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December 1 – January 16

Phius Certified Trades Professional - Enclosure Specialist Training | December 2025 & January 2026 | Portland, OR
Become a Phius Enclosure Specialist!
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Project 1120

Aamodt Passive House

Velocipede (George Ostrow

Carnation, Washington

Building Function

Single-Family
Project Type

New Construction
ASHRAE Climate Zone

4C - Mixed - Marine
Status

Certified
INT. Conditioned Floor Area

1624 ft²

Core Project Team

Phius Certified Verifier

Tom Balderston
Phius Certified Rater

Tom Balderston
Secondary Reviewer

Lisa White
Primary Reviewer

Ryan Abendroth

Project Information

- Developer
  
  Gary Aamodt
- Architecture Planning
  
  Velocipede (George Ostrow
- Mechanical Systems Designer
  
  Gary Aamodt
- Construction Company
  
  Homeowners
- Building Function
  
  Single-Family
- Project Type
  
  New Construction
- Construction Type
  
  Wood Frame
- Number of Units
  
  1
- Number of Stories
  
  1
- Program Version
  
  PHIUS+ 2012
- INT. Conditioned Floor Area
  
  1624 ft²
- Gross Floor Area
  
  1624 ft²
- Market Category
  
  Market Rate
- Status
  
  Certified
- Design Certification
  
  October 4, 2012
- Final Certification
  
  October 13, 2017
- ASHRAE Climate Zone
  
  4C - Mixed - Marine
- Region
  
  Northwest

Performance

- Compliance Software
  
  PHPP
- HERS Rating
  
  -4
- HERS Rating w/Renewables
  
  -4
- Air Tightness (per enclosure area)
  
  0.022 CFM50/ft²

Enclosure

- Facade Type
  
  Metal Panels

Systems & Equipment

- Air Tightness ACH50
  
  0.6 ACH50
- Heating System Manufacturer
  
  Thermolec
- Heating System Product Name
  
  ZON-6-2240 240 V
- Heating System Type
  
  Electric Resistance