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Project 2475

Old Colony Phase Six

Boston, Massachusetts

Building Function

Multifamily
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Status

Design Certified
INT. Conditioned Floor Area

115014 sq. ft.

Core Project Team

Phius Certified Verifier

Mark Norton
Phius CPHC (Lead)

Maciej Konieczny
Project Submitter

Sabrina Larkin

Project Information

- Building Function
  
  Multifamily
- Project Type
  
  New Construction
- Number of Units
  
  89
- Number of Stories
  
  5
- Program Version
  
  Phius CORE 2021
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  115014 sq. ft.
- Status
  
  Design Certified
- Design Certification
  
  April 15, 2024
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  2.57
- Annual Cooling Demand
  
  2.9
- Peak Heating Load
  
  2.73
- Peak Cooling Load
  
  2.51
- Site Energy Use Index (EUI)
  
  16.01
- Site Energy Use Index (w/Renewables)
  
  16.01
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  3572
- Source Energy (Residential w/Renewables)
  
  3572
- Air Tightness (per enclosure area)
  
  0.06

Enclosure

- Wall 1 R-Value
  
  28
- Roof 1 R-Value
  
  40
- Floor 1 R-Value
  
  16
- Whole Window U-Value 1
  
  0.18
- Window Glazing SHGC 1
  
  0.37

Systems & Equipment

- Ventilation System Layout
  
  Semi-Centralized
- Ventilation System Type
  
  ERV
- Sensible Recovery Efficiency
  
  79
- Heating System Type
  
  Variable Refrigerant Flow (VRF)
- Hot Water System Layout
  
  Centralized
- Hot Water System Type
  
  Split Heat Pump Water Heater