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Project 1761

Orkney St. Passive House

Philadelphia, Pennsylvania

Building Function

Single-Family
Project Type

New Construction
ASHRAE Climate Zone

4A - Mixed - Humid
Construction Completion

2023
Status

Final Certified
INT. Conditioned Floor Area

1673 sq. ft.

Core Project Team

Phius Certified Rater

David Berg
Phius CPHB

Ralph Loielo
Phius CPHC (Lead)

Matthew Gindlesparger
Project Submitter

Matthew Gindlesparger
Primary Reviewer

Al Mitchell

Project Information

- Architecture Planning
  
  Lauren Thomsen Design
- Building Owner
  
  Tracy & Jane Brown
- Mechanical Systems Designer
  
  Mt. Weather Engineering
- Construction Company
  
  Scribe Design Build
- Building Function
  
  Single-Family
- Project Type
  
  New Construction
- Construction Type
  
  Wood Frame
- Number of Units
  
  1
- Number of Stories
  
  4
- Program Version
  
  PHIUS+ 2018 CORE
- INT. Conditioned Floor Area
  
  1673 sq. ft.
- Status
  
  Final Certified
- Design Certification
  
  September 30, 2021
- Final Certification
  
  March 11, 2024
- Construction Completion
  
  2023
- ASHRAE Climate Zone
  
  4A - Mixed - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  5.68
- Annual Cooling Demand
  
  6.62
- Peak Heating Load
  
  4.63
- Peak Cooling Load
  
  3.37
- Site Energy Use Index (EUI)
  
  22.08
- Site Energy Use Index (w/Renewables)
  
  15.86
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  7578
- Source Energy (Residential w/Renewables)
  
  5406
- HERS Rating
  
  34
- HERS Rating w/Renewables
  
  19
- Air Tightness (per enclosure area)
  
  0.049

Enclosure

- Wall 1 R-Value
  
  36
- Roof 1 R-Value
  
  78
- Floor 1 R-Value
  
  12
- Whole Window U-Value 1
  
  0.15
- Window Glazing SHGC 1
  
  0.33

Systems & Equipment

- Renewable Energy Type(s)
  
  On-Site PV
- Renewable Energy Annual Production
  
  3864
- Renewable Energy System Size
  
  3.2