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Project 2735

4198-4206 Washington St

Boston, Massachusetts

Building Function

Multifamily
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Status

Design Certified
INT. Conditioned Floor Area

26350 ft²

Core Project Team

Phius Certified Verifier

Jillian Flynn
Phius CPHC (Secondary)

Michelle Tinner
Phius CPHC (Lead)

Britt Clark
Project Submitter

Michelle Tinner

Project Information

- Building Function
  
  Multifamily
- Project Type
  
  New Construction
- Number of Units
  
  31
- Number of Stories
  
  6
- Program Version
  
  Phius CORE 2024
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  26350 ft²
- Status
  
  Design Certified
- Design Certification
  
  June 26, 2026
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  5.27 kBTU/ft².yr
- Annual Cooling Demand
  
  4.43 kBTU/ft².yr
- Peak Heating Load
  
  4.08 kBTU/ft².yr
- Peak Cooling Load
  
  2.67 kBTU/ft².yr
- Site Energy Use Index (EUI)
  
  24.28 kBTU/ft².yr
- Site Energy Use Index (w/Renewables)
  
  22.01 kBTU/ft².yr
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  6250 kWh/person.yr
- Source Energy (Residential w/Renewables)
  
  5664 kWh/person.yr

Enclosure

Systems & Equipment

- Renewable Energy Type(s)
  
  On-Site PV
- Renewable Energy Annual Production
  
  13 kWh/yr
- Renewable Energy System Size
  
  17595.3kW