Passive House Northwest
AIA CEU Provider
Passive House Case Studies: Roy
Passivhaus, Owl Haven Passive,
and View Haus 5
AIA Course # phnw087
Various
March 27, 2015
Owl Haven Passive
Owl Haven Passive House
Who Am I ?
Owl Haven Passive House
Owner
Ken Dickey
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Coming From 20 Cent Ideal
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Coming From 20 Cent Ideal
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Coming From 20 Cent Ideal
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Coming From 20 Cent Ideal
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Coming From 20 Cent Ideal
Build a Passive House?
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Large Risks
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Don't See What You Are Buying [vs built]
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Not the Obvious thing to do [Not Bandwagon]
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Not an Investment [$]
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Not Low Stress
Build a Passive House?
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Large Risks
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Don't See What You Are Buying [vs built]
●
Not the Obvious thing to do [Not Bandwagon]
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Not an Investment [$]
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Not Low Stress
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Not a Rational Decision !
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21 Century Ideal – Low Carbon Lifestyle
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“Walk in Beauty”
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Sustainability Ethic
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Downsize & Simplify
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Character – a Home, not a Building
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Simple Elegance
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Align Actions with Values
Get Off Carbon
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21 Century Ideal – Low Carbon Lifestyle
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21 Century Ideal – Low Carbon Lifestyle
Owl Haven Passive
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Location:
Whidbey Island
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Topology:
single level for couple [1 bedrm, 1 toilet!]
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PH Floor Area:
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Design: Robert Moore, Architect
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Build: Richard Epstein, Inc.
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Owners: Ken & Ellen Dickey
1719 sq ft
Owl Haven Passive
Air Seal; CDF; 14” EPS; Slab-on-grade
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Foundation:
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Wall:
2x6 Stud; 7” Cork; Rain Screen; Cement Board
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Roof:
34”+ Blown in Fiberglass; Metal Roof
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Windows:
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Ventilation:
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Supplemental Heat:
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Lighting:
LED
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Air Seal:
StegoWrap / PROSOCO >> 0.45 ACH50
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[Wired for PV on S facing garage]
Intus triple glazed
Zehnder CA 200 HRV [92% efficient]
radiant cove electric [99+%
efficient]
Build Site
Build Site
Floor Plan
Floor Plan
As Realized
As Realized
Foundation
Foundation
Wall System
Wall System
Wall System
Wall System
Wall System
Wall System
Amorim ThermaCork
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Not a tree, but a house coated in 7” of tree bark
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Low embodied energy (boiler burns cork dust)
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Sequesters large amount of carbon
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Bugs hate it; Waterproof; R4-inch; Quiet!
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Nothing added – no fire retardants; non-toxic
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Harvested sustainably since Roman times
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Cork Forrest own ecology niche; rare species
Wall System
Wall System
Wall System
Air Barrier
Air Sealing Detail
Drop Ceiling / Race
Drop Ceiling / Race
Drop Ceiling / Race
Drop Ceiling / Race
Drop Ceiling / Race
Drop Ceiling / Race
Minimize Air Seal Penetrations
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Ceiling – Unified Plumbing Vent
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Slab – Water In, Septic Out
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Walls
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HRV Supply & Exhaust
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DHW Pressure Relief + HRV Condensation Drain
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Electrical Cables [2 pipes; SubPanel inside air seal]
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Windows [ many! ]
Drop Ceiling / Race
Drop Ceiling / Race
Drop Ceiling / Race
Drop Ceiling / Race
Wall Sconces
Breezeway
Breezeway
Breezeway
Lessons
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Prefer Poly Air Seal above CDF below EPS
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Layered Wall System Labor Inten$ive
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Would have liked Cork SIPs
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Not cheap: $ 230 / sq ft, but we love it !
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You will make mistakes somewhere
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If you don't require perfection, your life can be
perfect !
It takes a village to raise a house
Owl Haven Passive Q & A
Owl Haven Passive
Owl Haven Passive
Owl Haven Passive
Owl Haven Passive
Owl Haven Passive
Owl Haven Passive
Owl Haven Passive
Owl Haven Passive
Owl Haven Passive
Owl Haven Passive
Owl Haven Passive
Owl Haven Passive
Passive House Northwest
AIA CEU Provider
Passive House Case Studies: Roy
Passivhaus, Owl Haven Passive,
and View Haus 5
AIA Course # phnw087
Various
March 27, 2015
Credit(s) earned on completion of this course will be reported
to AIA CES for AIA members. Certificates of Completion for
both AIA members and non-AIA members are available upon
request.
This course is registered with AIA CES for continuing
professional education. As such, it does not include content
that may be deemed or construed to be an approval or
endorsement by the AIA of any material of construction or
any method or manner of
handling, using, distributing, or dealing in any material or
product.
___________________________________________
Questions related to specific materials, methods, and services will be addressed at the
conclusion of this presentation.
Copyright Materials
This presentation is protected by US and International Copyright
laws. Reproduction, distribution, display and use of the
presentation without written permission of the speaker is
prohibited.
© George Ostrow et al
Course
Description
A comprehensive look into three projects
utilizing green building science in the
Pacific Northwest. Two single family
residences and one town home project,
each demonstrating distinctive high
performance, Passive House standards.
Learning
Objectives
At the end of the this course, participants will be able
to:
1.
Participants will be able to summarize energy efficiency, ventilation, design, and
construction criteria for the Passive house standard;
2.
Participants will be able to identify technical challenges of applying passive house
design principles to both single-family residential and multi-family housing;
3.
Participants will be able to identify key cost premiums and constructability
challenges;
4.
Attendees will be able to apply lessons learned to reduce future costs and
barriers to adoption for this aggressive energy efficiency standard.
This concludes The American Institute of
Architects Continuing Education Systems
Course
Passive House Northwest
education@phnw.org