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Project 1810

25 Dukes Rd

Nantucket, Massachusetts

Building Function

Single-Family
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Construction Completion

2020
Status

Final Certified
INT. Conditioned Floor Area

3950 sq. ft.

Core Project Team

Phius Certified Rater

Andy Buccino
Phius CPHC (Secondary)

Hans Breaux
Phius CPHC (Lead)

Rebecca O'Hearn
Project Submitter

Ian Johnson

Project Information

- Architecture Planning
  
  Sandcastle Construction
- Building Owner
  
  Chuck Lenhart
- Mechanical Systems Designer
  
  ACK Air Duct LLC
- Construction Company
  
  Sandcastle Construction
- 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
  
  3950 sq. ft.
- Status
  
  Final Certified
- Design Certification
  
  January 3, 2022
- Final Certification
  
  November 11, 2024
- Construction Completion
  
  2020
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  4.74
- Annual Cooling Demand
  
  1.64
- Peak Heating Load
  
  3.39
- Peak Cooling Load
  
  0.32
- Site Energy Use Index (EUI)
  
  10.88
- Site Energy Use Index (w/Renewables)
  
  -0.2
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  7051
- HERS Rating
  
  30
- HERS Rating w/Renewables
  
  -8
- Air Tightness (per enclosure area)
  
  0.024

Enclosure

- Window Manufacturer 1
  
  Anderson

Systems & Equipment

- Ventilation System Manufacturer
  
  Zehnder
- Measured Ventilation Fan Efficiency
  
  0.3
- Heating System Manufacturer
  
  Mitsubishi
- Cooling System Manufacturer
  
  Mitsubishi
- Hot Water System Manufacturer
  
  Sanco
- Renewable Energy Type(s)
  
  On-Site PV
- Renewable Energy Annual Production
  
  12819
- Renewable Energy System Size
  
  9.62