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Project 1953

12 Fayette Street

Cambridge, Massachusetts

Building Function

Single-Family
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Construction Completion

2022
Status

Design Certified
INT. Conditioned Floor Area

3247 sq. ft.

Core Project Team

Phius CPHC (Lead)

Jordan Goldman
Project Submitter

Jordan Goldman
Primary Reviewer

John Loercher

Project Information

- Building Function
  
  Single-Family
- Project Type
  
  New Construction
- Construction Type
  
  Wood Frame
- Number of Units
  
  1
- Number of Stories
  
  2
- Program Version
  
  PHIUS+ 2018
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  3247 sq. ft.
- Status
  
  Design Certified
- Design Certification
  
  May 11, 2022
- Construction Completion
  
  2022
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  6.35
- Annual Cooling Demand
  
  4.09
- Peak Heating Load
  
  4.69
- Peak Cooling Load
  
  3.44
- Site Energy Use Index (EUI)
  
  11.88
- Site Energy Use Index (w/Renewables)
  
  1.02
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  5513
- Source Energy (Residential w/Renewables)
  
  473
- Air Tightness (per enclosure area)
  
  0.06

Enclosure

- Wall 1 Type
  
  Framing with Continuous Insulation
- Wall 1 R-Value
  
  43
- Wall 1 Insulation Type
  
  Cellulose, PolyIso
- Wall 2 Type
  
  Other
- Wall 2 R-Value
  
  43
- Wall 2 Insulation Type
  
  Mineral Wool, Other
- Roof 1 Type
  
  Unvented Roof
- Roof 1 R-Value
  
  68
- Roof 1 Insulation Type
  
  PolyIso, Cellulose
- Floor Type 1
  
  Basement Slab
- Floor 1 R-Value
  
  27
- Floor 1 Insulation Type
  
  EPS
- Window Manufacturer 1
  
  Makrowin
- Window Product Name 1
  
  MW88 Operable, SGG XN
- Whole Window U-Value 1
  
  0.16
- Window Glazing SHGC 1
  
  0.54
- Window Manufacturer 2
  
  Lamilux
- Window Product Name 2
  
  FE
- Whole Window U-Value 2
  
  0.3
- Window Glazing SHGC 2
  
  0.31
- Door Manufacturer
  
  Yaro
- Door Product Name
  
  Energy+ Lift/Slide, SGG XN
- Whole Door U-Value
  
  0.18

Systems & Equipment

- Ventilation System Manufacturer
  
  Zehnder
- Ventilation System Product Name
  
  ComfoAir Q450
- Ventilation System Layout
  
  Centralized
- Ventilation System Type
  
  ERV
- Sensible Recovery Efficiency
  
  83
- Latent Recovery Efficiency
  
  71
- Measured Ventilation Fan Efficiency
  
  0.36
- Heating System Manufacturer
  
  Mitsubishi
- Heating System Product Name
  
  SUZ-KA09NAHZ & SUZ-KA12NAHZ
- Heating System Type
  
  Air Source Heat Pump
- Cooling System Manufacturer
  
  Mitsubishi
- Cooling System Product Name
  
  SUZ-KA09NAHZ & SUZ-KA12NAHZ
- Cooling System Type
  
  Air Source Heat Pump
- Hot Water System Manufacturer
  
  Rheem
- Hot Water System Product Name
  
  PROPH80 T2 RH375
- Hot Water System Layout
  
  Centralized
- Hot Water System Type
  
  Heat Pump Water Heater
- Range Hood Type
  
  Exhaust
- Dryer Type
  
  Non-Vented
- Renewable Energy Type(s)
  
  On-Site PV
- Renewable Energy Annual Production
  
  9000
- Renewable Energy System Size
  
  7.5