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Project 1880

East Gables

Amherst, Massachusetts

Building Function

Multifamily
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Construction Completion

2022
Status

Final Certified
INT. Conditioned Floor Area

11419 sq. ft.

Core Project Team

Phius Certified Verifier

John Saveson
Phius CPHC (Lead)

Mark Newey
Project Submitter

Mark Newey

Project Information

- Developer
  
  Valley Community Development
- Architecture Planning
  
  Austin Design Cooperative, Inc.
- Building Owner
  
  East Gables LLC
- Mechanical Systems Designer
  
  Tighe & Bond
- Construction Company
  
  Western Builders, Inc.
- Building Function
  
  Multifamily
- Project Type
  
  New Construction
- Construction Type
  
  Wood Frame
- Number of Units
  
  28
- Number of Stories
  
  3
- Program Version
  
  Phius CORE 2021
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  11419 sq. ft.
- Status
  
  Final Certified
- Design Certification
  
  October 5, 2022
- Final Certification
  
  August 5, 2024
- Construction Completion
  
  2022
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  5.9
- Annual Cooling Demand
  
  3.71
- Peak Heating Load
  
  4.67
- Peak Cooling Load
  
  2.64
- Site Energy Use Index (EUI)
  
  26.78
- Site Energy Use Index (w/Renewables)
  
  15.99
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  5761
- Source Energy (Residential w/Renewables)
  
  3441
- HERS Rating
  
  37
- Air Tightness (per enclosure area)
  
  0.058

Enclosure

- Wall 1 R-Value
  
  54
- Roof 1 R-Value
  
  77
- Floor 1 R-Value
  
  8
- Window Manufacturer 1
  
  Alpen
- Whole Window U-Value 1
  
  0.17
- Window Glazing SHGC 1
  
  0.27

Systems & Equipment

- Ventilation System Manufacturer
  
  Renewaire
- Ventilation System Layout
  
  Semi-Centralized
- Ventilation System Type
  
  ERV
- Sensible Recovery Efficiency
  
  78
- Measured Ventilation Fan Efficiency
  
  0.69
- Heating System Manufacturer
  
  Mitsubishi
- Heating System Type
  
  Variable Refrigerant Flow (VRF)
- Cooling System Manufacturer
  
  Mitsubishi
- Hot Water System Manufacturer
  
  Sanco
- Hot Water System Layout
  
  Centralized
- Hot Water System Type
  
  Split Heat Pump Water Heater
- Renewable Energy Type(s)
  
  On-Site PV
- Renewable Energy Annual Production
  
  36093
- Renewable Energy System Size
  
  11.4