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Project 1545

Chestnut Commons

Brooklyn, New York

Building Function

Mixed-Use
Project Type

New Construction
ASHRAE Climate Zone

4A - Mixed - Humid
Construction Completion

2020
Status

Final Certified
INT. Conditioned Floor Area

237055 sq. ft.

Core Project Team

Phius CPHC (Secondary)

Emily Durso
Phius Certified Verifier

Elise Fabbri
Phius CPHC (Lead)

Ayse Sen
Project Submitter

Ayse Sen

Project Information

- Architecture Planning
  
  Dattner Architects
- Mechanical Systems Designer
  
  Skyline Engineering
- Additional Consultants
  
  Bright Power
- Construction Company
  
  Lettire Construction
- Building Function
  
  Mixed-Use
- Project Type
  
  New Construction
- Construction Type
  
  Masonry
- Number of Units
  
  275
- Number of Stories
  
  14
- Program Version
  
  PHIUS+ 2015
- INT. Conditioned Floor Area
  
  237055 sq. ft.
- Status
  
  Final Certified
- Design Certification
  
  August 28, 2019
- Final Certification
  
  May 23, 2023
- Construction Completion
  
  2020
- ASHRAE Climate Zone
  
  4A - Mixed - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  1.27
- Annual Cooling Demand
  
  4.06
- Peak Heating Load
  
  2.95
- Peak Cooling Load
  
  2.32
- Site Energy Use Index (EUI)
  
  21.13
- Site Energy Use Index (w/Renewables)
  
  19.47
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  4917
- Source Energy (Residential w/Renewables)
  
  4412
- Air Tightness (per enclosure area)
  
  0.065
- Average Compartmentalization
  
  0.24

Enclosure

- Wall 1 Type
  
  Framing with Continuous Insulation
- Wall 1 R-Value
  
  31
- Wall 1 Insulation Type
  
  Mineral Wool (Cavity), XPS
- Wall 2 Type
  
  Other
- Wall 2 R-Value
  
  33
- Wall 2 Insulation Type
  
  Mineral Wool (Board), Mineral Wool (Cavity), XPS
- Wall 3 Type
  
  Other
- Wall 3 R-Value
  
  21
- Wall 3 Insulation Type
  
  XPS
- Roof 1 Type
  
  Unvented Roof
- Roof 1 R-Value
  
  49
- Roof 1 Insulation Type
  
  PolyIso
- Roof 2 Type
  
  Unvented
- Roof 2 R-Value
  
  51
- Roof 2 Insulation Type
  
  XPS
- Floor Type 1
  
  Basement Slab
- Floor 1 R-Value
  
  11
- Floor 1 Insulation Type
  
  XPS

Systems & Equipment

- Ventilation System Manufacturer
  
  Swegon
- Ventilation System Product Name
  
  Gold RX 11 [6], Gold RX 14 [4], Gold RX 05 [1]
- Ventilation System Layout
  
  Semi-Centralized
- Ventilation System Type
  
  ERV
- Sensible Recovery Efficiency
  
  83.1
- Latent Recovery Efficiency
  
  65
- Measured Ventilation Fan Efficiency
  
  0.5
- Hot Water System Type
  
  Natural Gas Water Heater