Skip to main content

- What is Passive Building?
  Your passive building questions, answered
  
  Passive Building
  
  Passive Building Principles
  
  Passive Building FAQs
  
  A Better Way to Zero
  
  Passive Building Foundations Training
- Sectors
  Passive isn't just for houses
  
  Single-Family
  
  Multifamily
  
  Office Buildings
  
  Schools
  
  Other Non-Residential
- Projects
  Phius Certified Projects are the most energy efficient and comfortable buildings in the world
  Find a Project
  
  Project Certification
  
  Submit a Project
  
  Certification Review Queue
- Products
  Phius Certified Products are guaranteed to perform to passive standards
  View Products
  
  Product Certification Overview
  
  Window Certification
  
  Panel Certification
- Professionals
  Phius Certified Professionals are on the cutting edge of high-performance building
  Find a Professional
  
  Phius Certified Consultant (CPHC®)
  
  Phius Certified Builder (CPHB)
  
  Phius Certified Rater
  
  Phius Certified Verifier
  
  Phius Certified Trades Professional
  
  Phius Associate
  
  Maintain Credentials
Our Approach
- New Construction
  Phius CORE and Phius ZERO provide the path for constructing a Phius building from the ground up.
- Retrofit
  Upgrade existing buildings to Phius standards using Phius CORE REVIVE and Phius ZERO REVIVE.
- Commercial
  Phius standards aren't just for residential buildings. Phius CORE COMM and Phius ZERO COMM can be applied to any non-residential building.
Categories
December 5 – 11

Intro to THERM | December 2024
Master thermal bridging with our THERM workshop!
Upcoming Sessions
- Phius Certified Builder Training and Certification Exam | December 2024
  December 2 – 13
- Annual Alliance Member Meeting
  December 3
- Intro to THERM | December 2024
  December 5 – 11
- Phius Certified Consultant Training & Certification Exam | December 2024
  December 9 – 20
- Policy Work
  Promoting policies designed to grow passive building
  Policy Database
  
  Incentives
  
  Codes
  
  Qualified Allocation Plans
  
  Cost Data
- Tools and Support
  Providing the tools you need to create healthier buildings
  Resource Library
  
  Certification Support
  
  Calculators and Protocols
  
  Feasibility Study
  
  WUFI Passive Design Tool
  
  Climate Data
  
  Quality Assurance
  
  Tech Corner

Project 1626

Vital Brooklyn

Brooklyn, New York

Building Function

Multifamily
Project Type

New Construction
ASHRAE Climate Zone

4A - Mixed - Humid
Construction Completion

2021
Status

Final Certified
INT. Conditioned Floor Area

134908 sq. ft.

Core Project Team

Phius CPHC (Secondary)

Zoe Kaufman
Phius Certified Verifier

Elise Fabbri
Phius CPHC (Lead)

Carmel Pratt
Project Submitter

Ayse Sen

Project Information

- Architecture Planning
  
  Dattner Architects
- Construction Company
  
  Monadnock Construction
- Building Function
  
  Multifamily
- Project Type
  
  New Construction
- Number of Units
  
  160
- Number of Stories
  
  7
- Program Version
  
  PHIUS+ 2015
- INT. Conditioned Floor Area
  
  134908 sq. ft.
- Status
  
  Final Certified
- Design Certification
  
  April 10, 2023
- Final Certification
  
  May 23, 2023
- Construction Completion
  
  2021
- ASHRAE Climate Zone
  
  4A - Mixed - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  2.53
- Annual Cooling Demand
  
  4.75
- Peak Heating Load
  
  3.82
- Peak Cooling Load
  
  3.14
- Site Energy Use Index (EUI)
  
  19.79
- Site Energy Use Index (w/Renewables)
  
  16.84
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  5605
- Source Energy (Residential w/Renewables)
  
  4562
- Air Tightness (per enclosure area)
  
  0.064
- Average Compartmentalization
  
  0.23

Enclosure

- Wall 1 Type
  
  Framing with Continuous Insulation
- Wall 1 R-Value
  
  25
- Wall 1 Insulation Type
  
  Mineral Wool (Board), XPS
- Wall 2 Type
  
  Framing with Continuous Insulation
- Wall 2 R-Value
  
  23
- Wall 2 Insulation Type
  
  Mineral Wool (Board), Mineral Wool (Cavity)
- Wall 3 Type
  
  Framing with Continuous Insulation
- Wall 3 R-Value
  
  43
- Wall 3 Insulation Type
  
  Mineral Wool (Cavity), PolyIso
- Roof 1 Type
  
  Vented Above Deck
- Roof 1 R-Value
  
  67
- Roof 1 Insulation Type
  
  PolyIso
- Roof 2 Type
  
  Vented Above Deck
- Roof 2 R-Value
  
  50
- Roof 2 Insulation Type
  
  XPS
- Floor Type 1
  
  Basement Slab
- Floor 1 R-Value
  
  3
- Floor Type 2
  
  Overhang Floor
- Floor 2 R-Value
  
  1
- Window Manufacturer 1
  
  Wythe
- Window Product Name 1
  
  Operable
- Whole Window U-Value 1
  
  0.16
- Window Frame Material 1
  
  Unplasticized Polyvinyl Chloride (uPVC)
- Window Glazing SHGC 1
  
  0.24
- Window Manufacturer 2
  
  Wythe
- Window Product Name 2
  
  Fixed
- Whole Window U-Value 2
  
  0.16
- Window Frame Material 2
  
  Unplasticized Polyvinyl Chloride (uPVC)
- Window Glazing SHGC 2
  
  0.24
- Window Manufacturer 3
  
  YKK
- Window Product Name 3
  
  60 XT
- Whole Window U-Value 3
  
  0.36
- Window Frame Material 3
  
  Aluminum
- Window Glazing SHGC 3
  
  0.39

Systems & Equipment