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Project 1235

Sonoran Desert Passive

Brubaker Architects

Tucson, Arizona

Building Function

Single-Family
Project Type

New Construction
ASHRAE Climate Zone

2B - Hot - Dry
Status

Certified
INT. Conditioned Floor Area

2925 ft²

Core Project Team

Phius Certified Rater

Michael Bestenlehner
Phius CPHC (Lead)

David Brubaker
Project Submitter

David Brubaker
Primary Reviewer

Lisa White

Project Information

- Architecture Planning
  
  Brubaker Architects
- Building Function
  
  Single-Family
- Project Type
  
  New Construction
- Number of Units
  
  1
- Program Version
  
  PHIUS+ 2015
- INT. Conditioned Floor Area
  
  2925 ft²
- ADD'L Certifications
  
  DOE ZERH, ENERGY STAR for Homes, EPA Indoor airPLUS
- Status
  
  Certified
- Design Certification
  
  December 12, 2016
- Final Certification
  
  August 20, 2021
- ASHRAE Climate Zone
  
  2B - Hot - Dry
- Region
  
  Southwest

Performance

- Annual Heating Demand
  
  0.23 kBTU/ft².yr
- Annual Cooling Demand
  
  8.5 kBTU/ft².yr
- Peak Heating Load
  
  1.61 kBTU/ft².yr
- Peak Cooling Load
  
  3.32 kBTU/ft².yr
- Site Energy Use Index (EUI)
  
  12.02 kBTU/ft².yr
- Site Energy Use Index (w/Renewables)
  
  7.36 kBTU/ft².yr
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  8139 kWh/person.yr
- Source Energy (Residential w/Renewables)
  
  5200 kWh/person.yr
- Air Tightness (per enclosure area)
  
  0.027 CFM50/ft²

Enclosure

Systems & Equipment

- Measured Ventilation Fan Efficiency
  
  0.3 W/cfm
- Renewable Energy Type(s)
  
  On-Site PV