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Project 1552

Squirrelwood - Building L

Cambridge, Massachusetts

Building Function

Multifamily
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Status

Final Certified
INT. Conditioned Floor Area

13400 sq. ft.

Core Project Team

Phius CPHB

Chris Becker
Phius CPHC (Secondary)

Alena Parunina
Phius Certified Verifier

Mark Norton
Phius CPHC (Lead)

Maciej Konieczny
Project Submitter

Maciej Konieczny

Project Information

- Construction Company
  
  Callahan Construction
- Building Function
  
  Multifamily
- Project Type
  
  New Construction
- Construction Type
  
  Wood Frame
- Number of Units
  
  14
- Number of Stories
  
  4
- Program Version
  
  PHIUS+ 2015
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  13400 sq. ft.
- Status
  
  Final Certified
- Design Certification
  
  March 10, 2020
- Final Certification
  
  April 3, 2023
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  3.04
- Annual Cooling Demand
  
  1.55
- Peak Heating Load
  
  3.01
- Peak Cooling Load
  
  2.47
- Site Energy Use Index (EUI)
  
  23.15
- Site Energy Use Index (w/Renewables)
  
  16.51
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  8449
- Source Energy (Residential w/Renewables)
  
  5917
- Air Tightness (per enclosure area)
  
  0.033

Enclosure

- Wall 1 Type
  
  Framing with Continuous Insulation
- Wall 1 R-Value
  
  37
- Wall 1 Insulation Type
  
  Cellulose, CCSPF
- Wall 2 Type
  
  All Insulation within Framing
- Wall 2 R-Value
  
  16
- Wall 2 Insulation Type
  
  Mineral Wool (Cavity)
- Roof 1 Type
  
  Vented Below Deck
- Roof 1 R-Value
  
  79
- Roof 1 Insulation Type
  
  PolyIso, Cellulose, Other
- Roof 2 Type
  
  Vented Below Deck
- Roof 2 R-Value
  
  47
- Roof 2 Insulation Type
  
  PolyIso, Mineral Wool
- Floor Type 1
  
  Slab on Grade
- Floor 1 R-Value
  
  25
- Floor 1 Insulation Type
  
  XPS
- Floor Type 2
  
  Overhang Floor
- Floor 2 R-Value
  
  54
- Floor 2 Insulation Type
  
  Mineral Wool, Other
- Floor Type 3
  
  Basement Slab
- Floor 3 R-Value
  
  9
- Floor 3 Insulation Type
  
  EPS
- Window Product Name 1
  
  Casement
- Whole Window U-Value 1
  
  0.13
- Window Frame Material 1
  
  Unplasticized Polyvinyl Chloride (uPVC)
- Window Glazing SHGC 1
  
  0.54
- Window Product Name 2
  
  Tilt
- Whole Window U-Value 2
  
  0.14
- Window Frame Material 2
  
  Unplasticized Polyvinyl Chloride (uPVC)
- Window Glazing SHGC 2
  
  0.54
- Window Manufacturer 3
  
  Lamilux
- Window Product Name 3
  
  Skylight
- Whole Window U-Value 3
  
  0.18
- Window Frame Material 3
  
  Aluminum
- Window Glazing SHGC 3
  
  0.32
- Whole Door U-Value
  
  0.23

Systems & Equipment

- Range Hood Type
  
  Recirculation
- Dryer Type
  
  Vented