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Phius Certified Trades Professional - Enclosure Specialist Training | December 2025 & January 2026 | Portland, OR
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Project 1695

The Loop at Mattapan Station

The Architectural Team, Inc.

Boston, Massachusetts

Building Function

Multifamily
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Construction Completion

2020
Status

Certified
INT. Conditioned Floor Area

151238 ft²

Core Project Team

Builder

Jack OBrien
Phius CPHB

Rachel Finney
Phius CPHC (Secondary)

Chris Kennedy
Phius CPHC (Lead)

Wesley Stanhope
Project Submitter

Darius Luo

Project Information

- Developer
  
  Preservation of Affordable Housing (POAH)
- Architecture Planning
  
  The Architectural Team, Inc.
- Building Owner
  
  Preservation of Affordable Housing
- Mechanical Systems Designer
  
  Petersen Engineering, Inc.
- Additional Consultants
  
  Building Evolution Corporation (BEC)
- Construction Company
  
  Dellbrook JKS
- Building Function
  
  Multifamily
- Project Type
  
  New Construction
- Construction Type
  
  Wood Frame
- Number of Units
  
  135
- Number of Stories
  
  6
- Program Version
  
  PHIUS+ 2015
- INT. Conditioned Floor Area
  
  151238 ft²
- Market Category
  
  Affordable Housing
- Status
  
  Certified
- Design Certification
  
  September 15, 2020
- Final Certification
  
  July 17, 2025
- Construction Completion
  
  2020
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  2.93 kBTU/ft².yr
- Annual Cooling Demand
  
  1.98 kBTU/ft².yr
- Peak Heating Load
  
  3.4 kBTU/ft².yr
- Peak Cooling Load
  
  3.16 kBTU/ft².yr
- Site Energy Use Index (EUI)
  
  21.82 kBTU/ft².yr
- Site Energy Use Index (w/Renewables)
  
  18.67 kBTU/ft².yr
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  6856 kWh/person.yr
- Source Energy (Residential w/Renewables)
  
  5622 kWh/person.yr

Enclosure

- Window Manufacturer 1
  
  Alpen

Systems & Equipment

- Ventilation System Manufacturer
  
  Ventacity, Renewaire, Zehnder
- Measured Ventilation Fan Efficiency
  
  1.37 W/cfm
- Heating System Manufacturer
  
  Mitsubishi
- Cooling System Manufacturer
  
  Mitsubishi
- Hot Water System Manufacturer
  
  Lochinvar
- Renewable Energy Type(s)
  
  On-Site PV
- Renewable Energy Annual Production
  
  167315 kWh/yr
- Renewable Energy System Size
  
  134.4kW