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Passive House Primer

Published on Nov 18, 2015

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PRESENTATION OUTLINE

1.

Passive House

A primer for people
2.

What's Passive House?

A high-performance energy standard that's not just for homes
3.

Passive House logic:

Step 1. Design with low-tech passive strategies...
Photo by DaKohlmeyer
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Passive House logic

to minimize heating + cooling demands
Photo by arcreyes [-ratamahatta-]
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and reduce HVAC system loads.

Photo by Michael Casey
6.

Step 2. Install efficient lighting, equipment + appliances...

Photo by Concentrated Passion
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to minimize use of our limited energy resources.

Photo by kuyman
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Be supremely comfortable

Photo by Steve Snodgrass
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and save money to spend on more fun things!

Photo by massimo ankor
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Passive House Standard

How is it defined?
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Only Three Criteria:

1. Annual space heating + cooling demand per sq.ft
Photo by DogFromSPACE
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2. Annual total energy use per sq.ft

Photo by Michael Kappel
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3. Envelope air tightness

Photo by local louisville
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Okay, I'm sold

How do I create a Passive House?
Photo by ultraBobban
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Passive House Principles...

Let's start with
Photo by Rob Swatski
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for typical heating-dominated buildings.

Photo by ChaoticMind75
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Compact Shapes

Maximize volume and minimize surface area
Photo by Daniel Y. Go
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Insulation

Properly install + use plenty of
Photo by Timmy Toucan
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Thermal Bridging

Eliminate it from your details (don't do this!)
Photo by French Disko
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Airtight enclosures

Build tight, ventilate right
Photo by BillSmith_03303
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Fresh air

Bring the outside in
Photo by jah~
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Heat Recovery Ventilation

Provide optimal air quality with minimal energy use
Photo by a4gpa
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High-performance windows

Strategically place + specify
Photo by www.thameralhassan.com Thamer Al-Hassan
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Have your sun

Photo by dsevilla
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and shade it, too!

Photo by beaucon
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West [+east]

Modest window areas with external vertical shading
Photo by Cirano
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North

Minimal window areas
Photo by izarbeltza
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South

Ample windows shaded to allow solar gains in winter, block in summer
Photo by Jeremy Levine Design
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Passive Solar v1.0

Lots of heavy, expensive thermal mass
Photo by Steven Vance
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Passive Solar v2.0

"Smart thermal mass" = phase change materials (PCMs)
Photo by sheggy
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High-efficiency equipment

Provide for heating + cooling demands efficiently
Photo by rockriver

Katy Hollbacher

beyondefficiency.us