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Project 1874

Coppens Residence

Durham, New Hampshire

Building Function

Single-Family
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Construction Completion

2021
Status

Design Certified
INT. Conditioned Floor Area

3146 sq. ft.

Core Project Team

Phius CPHC (Lead)

Kai Fast
Phius Certified Rater

Joe Rando
Project Submitter

Kai Fast
Primary Reviewer

Isaac Elnecave

Project Information

- Construction Company
  
  Haven Hill Builders
- Building Function
  
  Single-Family
- Project Type
  
  New Construction
- Construction Type
  
  Wood Frame
- Number of Units
  
  1
- Number of Stories
  
  3
- Program Version
  
  PHIUS+ 2018 Source Zero
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  3146 sq. ft.
- Status
  
  Design Certified
- Design Certification
  
  August 11, 2022
- Construction Completion
  
  2021
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  8.39
- Annual Cooling Demand
  
  2.53
- Peak Heating Load
  
  4.95
- Peak Cooling Load
  
  2.04
- Site Energy Use Index (EUI)
  
  10.68
- Site Energy Use Index (w/Renewables)
  
  -3.84
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  6894
- Air Tightness (per enclosure area)
  
  0.06

Enclosure

- Wall 1 R-Value
  
  42
- Roof 1 R-Value
  
  77
- Floor 1 R-Value
  
  18
- Whole Window U-Value 1
  
  0.17
- Window Glazing SHGC 1
  
  0.56

Systems & Equipment

- Ventilation System Layout
  
  Centralized
- Ventilation System Type
  
  ERV
- Sensible Recovery Efficiency
  
  83
- Heating System Type
  
  Air Source Heat Pump
- 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
  
  13387
- Renewable Energy System Size
  
  10