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Project 1759

Old Colony Phase 4

The Architectural Team, Inc

Boston, Massachusetts

Building Function

Multifamily
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Status

Certified
INT. Conditioned Floor Area

127215 ft²

Core Project Team

Phius CPHB

Jack Henningson
Phius CPHC (Secondary)

Maciej Konieczny
Phius Certified Verifier

Mark Norton
Phius CPHC (Lead)

Lisa Reed
Project Submitter

Ryan Montoni

Project Information

- Architecture Planning
  
  The Architectural Team, Inc
- Building Owner
  
  Beacon Communities
- Mechanical Systems Designer
  
  Petersen Engineering
- Additional Consultants
  
  Brenden May, Jack Marcou, James Temte
- Construction Company
  
  Cranshaw Construction
- Building Function
  
  Multifamily
- Project Type
  
  New Construction
- Construction Type
  
  Wood Frame
- Number of Units
  
  104
- Number of Stories
  
  6
- Program Version
  
  Phius CORE 2021
- INT. Conditioned Floor Area
  
  127215 ft²
- Market Category
  
  Affordable Housing
- Status
  
  Certified
- Design Certification
  
  February 11, 2022
- Final Certification
  
  August 5, 2025
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  2.08 kBTU/ft².yr
- Annual Cooling Demand
  
  3.67 kBTU/ft².yr
- Peak Heating Load
  
  2.57 kBTU/ft².yr
- Peak Cooling Load
  
  2.77 kBTU/ft².yr
- Site Energy Use Index (EUI)
  
  22.13 kBTU/ft².yr
- Site Energy Use Index (w/Renewables)
  
  20.65 kBTU/ft².yr
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  3937 kWh/person.yr
- Source Energy (Residential w/Renewables)
  
  3641 kWh/person.yr
- Air Tightness (per enclosure area)
  
  0.064 CFM50/ft²

Enclosure

- Wall 1 R-Value
  
  26
- Roof 1 R-Value
  
  37
- Floor 1 R-Value
  
  16
- Window Manufacturer 1
  
  Intus
- Whole Window U-Value 1
  
  0.19
- Window Glazing SHGC 1
  
  0.4

Systems & Equipment

- Ventilation System Manufacturer
  
  Swegon
- Ventilation System Layout
  
  Centralized
- Ventilation System Type
  
  ERV
- Sensible Recovery Efficiency
  
  82%
- Measured Ventilation Fan Efficiency
  
  1.31 W/cfm
- Heating System Manufacturer
  
  Daikin
- Heating System Type
  
  Air Source Heat Pump
- Cooling System Manufacturer
  
  Daikin
- Hot Water System Manufacturer
  
  Lochinvar
- Hot Water System Layout
  
  Centralized
- Hot Water System Type
  
  Natural Gas Water Heater
- Renewable Energy Type(s)
  
  On-Site PV
- Renewable Energy Annual Production
  
  54871 kWh/yr
- Renewable Energy System Size
  
  45.11kW