction
• Reduction of embodied energy and carbon: PH Ribbon
Delivers Architecture 2030 goals since 1991
• De
fi
nes long-term building quality
and performance independent of
energy supply
• Reduces the amount of useful
energy needed to operate a building
signi
fi
cantly enabling an e
ffi
cient
and e
ff
ective green grid
• Applies to all building types, new
construction and retro
fi
ts (EnerPHit)
• Just makes better real estate
Passive House
What can I
do?
Ways to get into and support Passive House
Actively think about and consider
Passive House
Experience a Passive House
November 12-13, 2022
Get Passive House trained and
certified
Training Opportunity
Certi
fi
ed Passive House Tradesperson Training (not just for Contractors)
• 5-day Passive House CPHT Builder Boot Camp
• 2d Course + 2d Workshop + 3h Exam
• In-person, hands-on, building science deep dive to become a PHI Certi
fi
ed
Passive House Tradesperson (CPHT)
• March 20 - 24, 2023 in Golden Valley (Mpls), Minneapolis
• $2,000 Tuition
• Information and Preregistration: training@phmn.org
Always renovate and build new
with Passive House
Encourage Clients to renovate
and build new Passive House
Promote Passive House for
developments, improvement and
investment projects.
Educate and generate demand for Passive
House to eliminate the “chicken and egg”
conversation, and get past the
“greenwashing” noise
Resources
Get informed and join the community
• Stakeholder: Passive House Institute
https://passivehouse.com/
• Global Organization: International Passive House Association
https://passivehouse-international.org
• U.S. Organization & Training: The Passive House Network
https://naphnetwork.org/
• Local Organization: Passive House Minnesota
https://passivehouseminnesota.org/
• Knowledge Base: Passipedia
https://passipedia.org/
• Community: Passive House Accelerator
https://passivehouseaccelerator.com

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Connect Conference 2022: Passive House - Economic and Environmental Solution for Sustainable Real Estate

  • 1. Passive House Tim Eian, TE Studio - Connect 2022, November 2, 2022 The Economic and Environmental Solution for Sustainable Real Estate
  • 2. The Built Environment Much more than a fi nancial transaction
  • 4. We spend 90% of our time indoors
  • 6. Buildings are often unreliable, expensive, and they can make us sick.
  • 7. Let’s imagine the perfect building How would you describe it?
  • 8. Low energy and climate-neutral
  • 9. Warm in the winter
  • 10. Cool in the summer
  • 12. Healthy and free from smoke, soot, pollen, mold and bugs
  • 16. Affordable to build and operate
  • 18. Passivhaus Kranichstein First Passive House in the World, Darmstadt, Germany - 1991
  • 19. “A rigorous, voluntary building energy standard focusing on highest energy ef fi ciency and quality of life at low operating cost.” “Passivhaus” - Passive House
  • 21. Climate Zone Specific Tested on all continents for over 30 years
  • 23. Waldsee BioHaus First Passive House certi fi ed building in North America Bemidji, MN - 2006 Cal Rice via Intep
  • 24. Passive House in the Woods First certi fi ed Passive House building in Wisconsin Hudson, WI - 2009 Corey Gaffer via TE Studio
  • 25. MinnePHit House Cold Climate certi fi ed EnerPHit pilot project Minneapolis, MN - 2012 Corey Gaffer via TE Studio
  • 26. Klinikum Höchst First Passive House certi fi ed General Hospital in the World Frankfurt, Germany - 2022 Klinikum Frankfurt Höchst
  • 27. Lexington Pkwy Passive House Plus First certi fi ed Passive House Plus building in Minnesota St. Paul, MN - 2020 TE Studio
  • 28. Bright Haus #1 First certi fi ed Passive House Affordable Housing Home in Minnesota Minneapolis, MN - 2022 TE Studio
  • 29. Sandero Verde Large Residential Passive House Development New York City, NY - Current Handel Architects
  • 30. Curve Tall Residential Passive House Skyscraper Vancouver, BC, Canada - Current BRIVIA Group
  • 31. Riedberg Grundschule Certi fi ed Passive House Elementary School Frankfurt, Germany - 2004 Karsten11 via Wikimedia
  • 32. Carrick Library Certi fi ed Passive House Public Building Pittsburgh, PA - 2018
  • 33. Passive House Pavilion Certi fi ed Passive House Museum Longfor Sunda, China - 2019 Zhi Xia
  • 34. Subaru Dealership Certi fi ed Passive House Showroom Alberta, Canada - 2018 Scott Subaru
  • 35. Good Energy Haus Frist certi fi ed Passive House Plus building in Minneapolis Minneapolis, MN - 2020 Corey Gaffer via TE Studio
  • 36. Winthrop Square One of Boston’s tallest towers, and a Passive House Boston, MA - 2022 Boston Business Journal
  • 37. A Vetted Tool for Sustainable Design Absolute Targets, Standardized Modeling, Comparable Results
  • 38. Multiple Pathways to Sustainability New, retro fi t, grid, grid + renewables, renewables + storage
  • 39. Energy conservation fi rst! • Minimize losses • Maximize (free) gains One Basic Concept Corey Gaffer via TE Studio
  • 40. Based on 5 Basic Principles Universally applicable Passivhaus Institut
  • 41. Easy Answers for Buildings This is not rocket science Insulation Airtightness Passive House Windows Heat Recovery Ventilation Avoidance of Thermal Bridges
  • 42. Passive: 4.75 kBtu/(sf yr) Active: 25-125 kBtu/(sf yr) 85 - 450 kWh/(m2 a), typically found in the U.S. 15kWh/(m2 a), maximum target Krapmeier & Drössler 2001 Passive versus active …hence the name
  • 44. Low Life-Cycle Cost Investing where it counts Invest here > To Save Here > Intep
  • 46. For a Sustainable Footprint Heating (active) Hot water (active) Cooling (active) Household Electricity Heat & hot water (passive) ➡ up to 95% less heating energy ➡ 50 to 75% less total energy Passive House Code
  • 47. With Universal Metrics “Gas Mileage for Buildings” Energy per Square Foot and Year
  • 48. Heating/ Cooling Energy Up to 90% less than “code-normal” ≤ 4.75 kBtu/(sf yr) ≤ 15kWh/(m2 a) ≤ 7.9 kBtu/(sf yr) ≤ 25kWh/(m2 a) ≤ 9.5 kBtu/(sf yr) ≤ 30kWh/(m2 a) New Construction Retrofit Entry Level
  • 49. Source Energy Reducing energy where it counts ≤ 38 kBtu/(sf yr) ≤ 120kWh/(m2 a) varies ≤ 120 kWh/(m2 a) + ((QH - 15 kWh/(m2 a)) * 1.2)
  • 50. Heat Load When met, heating can be supplied through the ventilation system and the heating system eliminated. ≤ 3.17 Btu/(h sf) ≤ 10W/m2
  • 51. Airtightness Measured with a blower door in the fi eld ≤0.6 ACH50 ≤1.0 ACH50
  • 52. For retro fi ts and more • Maximum U-values • Minimum R-values • SHGC requirements • Minimum heat-recovery rates Components
  • 54. Plus Embodied Energy Calculation Available “PH Ribbon” Add-On PH Ribbon
  • 55. Passive House is an Ecosystem Connecting local needs with global capacity
  • 56. Training and Certification Architects, Engineers, Contractors, Components and Buildings
  • 58. Performance + Comfort • High R-value, airtight building envelope is an insurance policy against building-science issues like condensation and mold • Lack of drafts and increase in insulation eliminates radiant heat loss, thereby improving human comfort • Quality-managed project assures performance and durability Envelope
  • 59. Sustainable Development Goals • Health and wellbeing • Economy and job creation • Social housing and energy poverty reduction • Education • Resilient and innovative buildings • Sustainable consumption and production • International cooperation • Climate protection and accountability Global Targets
  • 60. Energy Flow and Transition World/USA State/ City Building/Object Occupants Gas boiler Room heat Hot water Lighting Hydro power Building services Indoor air quality Nuclear power Automobile Mobility Fuel Oil Crude oil Natural gas Uranium non renewable renewable We extract, produce and pollute here… …and pay here… …to satisfy our needs. Source Site Useful Energy Wind power Solar power Other Coal Intep Loss Factor Architects and Engineers control this Reduce a lot here… …to save even more here
  • 61. Compounding Losses Wasting useful Energy cost us big in source energy PHD & PHI Useful Energy Source Energy Site Energy Loss Factor: Conversion and Distribution Loss Factor: Performance factor of equipment used Wasting Energy Here… …means having to produce a lot more here!
  • 62. Multiplied Savings Saving useful energy spools up source energy savings Useful Energy Source Energy Site Energy Loss Factor: Conversion and Distribution Loss Factor: Performance factor of equipment used Saving Energy Here… …means saving a lot more here! PHD & PHI
  • 63. Primary Energy Renewable • PER provides an appropriate measure of how much energy needs to be generated sustainably from renewable energy sources in order to provide a given amount of energy to the end user. • PER shows just how e ffi cient di ff erent application technologies are in the context of a sustainable renewable energy supply. • PER is much more than a “zero” target. It is a project-based accounting of source energy, impact, storage, and energy use which serves as a tool to optimize our energy systems and invest where it counts. The PER Metric Passivhaus Institut
  • 69. Which path do we invest in? B.A.U. + huge grid vs. e ffi ciency + small, resilient grid 62% 26% 12% Current Renewable Convert to Renewable Eliminate with E ffi ciency 88% 12% Current Renewable Convert to Renewable
  • 72. Energy Use in Minneapolis 2000-Watt Society
  • 73. Minnesota Clean Energy Plan B.A.U. + Electrify Everything ISSUE: Peak heating = massive peak load Solar and wind cannot meet the demand COST: We are building a huge clean energy infrastructure 2000-Watt Society
  • 75. Carbon Framework Plan E ffi ciency + Su ffi ciency + Renewables Intep
  • 76. Phasing In Efficiency Creating a pathway for the market to adopt City of Vancouver
  • 78. Better Clean Energy Plan for Minnesota E ffi ciency First + Renewables SOLUTION: Massive peak heat load reduction reduces supply and load shifting issues! COST: We are building a small clean energy infrastructure 2000-Watt Society
  • 79. Not all good ideas are the same • Solar panels on the roof • Net zero, net zero, net zero • High-e ffi ciency furnace • High-e ffi ciency AC • Clean energy • Indoor air quality • Clean energy • Carbon sequestration • Walkable neighborhood • Low embodied energy • Reuse, recycle • Water conservation The Smörgåsbord
  • 81. Both of these buildings are “Net Zero” Only one is a Passive House
  • 82. We cannot solar-panel our way out of low-performing buildings
  • 83. Will you get me a jacket? Will Steger
  • 84. Energy E ffi ciency multiplies Bene fi ts • Climate Impact Reduction • Human Comfort and Health • Resiliency • Durability • Life Cycle Cost Savings • Social Justice It gets better
  • 85. Beneficial Electrification Rocky Mountain Institute Report Resource: https://rmi.org/insight/decarbonizing-homes/
  • 86. Passive House & Social Justice Rocky Mountain Institute • Of course, we recognize the implications of an integrated whole systems approach – it’s called Passive House and the report doesn’t shrink from this implication but instead speci fi cally calls out the Passive House methodology as a core strategy of bene fi cial electri fi cation. • The formula Passive House + Electri fi cation + Renewables is a simple expression of the integration proposed by bene fi cial electri fi cation. • The report does a great job of laying out further positive results too: fewer toxins, less pollution, less asthma, allergies, protection from weather extremes, grid resilience, and increased safety for neighborhoods and communities – in particular helping close the gap in health outcomes for low-income communities.
  • 87. Passive House = Foundation for Climate Action (Architecture 2030 delivered since 1991) iPHA & PH Accelerator
  • 89. How Does Passive House Compare and Fit In?
  • 90. Passive House And other voluntary building standards • Passive House is focused on: • energy e ffi ciency and carbon footprint • human comfort and well being • optimized life cycle cost and value • Passive House o ff ers crosswalks and is s synergetic with other sustainable building standards • Passive House provides credentials and third-party certi fi cation (but does not require it)
  • 91. Passive House Code • Generally exceeds energy code minimums • Does not compete with energy codes • Creates more energy e ffi cient, comfortable, economical, resilient, climate- appropriate and sustainable buildings than code minimums • Has inspired Energy Codes and Reach Codes • Has e ff ectively become code in some markets
  • 92. Passive House ASHRAE • BSR/ ASHRAE 227P: Passive Building Standard • Provides requirements for the design of buildings that have exceptionally low energy usage and that are durable, resilient, comfortable, and healthy. • Can become reference and code-enforceable. • Is based on, informed and inspired by the Passive House building energy standard (as well as PHIUS+ in the US) Resource: https://www.ashrae.org/news/esociety/new-ashrae-passive-building-standard-to-boost- use-of-strategy
  • 94. Passive House Living Building Challenge This crosswalk between the International Living Future Institute (ILFI) and the PHI o ff ers guidance for buildings seeking to bene fi t from both certi fi cation schemes by choosing the high energy e ffi ciency of a Passive House complemented with renewables as a compliance pathway to reach Zero Energy. • Zero Energy (ZE) Certi fi cation: “The annual site energy generation reported in PHPP can be used to predict potential achievement of ZE when compared to estimates of annual energy demand. (PHPP v9.6, PER worksheet, cell S85) • Actual Performance: Validated after 12-month Resource: https://living-future.org/wp-content/uploads/2019/07/ZeroEnergyPHI_Crosswalk.pdf
  • 95. Passive House Enterprise Green Communities Passive House takes building performance further and delivers it with con fi dence; it enables strong control of the indoor environment (air quality, temperature and humidity comfort). • MN Overlay Criteria 5.2b: Moving to Zero Energy • Near Zero Certi fi cation with PH certi fi cation (18 points) • Other Synergies: • Healthy Living Environment via airtightness and ventilation with absolute performance targets • Energy E ffi ciency via energy modeling and absolute performance targets • Third party certi fi cation Resource: https://www.enterprisecommunity.org/solutions-and-innovation/green-communities and http://mnhousing.gov/get/ MHFA_247757
  • 96. Energy Star Passive House takes building performance further and delivers it with con fi dence; it enables strong control of the indoor environment (air quality, temperature and humidity comfort). • Airtightness and ventilation with absolute performance targets • Energy modeling and absolute performance targets with similar metrics • Integration and accounting of renewables via Passive House Plus and Premium • Third party certi fi cation Passive House
  • 97. Passive House B3 + SB2030 The Passive House approach enables the design team to reach building performance targets sooner, with con fi dence, and without the requirement for on-site renewable systems. • E ffi ciency via energy modeling with absolute performance targets • Carbon-neutrality via carbon-accounting with absolute targets (PER metric) • Embodied energy/ Carbon accounting via phRibbon plugin • Third party certi fi cation Resources: https://www.b3mn.org/2030energystandard/ and https://architecture2030.org
  • 98. Rolf Jacobson, Center for Sustainable Building Research, University of Minnesota “Yes, Passive House certification can definitely be dovetailed into B3/SB2030 projects and we encourage that approach because PH certification typically results in very high performance projects. We estimate that PH projects will often meet or even exceed SB 2030 required levels of on-site energy efficiency. CSBR and CEE are working together currently to find a way to minimize redundancy between the two programs, for example by accepting standard PH energy models (PHPP or WUFI Passive) as a compliance path.”
  • 99. Delivering Architecture 2030 Excerpts from the 2030 Challenge and 2030 Palette • Passive design strategies • High R-value building envelope • Thermally broken assemblies and high-e ffi ciency windows • Solar access • Passive heating, passive cooling • Daylighting • Passive solar heat gain and storage • East/ west shading • Night vent cooling • Shading devices • Thermal storage • Retro fi ts
  • 100. Passive House Delivering the 2030 Challenge (since 1991) > Passive House delivers energy e ffi ciency fi rst! > Works best with Passive House building envelopes > Passive House PER carbon footprint accounting > Interactive feedback with the PHPP > Foundation of the Passive House standard
  • 101. The Business Case for Passive House Real Estate
  • 103. Example: Student Housing State of South Dakota - 2012/14
  • 104. Student Housing Using the Passive House Standard for State projects, what changes? •Di ff erences for the Building Envelope •Thermal Bridge Free Design •Heat Flow and Loss Comparisons •Energy Consumption and Flow Comparisons •Carbon Emissions Comparison •First Day and Life Cycle Cost Comparison •Key Conclusion and Bene fi ts
  • 105. Component Base Passive House Exterior Walls R-16 (h sf °F/ Btu) R-34 (h sf °F/ Btu) Roof R-70 (h sf °F/ Btu) R-70 (h sf °F/ Btu) Slab R-3 (h sf °F/ Btu) R-27 (h sf °F/ Btu) Windows, Ext. Doors U- 0.41 (Btu/ h sf °F) SHCG-0.27 U- 0.12 (Btu/ h sf °F) SHCG-0.50 Thermal Bridges Significant Free Airtightness ACH50: 3.0 1/h (est.) ACH50: ≤ 0.2 1/h (field tested) Ventilation w/ HR 51% HR-Efficiency 0.45 Wh/ m3 Electr. Eff. 87% HR-Efficiency 0.45 Wh/ m3 Electr. Eff. Heating/ Cooling District heating/cooling District heating/cooling ‣ Opportunity for on-site HVAC system Building Envelope
  • 106. Base Building Passive House Building Exterior Interior Exterior Interior Thermal Bridge: Construction
  • 107. Base Building Passive House Building Exterior Interior Exterior Interior Thermal Bridge: Window
  • 108. kWh/(m2 yr) 0 50 100 150 200 250 Passive House Building Exterior Wall Roof Slab/ BSMT Ceiling Windows/ Doors Thermal Bridging Ventilation/ Infiltration Solar Gains Internal Gains Active Heat kWh/(m2 yr) 0 50 100 150 200 250 Base Building ‣ Heat Load is reduced by 95% Heat Flow Comparison
  • 109. kBtu/(sf yr) 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 Base Building Passive House Building Exterior Wall Roof Slab/ BSMT Ceiling Windows/ Doors Thermal Bridging Ventilation/ Infiltration ➡ LEED causes building to be over-ventilated! ➡ Major thermal bridges ➡ Poor R-values ➡ Poor components ‣ Heat Loss is reduced by 72% Heat Loss Comparison
  • 110. kBtu/(sf yr) 0 10 20 30 40 50 60 70 80 90 100 110 120 Base Building Passive House Building Heating Cooling Domestic Hot Water Plug and Appliances Lighting Auxiliary Electricity ‣ Energy Consumption is reduced by 62% Energy Consumption Comparison
  • 111. Base Building 9% 3% 10% 12% 2% 65% Passive House Building 8% 8% 26% 34% 12% 13% Heating Cooling Domestic Hot Water Plug and Appliances Lighting Auxiliary Electricity ➡ Focus on plug loads and domestic hot water ➡ Focus on heating load Energy Flow Comparison
  • 112. kg/(m2 yr) 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Passive House Building Heating Cooling Domestic Hot Water Plug and Appliances Lighting Auxiliary Electricity kg/(m2 yr) 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Base Building ‣ Carbon Emissions are reduced by 56% Carbon Emissions Comparison
  • 113. Building Component Base Passive House Difference Structure: Concrete, Steel, Masonry $‎ 2,015,796 $‎ 2,015,796 $‎ 0 Rough + Finish Carpentry $‎ 230,339 $‎ 230,339 $‎ 0 Roofing, Moisture & Thermal Protection $‎ 334,957 $‎ 634,957 $‎ 300,000 Glass & Glazing/ Door + Hardware $‎ 611,076 $‎ 1,067,076 $‎ 456,000 Drywall Steel Stud Framing $‎ 587,489 $‎ 587,489 $‎ 0 Interior Finishes $‎ 451,441 $‎ 451,441 $‎ 0 Specialties & Accessories $‎ 84,406 $‎ 84,406 $‎ 0 Elevators $‎ 95,000 $‎ 95,000 $‎ 0 Plumbing Systems + Fire Suppressions System $‎ 762,800 $‎ 762,800 $‎ 0 HVAC Systems $‎ 518,650 $‎ 468,650 $‎ (50,000) Electrical Systems $‎ 683,675 $‎ 683,675 $‎ 0 Earthwork Excavation $‎ 122,590 $‎ 122,590 $‎ 0 Building Investment Cost Total $‎ 6,498,219 $‎ 7,196,046 $‎ 697,827 ‣ Investment Cost approx. 10.5% First Day Cost Comparison
  • 114. Annual Annualized Cost Comparison w/o HVAC system reduction Base Passive House $0 $100,000 $200,000 $300,000 $400,000 $500,000 $600,000 $700,000 $800,000 Construction Cost Management & Insurance Security Cleaning Inspection & Maintenance Utilities & Disposal Repair Refurbishments Calculation Parameters The following parameters were used for calculation of the life cycle and operating cost: • Duration of assessment: 50 years • Inflation: o Construction (nominal) 3.00% o Management and services (nominal) 1.00% o Utilities and waste (nominal) 3.00% o Interest rate (nominal) 4.00% o Energy and telecommunication • Water (m3) $ 0.83 • Waste water (m3) $ 1.11 • District Heat (kWh) $ 0.05 • District Cooling (kWh) $ 0.05 • Electricity (kWh) $ 0.07 ‣ Annual Annuitized Cost Reduction of approx. 3% Life Cycle Cost Comparison
  • 115. What quality of real estate will be valuable in the future?
  • 116. Let’s sell future value, rather than the non-sustainable values of the past.
  • 117. Let’s create new markets like ”purchase to retrofit“
  • 118. Let’s opt out of the financial and environmental risks of B.A.U.
  • 119. Let’s consider our conscience and legacy
  • 120. Luxury and affordability are not mutually exclusive
  • 121. Tools to quantify the value of Passive House
  • 122. For existing and new buildings • Universally quantify energy demand (energy per square foot and year) • Provide energy use and cost by resource • Make clear and transparent comparisons Energy Passport
  • 123. For retro fi ts and new buildings • Precise, industry-leading energy modeling results • Building design optimization and “true” value engineering • Accurate demand prediction • Transparent accounting during design • Works on retro fi ts, too! Energy Modeling
  • 124. Residential Green and Energy E ffi cient Addendum • Boost appraisals with factual evidence for investment in performance = sustainable, long- term value • Clearly mark building certi fi cation • Describe improvements over the status quo • Provide cost and long-term bene fi ts of improvement Appraisal
  • 125. Knowing is key • Provide a uniform place for certi fi ed building performance • Provide links to allow buyers to understand building certi fi cation • Put building performance in perspective with baseline Certificate Client Amy & Tim Eian 3406 Benjamin St. NE 55418 Minneapolis, United States of America TE Studio, Ltd. 901 23rd Ave. NE 55418 Minneapolis, United States of America Building TE Studio, Ltd. Services 901 23rd Ave. NE 55418 Minneapolis, United States of America Energy TE Studio, Ltd. 55418 Minneapolis, United States of America This building Alternative criteria Heating [kWh/(m²a)] 14 ≤ - [W/m²] 19 ≤ 10 Cooling [kWh/(m²a)] 6 ≤ 15 [W/m²] 9 ≤ 10 [%] - ≤ [%] 0 ≤ Airtightness Pressurization test result (n50) [1/h] 0.2 ≤ Non-renewable primary energy (PE) [kWh/(m²a)] 80 ≤ Renewable primary energy (PER) [kWh/(m²a)] 37 ≤ 37 [kWh/(m²a)] 104 ≥ 48 Weitnau, 30. October 2020 Certifier: Florian Lang - Raphaël Vibert, Herz & Lang GmbH www.passivehouse.com 28430_HuL_PH_20201030_FL 0.6 10 45 Passive House buildings offer excellent thermal comfort and very good air quality all year round. Due to their high energy efficiency, energy costs as well as greenhouse gas emissions are extremely low. The design of the above-mentioned building meets the criteria defined by the Passive House Institute for the 'Passive House Plus' standard: Consultant Frequency of excessively high humidity - - - 15 Authorised by: Certified Passive House Plus Good Energy Haus 3406 Benjamin St. NE, 55418 Minneapolis, USA 901 23rd Ave. NE Dr. Wolfgang Feist 64283 Darmstadt Germany Architect Herz & Lang GmbH Die Planer für energieeffizientes Bauen Ritzensonnenhalb 5a 87480 Weitnau, Germany The associated certification booklet contains more characteristic values for this building. Building quality Heating demand Heating load Cooling + dehumidification demand Cooling load Frequency of overheating (> 25 °C) PER-demand Generation (reference to ground area) PE demand 60 - Criteria 15 Listing
  • 126. Energy E ffi cient Mortgage • Tap existing and help create new fi nancing resources that acknowledges and bank on the performance of buildings • Currently: HERS rating, or DOE score • Simpli fi ed: Passive House check mark Financing
  • 127. Support for performance • Tax Incentives • Property Tax Exclusions • Cash for Clunkers • Utility Programs • Special Financing • Carbon Trade Incentives
  • 129. Principles and Metrics • Passive House applies to all building types, climate zone-speci fi c, anywhere in the world • Passive House is based on universal building science principles to deliver optimized energy ef fi ciency and a sustainable carbon footprint, superior human well-being and comfort, as well as life cycle cost savings • Passive House metrics are not arbitrary, or proprietary but absolute and provide measurable results with over 30 years of a proven track record, a vetted set of tools, countless case studies and fi eld studies all over the world, as well as an engaged Institute stakeholder with practitioner organizations in many places in the world including the U.S. • Passive House principles are the foundation for Climate-neutrality in the built environment • Passive House is endorsed by the UN as a solution for the sustainable future of buildings Resource: https://passivehouse.com, https://passivehouse-database.org/index.php?lang=en, https://theclimatecenter.org/north-americas-global-centres-excellence-building/
  • 130. Delivery and Certification • Passive House buildings are most cost-effective when implemented right from the outset and executed with the help of trained and experienced professionals • Passive House projects do not rely outside consultants and raters as Passive House design can be integrated into the architectural practice • Passive House projects do not require certi fi ed practitioners, or building certi fi cation (project certi fi cation has proven to deliver better project outcomes when compared to non-certi fi ed projects) • Passive House is not prescriptive in regards to the design, engineering, construction and materialities of buildings, e.g. it provides a lot of fl exibility to developers, architects and engineers • Passive House projects include energy modeling with the PHPP, which maximizes investment value through transparent accounting and reporting of meaningful results, as well as variant analysis • Passive House provides industry-leading life-cycle cost
  • 131. Passive House has a Clear Focus And partners well with other standards • Building Envelope: Energy avoidance, comfort and resiliency through“passive” measures • Mechanical: Healthy and e ffi cient operation through adequately sized, highly e ffi cient and sustainable systems • Electrical: Energy-e ffi cient, all-electric operation • Renewable Energy and Storage: PER metric for transparent accounting of footprint and “right-sizing” of the “green grid” • Building Materials: People and earth-friendly materials and construction • Reduction of embodied energy and carbon: PH Ribbon
  • 132. Delivers Architecture 2030 goals since 1991 • De fi nes long-term building quality and performance independent of energy supply • Reduces the amount of useful energy needed to operate a building signi fi cantly enabling an e ffi cient and e ff ective green grid • Applies to all building types, new construction and retro fi ts (EnerPHit) • Just makes better real estate Passive House
  • 133. What can I do? Ways to get into and support Passive House
  • 134. Actively think about and consider Passive House
  • 135. Experience a Passive House November 12-13, 2022
  • 136. Get Passive House trained and certified
  • 137. Training Opportunity Certi fi ed Passive House Tradesperson Training (not just for Contractors) • 5-day Passive House CPHT Builder Boot Camp • 2d Course + 2d Workshop + 3h Exam • In-person, hands-on, building science deep dive to become a PHI Certi fi ed Passive House Tradesperson (CPHT) • March 20 - 24, 2023 in Golden Valley (Mpls), Minneapolis • $2,000 Tuition • Information and Preregistration: training@phmn.org
  • 138. Always renovate and build new with Passive House
  • 139. Encourage Clients to renovate and build new Passive House
  • 140. Promote Passive House for developments, improvement and investment projects.
  • 141. Educate and generate demand for Passive House to eliminate the “chicken and egg” conversation, and get past the “greenwashing” noise
  • 142. Resources Get informed and join the community • Stakeholder: Passive House Institute https://passivehouse.com/ • Global Organization: International Passive House Association https://passivehouse-international.org • U.S. Organization & Training: The Passive House Network https://naphnetwork.org/ • Local Organization: Passive House Minnesota https://passivehouseminnesota.org/ • Knowledge Base: Passipedia https://passipedia.org/ • Community: Passive House Accelerator https://passivehouseaccelerator.com