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Project 1122

Ivy City Passive Houses Block A

Washington D.C., District of Columbia

Building Function

Multifamily
Project Type

New Construction
ASHRAE Climate Zone

4A - Mixed - Humid
Status

Certified
INT. Conditioned Floor Area

3775 ft²

Core Project Team

Phius Certified Verifier

Chris Conway
Phius Certified Rater

Chris Conway
Primary Reviewer

Lisa White

Project Information

- Developer
  
  Habitat for Humanity
- Construction Company
  
  Habitat for Humanity Washington D.C.
- Building Function
  
  Multifamily
- Project Type
  
  New Construction
- Construction Type
  
  Wood Frame
- Number of Units
  
  3
- Number of Stories
  
  2
- Program Version
  
  PHIUS+ 2012
- INT. Conditioned Floor Area
  
  3775 ft²
- Status
  
  Certified
- Design Certification
  
  October 10, 2015
- Final Certification
  
  January 6, 2016
- ASHRAE Climate Zone
  
  4A - Mixed - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  3.57 kBTU/ft².yr
- Annual Cooling Demand
  
  3.47 kBTU/ft².yr
- Peak Heating Load
  
  3.4 kBTU/ft².yr
- Peak Cooling Load
  
  2.52 kBTU/ft².yr
- Compliance Software
  
  PHPP
- Air Tightness (per enclosure area)
  
  0.012 CFM50/ft²

Enclosure

Systems & Equipment

- Air Tightness ACH50
  
  0.18 ACH50
- Measured Ventilation Fan Efficiency
  
  0.71 W/cfm
- Heating System Type
  
  Air Source Heat Pump