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Phius Certified Trades Professional - Enclosure Specialist Training | December 2025 & January 2026 | Portland, OR
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  Phius Certified Projects are the most energy efficient and comfortable buildings in the world
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  Phius Certified Professionals are on the cutting edge of high-performance building
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  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.
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- Member Office Hours - Projects
  December 9
- Jan. Webinar: Walking Through METr
  January 13
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  January 20
- Phius Certified Builder Training and Certification Exam | January 2026
  January 20 – 30
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 1984

MLK / Tyler Street Building 9

Kenneth Boroson Architects

New Haven, Connecticut

Building Function

Multifamily
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Status

Certified
INT. Conditioned Floor Area

7234 ft²

Core Project Team

Phius CPHC (Secondary)

Andrew Dicken
Phius Certified Verifier

Brian Stanfill
Phius CPHC (Lead)

Peter Harding
Project Submitter

Peter Harding

Project Information

- Architecture Planning
  
  Kenneth Boroson Architects
- Building Owner
  
  West River Housing Company LLC
- Mechanical Systems Designer
  
  Diversified Technology Consultants
- Construction Company
  
  LaRosa Building Group, LLC
- Building Function
  
  Multifamily
- Project Type
  
  New Construction
- Number of Units
  
  6
- Number of Stories
  
  2
- Program Version
  
  Phius CORE 2021
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  7234 ft²
- Status
  
  Certified
- Design Certification
  
  October 19, 2022
- Final Certification
  
  November 11, 2025
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  3.65 kBTU/ft².yr
- Annual Cooling Demand
  
  2.44 kBTU/ft².yr
- Peak Heating Load
  
  4.01 kBTU/ft².yr
- Peak Cooling Load
  
  1.45 kBTU/ft².yr
- Site Energy Use Index (EUI)
  
  17.67 kBTU/ft².yr
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  3746 kWh/person.yr

Enclosure

- Window Manufacturer 1
  
  Kohltech

Systems & Equipment

- Ventilation System Manufacturer
  
  Zehnder
- Measured Ventilation Fan Efficiency
  
  0.36 W/cfm
- Heating System Manufacturer
  
  Mistubishi
- Cooling System Manufacturer
  
  Mitsubishi
- Hot Water System Manufacturer
  
  Bradford White