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Project 2051

Mildred Hailey Building 1B

Prellwitz Chilinski Associates

Boston, Massachusetts

Building Function

Multifamily
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Status

Design Certified
INT. Conditioned Floor Area

123043 ft²

Core Project Team

Phius CPHB

Melissa Guertin
Phius CPHC (Secondary)

Daniel Perez
Phius CPHC (Lead)

Frank Stone
Phius Certified Verifier

Nathan Wicksman
Project Submitter

Frank Stone

Project Information

- Developer
  
  The Community Builders (TCB)
- Architecture Planning
  
  Prellwitz Chilinski Associates
- Mechanical Systems Designer
  
  Petersen Engineering, Inc.
- Additional Consultants
  
  New Ecology, Inc. as CPHC
- Building Function
  
  Multifamily
- Project Type
  
  New Construction
- Number of Units
  
  123
- Number of Stories
  
  6
- Program Version
  
  Phius CORE 2021
- INT. Conditioned Floor Area
  
  123043 ft²
- Market Category
  
  Supportive Housing
- Status
  
  Design Certified
- Design Certification
  
  November 16, 2022
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  4.06 kBTU/ft².yr
- Annual Cooling Demand
  
  4.91 kBTU/ft².yr
- Peak Heating Load
  
  3.41 kBTU/ft².yr
- Peak Cooling Load
  
  2.75 kBTU/ft².yr
- Site Energy Use Index (EUI)
  
  21.89 kBTU/ft².yr
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  4190 kWh/person.yr

Enclosure

- Wall 1 R-Value
  
  20
- Roof 1 R-Value
  
  50
- Floor 1 R-Value
  
  11
- Whole Window U-Value 1
  
  0.17
- Window Glazing SHGC 1
  
  0.39

Systems & Equipment

- Ventilation System Layout
  
  Centralized
- Ventilation System Type
  
  ERV
- Sensible Recovery Efficiency
  
  81%
- Heating System Type
  
  Variable Refrigerant Flow (VRF)
- Hot Water System Layout
  
  Centralized
- Hot Water System Type
  
  Natural Gas Water Heater