Project 1722

159 Allston Street

Cambridge, Massachusetts

Building Function

Multifamily
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Construction Completion

2021
Status

Final Certified
INT. Conditioned Floor Area

3689 sq. ft.

Core Project Team

Phius CPHC (Secondary)

Hans Breaux
Phius Certified Verifier

Michael Browne
Phius CPHC (Lead)

Ian Johnson
Project Submitter

Vitor Leite Goncalves

Project Information

- Architecture Planning
  
  Bruce Ronayne Hamilton Architects, Inc
- Mechanical Systems Designer
  
  Design Day Mechanicals, Inc
- Construction Company
  
  Kinsella Built
- Building Function
  
  Multifamily
- Project Type
  
  New Construction
- Construction Type
  
  Wood Frame
- Number of Units
  
  3
- Number of Stories
  
  3
- Program Version
  
  PHIUS+ 2018
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  3689 sq. ft.
- Status
  
  Final Certified
- Design Certification
  
  March 31, 2021
- Final Certification
  
  May 24, 2023
- Construction Completion
  
  2021
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  4.54
- Annual Cooling Demand
  
  6.43
- Peak Heating Load
  
  4.5
- Peak Cooling Load
  
  4.03
- Site Energy Use Index (EUI)
  
  21.26
- Site Energy Use Index (w/Renewables)
  
  12.5
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  5850
- Source Energy (Residential w/Renewables)
  
  3440
- Air Tightness (per enclosure area)
  
  0.048
- Average Compartmentalization
  
  0.14

Enclosure

- Wall 1 Type
  
  Framing with Continuous Insulation
- Wall 1 R-Value
  
  38
- Wall 1 Insulation Type
  
  Cellulose, PolyIso
- Wall 2 Type
  
  Framing with Continuous Insulation
- Wall 2 R-Value
  
  39
- Wall 2 Insulation Type
  
  Cellulose, PolyIso
- Wall 3 Type
  
  Framing with Continuous Insulation
- Wall 3 R-Value
  
  30
- Wall 3 Insulation Type
  
  XPS
- Roof 1 Type
  
  Unvented Roof
- Roof 1 R-Value
  
  77
- Roof 1 Insulation Type
  
  PolyIso, Cellulose
- Roof 2 Type
  
  Unvented
- Roof 2 R-Value
  
  17
- Roof 2 Insulation Type
  
  PolyIso
- Floor Type 1
  
  Basement Slab
- Floor 1 R-Value
  
  44
- Floor 1 Insulation Type
  
  XPS, Other
- Floor Type 2
  
  Overhang Floor
- Floor 2 R-Value
  
  65
- Floor 2 Insulation Type
  
  CCSPF, Other
- Floor Type 3
  
  Other
- Floor 3 R-Value
  
  37
- Floor 3 Insulation Type
  
  CCSPF, Mineral Wool
- Phius Certified Window
  
  Kohltech 2020 Supreme Wide Fixed
- Window Manufacturer 1
  
  Kohltech
- Window Product Name 1
  
  Supreme 2020 Wide Fixed
- Whole Window U-Value 1
  
  0.18
- Window Frame Material 1
  
  Vinyl
- Window Glazing SHGC 1
  
  0.61
- Window Manufacturer 2
  
  Kohltech
- Window Product Name 2
  
  CPVC Transom
- Whole Window U-Value 2
  
  0.24
- Window Frame Material 2
  
  Other
- Window Glazing SHGC 2
  
  0.58
- Window Manufacturer 3
  
  Kohltech
- Window Product Name 3
  
  Supreme 2020 Awning
- Whole Window U-Value 3
  
  0.17
- Window Frame Material 3
  
  Vinyl
- Window Glazing SHGC 3
  
  0.61
- Door Manufacturer
  
  Kohltech
- Door Product Name
  
  CPVC Inswing Door
- Whole Door U-Value
  
  0.31
- Door Frame Material
  
  Other

Systems & Equipment

Core Project Team

Project Team

Project Details

Phius Certification Milestones

Climate & Location

Modeled

Measured

Wall types

Roof types

Floor types

Window & Door types