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April 16 – 17

Phius Policy Summit 2024 - April 16-17
Explore the impact and future of passive policy at this year's Phius spring summit
Upcoming Sessions
- Phius Policy Summit 2024 - April 16-17
  April 16 – 17
- Phius Certified Consultant Design Exam | April 2024
  April 19 – May 19
- Phius Certified Builder Training and Certification Exam | April 2024
  April 22 – May 3
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  May 1
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Project 2029

Tillstrom House

Damascus, Oregon

Building Function

Single-Family
Project Type

New Construction
ASHRAE Climate Zone

4C - Mixed - Marine
Status

Final Certified
INT. Conditioned Floor Area

2232 sq. ft.

Core Project Team

Phius CPHB

John Botts
Phius Certified Rater

Marc Cregeur
Phius CPHC (Lead)

Ben Valentin
Project Submitter

Ben Valentin

Project Information

- Architecture Planning
  
  Birdsmouth Design | Build
- Construction Company
  
  Birdsmouth Design | Build
- Building Function
  
  Single-Family
- Project Type
  
  New Construction
- Number of Units
  
  1
- Number of Stories
  
  1
- Program Version
  
  Phius ZERO 2021
- ADD'L Certification Badges
  
  PHIUS+ Source Zero
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  2232 sq. ft.
- Status
  
  Final Certified
- Design Certification
  
  May 24, 2022
- Final Certification
  
  May 23, 2023
- ASHRAE Climate Zone
  
  4C - Mixed - Marine
- Region
  
  Northwest

Performance

- Annual Heating Demand
  
  5.73
- Annual Cooling Demand
  
  2.37
- Peak Heating Load
  
  4.04
- Peak Cooling Load
  
  2.62
- Site Energy Use Index (EUI)
  
  11.9
- Site Energy Use Index (w/Renewables)
  
  -0.42
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  3504
- Air Tightness (per enclosure area)
  
  0.039

Enclosure

- Wall 1 Type
  
  Framing with Continuous Insulation
- Wall 1 R-Value
  
  28
- Wall 1 Insulation Type
  
  Cellulose
- Wall 2 Type
  
  All Insulation within Framing
- Wall 2 R-Value
  
  21
- Wall 2 Insulation Type
  
  Cellulose
- Roof 1 Type
  
  Vented Above Deck
- Roof 1 R-Value
  
  63
- Roof 1 Insulation Type
  
  Cellulose
- Roof 2 Type
  
  Vented Above Deck
- Roof 2 R-Value
  
  60
- Roof 2 Insulation Type
  
  Cellulose
- Floor Type 1
  
  Slab on Grade
- Floor 1 R-Value
  
  22
- Floor 1 Insulation Type
  
  XPS
- Window Manufacturer 1
  
  Glo
- Window Product Name 1
  
  A5 Tilt Turn
- Whole Window U-Value 1
  
  0.15
- Window Frame Material 1
  
  Aluminum
- Window Glazing SHGC 1
  
  0.53
- Window Manufacturer 2
  
  Glo
- Window Product Name 2
  
  A7 Glazed Door
- Whole Window U-Value 2
  
  0.18
- Window Frame Material 2
  
  Aluminum
- Window Glazing SHGC 2
  
  0.53
- Window Manufacturer 3
  
  Glo
- Window Product Name 3
  
  A5 Fixed
- Whole Window U-Value 3
  
  0.13
- Window Frame Material 3
  
  Aluminum
- Window Glazing SHGC 3
  
  0.53

Systems & Equipment