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Project 2401

4 Mellen

Icon Architecture

Cambridge, Massachusetts

Building Function

Multifamily
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Status

Design Certified
INT. Conditioned Floor Area

27900 ft²

Core Project Team

Phius CPHB

Bill Novick
Phius Certified Verifier

Jeremy Dagold
Phius CPHC (Lead)

Vitor L. Goncalves
Project Submitter

Vitor L. Goncalves

Project Information

- Architecture Planning
  
  Icon Architecture
- Mechanical Systems Designer
  
  Staengl Engineering
- Additional Consultants
  
  Nikhil Kathed (CPHB)
- Building Function
  
  Multifamily
- Project Type
  
  New Construction
- Number of Units
  
  25
- Number of Stories
  
  6
- Program Version
  
  Phius CORE 2021
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  27900 ft²
- Status
  
  Design Certified
- Design Certification
  
  September 24, 2024
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  4.71 kBTU/ft².yr
- Annual Cooling Demand
  
  2.59 kBTU/ft².yr
- Peak Heating Load
  
  3.75 kBTU/ft².yr
- Peak Cooling Load
  
  2.57 kBTU/ft².yr
- Site Energy Use Index (EUI)
  
  16.36 kBTU/ft².yr
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  3345 kWh/person.yr

Enclosure

- Wall 1 R-Value
  
  24
- Roof 1 R-Value
  
  53
- Floor 1 R-Value
  
  11
- Whole Window U-Value 1
  
  0.18
- Window Glazing SHGC 1
  
  0.37

Systems & Equipment

- Ventilation System Layout
  
  Centralized
- Ventilation System Type
  
  ERV
- Sensible Recovery Efficiency
  
  85%
- Hot Water System Layout
  
  Centralized
- Hot Water System Type
  
  Split Heat Pump Water Heater
- Range Hood Type
  
  Recirculation
- Dryer Type
  
  Vented