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Project 1291

Rammed Earth Passive House

Coeur d'Alene, Idaho

Building Function

Single-Family
Project Type

New Construction
ASHRAE Climate Zone

5B - Cool - Dry
Status

Final Certified
INT. Conditioned Floor Area

3505 sq. ft.

Core Project Team

Phius Certified Rater

Peter Anderson
Phius CPHC (Secondary)

Maren Longhurst
Phius CPHC (Lead)

Sam Rodell
Project Submitter

Sam Rodell
Primary Reviewer

Lisa White

Project Information

- Architecture Planning
  
  Sam Rodell Architects
- Building Owner
  
  Rob and Diane Rutherford
- Construction Company
  
  Andy Smith and Mike Ridlehoover, Edwards Smith Construction LLC
- Building Function
  
  Single-Family
- Project Type
  
  New Construction
- Construction Type
  
  Wood Frame
- Number of Units
  
  1
- Program Version
  
  PHIUS+ 2015
- INT. Conditioned Floor Area
  
  3505 sq. ft.
- ADD'L Certifications
  
  DOE ZERH, ENERGY STAR for Homes, EPA Indoor airPLUS
- Status
  
  Final Certified
- Design Certification
  
  February 22, 2018
- Final Certification
  
  June 6, 2018
- ASHRAE Climate Zone
  
  5B - Cool - Dry
- Region
  
  Northwest

Performance

- Annual Heating Demand
  
  5.26
- Annual Cooling Demand
  
  0.74
- Peak Heating Load
  
  4.64
- Peak Cooling Load
  
  1.84
- Site Energy Use Index (EUI)
  
  10.87
- Site Energy Use Index (w/Renewables)
  
  9.59
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  7057
- Source Energy (Residential w/Renewables)
  
  6223
- Air Tightness (per enclosure area)
  
  0.043

Enclosure

- Wall 1 Type
  
  Other
- Wall 1 Insulation Type
  
  EPS
- Wall 2 Type
  
  Framing with Continuous Insulation
- Wall 2 R-Value
  
  60
- Wall 2 Insulation Type
  
  Fiberglass
- Roof 1 R-Value
  
  85
- Floor 1 R-Value
  
  32
- Floor 1 Insulation Type
  
  EPS

Systems & Equipment

- Measured Ventilation Fan Efficiency
  
  0.7
- Heating System Manufacturer
  
  Unico
- Heating System Type
  
  Air Source Heat Pump