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Project 1854

McElwain Apartments

Bridgewater, Massachusetts

Building Function

Multifamily
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Status

Final Certified
INT. Conditioned Floor Area

44189 sq. ft.

Core Project Team

Phius CPHB

Timothy Forde
Phius Certified Verifier

Ethan Clifford
Phius CPHC (Secondary)

Tom Chase
Phius CPHC (Lead)

Ashley Wisse
Project Submitter

Ashley Wisse

Project Information

- Developer
  
  CC MPZ Main Street, LLC
- Architecture Planning
  
  Prellwitz Chilinski Associates
- Building Owner
  
  James O
- Mechanical Systems Designer
  
  Petersen Engineering, Inc.
- Additional Consultants
  
  KCI
- Construction Company
  
  CC MPZ Main Street LLC
- Building Function
  
  Multifamily
- Project Type
  
  New Construction
- Construction Type
  
  Wood Frame
- Number of Units
  
  38
- Number of Stories
  
  3
- Program Version
  
  PHIUS+ 2018 CORE
- INT. Conditioned Floor Area
  
  44189 sq. ft.
- Market Category
  
  Affordable Housing
- Status
  
  Final Certified
- Design Certification
  
  April 21, 2022
- Final Certification
  
  August 22, 2023
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  3.16
- Annual Cooling Demand
  
  2.34
- Peak Heating Load
  
  3.38
- Peak Cooling Load
  
  1.56
- Site Energy Use Index (EUI)
  
  22.32
- Site Energy Use Index (w/Renewables)
  
  18.69
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  6232
- Source Energy (Residential w/Renewables)
  
  4957
- Air Tightness (per enclosure area)
  
  0.027
- Average Compartmentalization
  
  0.18

Enclosure

- Wall 1 Type
  
  Framing with Continuous Insulation
- Wall 1 R-Value
  
  29
- Wall 1 Insulation Type
  
  PolyIso, Fiberglass
- Roof 1 Type
  
  Unvented Roof
- Roof 1 R-Value
  
  49
- Roof 1 Insulation Type
  
  PolyIso
- Floor Type 1
  
  Slab on Grade
- Floor 1 R-Value
  
  10
- Floor 1 Insulation Type
  
  XPS
- Window Manufacturer 1
  
  Intus
- Window Product Name 1
  
  Supera CW Fixed
- Whole Window U-Value 1
  
  0.15
- Window Glazing SHGC 1
  
  0.39
- Window Manufacturer 2
  
  Intus
- Window Product Name 2
  
  Supera CW Casement
- Whole Window U-Value 2
  
  0.17
- Window Glazing SHGC 2
  
  0.39
- Door Manufacturer
  
  Kawneer
- Door Product Name
  
  350T
- Whole Door U-Value
  
  0.57

Systems & Equipment

- Ventilation System Manufacturer
  
  AnnexAir
- Ventilation System Product Name
  
  ERP-03
- Ventilation System Layout
  
  Centralized
- Ventilation System Type
  
  ERV
- Sensible Recovery Efficiency
  
  79
- Latent Recovery Efficiency
  
  40
- Measured Ventilation Fan Efficiency
  
  0.85
- Heating System Manufacturer
  
  Mitsubishi
- Cooling System Manufacturer
  
  Mitsubishi
- Hot Water System Manufacturer
  
  Lochinvar
- Hot Water System Product Name
  
  Armor AWN400PM
- Hot Water System Layout
  
  Centralized
- Hot Water System Type
  
  Natural Gas Water Heater
- Range Hood Type
  
  Recirculation
- Dryer Type
  
  Vented
- Renewable Energy Type(s)
  
  On-Site PV
- Renewable Energy Annual Production
  
  62988
- Renewable Energy System Size
  
  50