Download - Passive House FOR A 1500 SF HOUSE OR SMALL OFFICE, YOU …€¦ · Passive House. FOR A 1500 SF HOUSE OR SMALL OFFICE, YOU CAN HEAT WITH A 1500 WATT HAIR DRYER. 4-1-2015. Passive

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Passive House

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FOR A 1500 SF HOUSE OR SMALL OFFICE, YOU CAN HEAT WITH A 1500 WATT HAIR DRYER

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Passive House for Multi-Family and Commercial Buildings

PRESENTATION OBJECTIVES

Introduction to Passive House

Outline the Design Strategies for Passive House

Commercial and Multi-residential Case Studies

Resources to dig deeper

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THANK YOU FOR ALLOWING ME TO EVANGELIZE MY PASSION.

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IntroductionMike Kapp, Architect

LEED AP BD+C• Leadership in Energy & Environmental Design Accredited

Professional Specialty in Building Design & Construction

CSBA• Certified Sustainable Building Advisor

CPHC• Certified Passive House Consultant

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First a little bit about me. Licensed Architect in CA, working on getting my NC license now. USGBCI CSBA by Sustainable Building Advisor Institute PH Institute

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Mission: To improve the way people make and use energy every day.

Jamie Hager HERS Rater

NAHB Certified Green Professional LEED and NGBS Green Verifier

Passive House Rater

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Climate Change

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THESE ARE THE KINDS OF THINGS THAT KEEP ME AWAKE AT NIGHT WE NEED TO GET BACK TO 350 PARTS PER MILLION TO BE SUSTAINABLE CURRENT ESTIMATES INDICATE WE ARE OVER 400 PPM NOW.

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Recent Past, 1961 - 1979 Lower Emissions Scenario, 2080-2099 Higher Emissions Scenario, 2080-2099

The number of days in which the temperature exceeds 100˚F by late this century

temperature map images: U.S. Global Change Research Program

OUR CLIMATE IS

CHANGING

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Slide 14

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Wrightsville Beach, NC

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Wrightsville Beach-2m Sea Level Rise

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BUILDINGS PLAY A BIG PARTBUILDINGS ACCOUNT FOR ALMOST HALF THE CO2 EMMISSIONS

energy use and CO2 emissions per capita and by sector

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HOW BIG?Reference: Energy Efficiency and Renewable Energy, U.S. Dept. of Energy

U.S. BUILDINGS ACCOUNT FOR MORE EMISSIONS WORLDWIDE THAN JAPAN, FRANCE & UK COMBINED

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The Problem

We design to Minimum Standards

Design – Bid – Build delivery method

We don’t use Integrated Project Delivery (IPD)

Monitoring – If you can’t measure it, you can’t manage it

Separation of funding (Building vs Operation)

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IPD ENSURES THAT THE ENTIRE TEAM IS LEVERAGING SYNERGIES TO MAKE THE ENTIRE PROJECT A SUCCESS. SO YOU DON’T HAVE ONE COMPONENT OF THE TEAM ONLY WORRIED ABOUT COVERING THEIR ASSETS WE ARE STILL LEARNING HOW BUILDINGS WORK AS A WHOLE.. WE NEED TO KNOW WHAT’S GOING ON INSIDE THE BUILDING, INSIDE THE WALL ASSEMBLY AND INSIDE THE ROOF ASSEMBLY TO HELP COMMISSION IT.

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MUCH WONDERFUL “ORGANIC” DESIGNIS STILL EXCEEDINGLY

WASTEFUL

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Passive House

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There are many different certifications out there. And they all have their place in the Sustainable world of building. But the best path to Net Zero Energy is to reduce your energy consumption as much as possible before you can reach Net Zero Energy. The best way to get your consumption down is PH.

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Passive House

Heating/Cooling Energy Savings 75% or more

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SOME BUILDINGS IN EUROPE HAVE ACHIEVED 90% SAVINGS THAT REQUIRES SOME LIFESTYLE ADJUSTMENTS AMERICANS MIGHT NOT BE READY FOR JUST YET

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Passive House

ROCKET SCIENCE

BUILDING SCIENCE!!

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IT’S ALL BASED ON PHYSICS, IT’S MEASURABLE, AND PREDICTABLE.

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Defined by a set of principlesPASSIVE HOUSE

A SET OF

DESIGN PRINCIPLES :

•Continuous insulation, no thermal bridges

•Air-tight construction

•Optimized window performance & solar gain

•Balanced heat recovery ventilation

•Minimized mechanical system

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CONTINUOUS INSULATION

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Passive House

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Thermography of new passive house retrofit project in NY

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Passive House

source: www.freshome.com

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Thermography of new passive house retrofit project in NY

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Passive House

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WINDOWS ARE YOUR WEAKLEST LINK IN YOUR BUILDING ENVELOPE. YOU HAVE TO USE GOOD WINDOWS. NOT PRETTY GOOD…..REALLY GOOD. R-7 WINDOWS ARE EXPECTED TO LAST 50 YEARS OR MORE

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Passive House

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THE “M” WORD NO ONE IN FACILITIES WANTS TO HEAR THE “M” WORD

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Passive House

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DECAY YOUR BUILDING IS ROTTING

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Passive House

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THERMOGRAPHIC IMAGES MORE THAN 12 DEGREE DIFFERENCE IN THE SURFACE TEMPERATURE OF NEW WINDOWS COMPARED TO OLD

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THERMAL BRIDGE FEE CONSTRUCTION

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Passive House

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Aqua Condominiums, Chicago Harley Davidson motor BOTHER ARE BEAUTIFUL DESIGNS OF COOLING FINS THE SLAB EDGES ARE DISSIPATING THE HEAT INSIDE THE UNITS

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MINIMIZE LOSS/GAIN:

ELIMINATING THERMAL BRIDGES IN LOW LOAD

CONSTRUCTION CAN CUT OVERALL BUILDING HEAT

LOSS IN HALF

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Passive House

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Passive House

source: www.schock-us.com

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Thermal break solutions by Schock Isokorb Uses stainless steel reinforcing with engineered foam for thermal break.

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Passive House

source: www.schock-us.com

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DEFINING THE AIR-TIGHTNESS LAYER: DESIGNING WALL/ROOF/SLAB DETAILS WITH AIR-TIGHTNESS CONSIDERED

MOISTURE PERFORMANCE:AIR-TIGHTNESS

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MINIMIZE LEAKAGE:ENVELOPE PENETRATIONS

Minimize penetrations OR combine: example - all plumbing fixtures to one vent or the use of AAV’s

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Can’t find images

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Passive House

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ERVs WORK TO LIMIT THE AMOUNT OF MOISTURE ENTERING THE ENVELOPE MOISTURE CARRIES ENERGY OTHERWISE KNOWN AS LATENT HEAT

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Smith House Urbana Illinois,

PASSIVE BUILDINGSCASE STUDIES

© 2015 PHIUS 37

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Passive House

source: www.structuresdb.com

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Ben Gates PHNW 2011 conference presentation: www.phnw.org/conference-presentations

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Phased Retrofit Plan of Action Developed• Phase 1 (implemented in 2012)

– Replaced single-pane aluminum windows were replaced with high-performance triple-pane, fiberglass

• Reduced Energy Usage by 30%• www.greenhammer.com/insight/cas

e-studies/mark-o-hatfield-building-case-study/

“With keen attention to detail and good communication, they helped us create a plan for phased energy efficiency improvements that worked with our financial constraints and continuous occupancy. “ –Building Owner, Central City Concern

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which the current tenants have been very pleased with for both thermal and acoustic reasons. The second phase will involve mechanical systems upgrades including the installation of heat-recovery ventilation for all units, and eventually a foam insulation wrap of the concrete structure is planned to provide the last critical component of the energy upgrade.

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Happy Meadows Courtyard House

Newphire Building www.newphirebuilding.com

• 2567 heated sq ft• Final HERS -1• Geothermal Heating

and Cooling• Heat Pump Water

Heater• Super Insulated Shell• Tight Envelope• Crazy good Windows• LED Lighting• Energy Star Appliances

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Precast Wall System• Continuous insulation R

26.5• Reduced thermal bridging

with slab connection• R 19 under slab

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Tight Envelope

• R 26.5 perimeter slab• R 45 walls • R 111 ceiling• Window U value .14• 0.55 ACH 50

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Smart Systems, Integrated Design

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--5.4 kW Solar System--Regenerative Landscaping--Watersense toilets, faucets and showerheads--Zero VOC finishes--Net Zero Occupants

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Annual Energy Costs are ESTIMATES generated from the REMRate energy modeling, solar usage graph at bottom shows there may be more plug loads or energy used not accounted for in the REM. Worth investigating once homeowner has lived in home through a heating or cooling season.

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Lessons Learned

• Air leaks in silly places• Get everyone on board early• Keep subs informed

throughout process• It’s not just about Energy

– Hot Water Delivery – Indoor Air Quality– Net Zero Occupant

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Visit this home in May!

1st Weekend May 2-3, 2nd Weekend May 9-10 30 Homes on Tour Homes open 12-5pm

http://hbadoc.com/index.php/events/green-home-tour

Newphire Building www.newphirebuilding.com

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Orenco Station, Portland, OR

PASSIVE BUILDINGS

Orenco Station, Portland, OR

© 2015 PHIUS

The Orchards at Orenco: The largest pre-certified passive building in the United States. This 57-unit affordable housing complex is in Hillsboro, Ore., and is currently under construction. CPHC:Dylan Lamar.

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http://www.greenhammer.com/about/our-team/dylan-lamar/

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The Orchards, Portland OR

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Passive House

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Passive House School

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This was a school renovation in Germany. One classroom was retrofitted to the PH standard. Higher levels of oxygen due to air changes kept students awake and alert. Test scores increased dramatically. All the teachers fought over who would get the room.

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Bushbury Hill Primary School, UKNo Additional Cost to achieve Passivhaus

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University of Chicago

source: www.gologic.us

Warren Woods Ecological Field StationFirst Passive House Certified Lab in North America

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Interserve Office Building, UK• $41,000 Savings per year in Energy Cost• 13% Reduction in Sick Leave among Staff

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McKeesport YMCA Renovation

source: www.thoughtfulbalance.com

source: www.honestbuildings.com

Sol-Lux Alpha

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Knickerbocker Project, Brooklyn, NY

PASSIVE BUILDINGS

Uptown Lofts, Pittsburgh, PA

© 2015 PHIUS

http://www.nytimes.com/2015/03/29/realestate/the-passive-house-in-new-york-city.html

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Resources

Passive House Alliance(NC Chapter coming soon!)

www.phius.org/alliance/home

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Resources• The Klingenblog Passive House US Blog post from

June 30, 2014 featuring multifamily projects http://passivehouse.us/blog/?p=971

• Passive House Northwest Chapter: www.phnw.org/conference-presentations

• Hammer & Hand – leading building and consulting firm for passive house commercial, multi and single family residential; Great videos too! http://hammerandhand.com

• Green Hammer – multifamily “Passivhausing” projects case studies www.greenhammer.com/insight/case-studies

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PHNW Chapter seems to be active as well as have lots of multifamily case studies/projects in process

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Thank youJamie Hager

Green Building SpecialistSouthern Energy [email protected]

Mike KappNCSU Capital Project Management

[email protected]