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December 1 – January 16

Phius Certified Trades Professional - Enclosure Specialist Training | December 2025 & January 2026 | Portland, OR
Become a Phius Enclosure Specialist!
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Project 1837

Throop Corners

MARVEL

Brooklyn, New York

Building Function

Multifamily
Project Type

New Construction
ASHRAE Climate Zone

4A - Mixed - Humid
Construction Completion

2021
Status

Certified
INT. Conditioned Floor Area

131189 ft²

Core Project Team

Phius Certified Verifier

Jordan Dentz
Phius CPHC (Lead)

Nishad Bahekar
Project Submitter

Nishad Bahekar

Project Information

- Developer
  
  RiseBoro Community Partnership, United Jewish Organizations of Williamsburg & North Brooklyn, St. Nicks Alliance, and Southside United HDFC - Los Sures
- Architecture Planning
  
  MARVEL
- Building Owner
  
  Throop Corners Community LLC
- Mechanical Systems Designer
  
  Dagher Engineering
- Additional Consultants
  
  The Levy Partnership, Inc., Steven Winter Associates
- Construction Company
  
  MEGA Contracting Group
- Building Function
  
  Multifamily
- Project Type
  
  New Construction
- Number of Units
  
  140
- Number of Stories
  
  9
- Program Version
  
  Phius CORE 2021
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  131189 ft²
- Status
  
  Certified
- Design Certification
  
  February 9, 2024
- Final Certification
  
  June 26, 2025
- Construction Completion
  
  2021
- ASHRAE Climate Zone
  
  4A - Mixed - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  3.72 kBTU/ft².yr
- Annual Cooling Demand
  
  6.83 kBTU/ft².yr
- Peak Heating Load
  
  4.12 kBTU/ft².yr
- Peak Cooling Load
  
  2.8 kBTU/ft².yr
- Site Energy Use Index (EUI)
  
  19.89 kBTU/ft².yr
- Site Energy Use Index (w/Renewables)
  
  18.21 kBTU/ft².yr
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  3889 kWh/person.yr
- Source Energy (Residential w/Renewables)
  
  3560 kWh/person.yr
- Air Tightness (per enclosure area)
  
  0.05 CFM50/ft²

Enclosure

- Wall 1 R-Value
  
  19
- Roof 1 R-Value
  
  33
- Floor 1 R-Value
  
  2
- Window Manufacturer 1
  
  Intus
- Whole Window U-Value 1
  
  0.26
- Window Glazing SHGC 1
  
  0.25

Systems & Equipment

- Ventilation System Manufacturer
  
  Swegon
- Ventilation System Layout
  
  Semi-Centralized
- Ventilation System Type
  
  ERV
- Sensible Recovery Efficiency
  
  78%
- Measured Ventilation Fan Efficiency
  
  0.83 W/cfm
- Heating System Manufacturer
  
  Mitsubishi
- Heating System Type
  
  Variable Refrigerant Flow (VRF)
- Cooling System Manufacturer
  
  Mitsubishi
- Hot Water System Manufacturer
  
  Lync by WATT
- Hot Water System Layout
  
  Centralized
- Hot Water System Type
  
  Heat Pump Water Heater
- Renewable Energy Type(s)
  
  On-Site PV
- Renewable Energy Annual Production
  
  64599 kWh/yr
- Renewable Energy System Size
  
  53kW