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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 2374

Eagleville Green - Building 4

Dorgan Architecture & Planning / Schadler Selnau Associates, PC

Storrs, Connecticut

Building Function

Multifamily
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Status

Certified
INT. Conditioned Floor Area

5131 ft²

Core Project Team

Phius CPHC (Lead)

Paul Selnau
Phius Certified Verifier

Karla Butterfield
Project Submitter

Paul Selnau

Project Information

- Developer
  
  Mansfield Nonprofit Housing Development Corporation
- Architecture Planning
  
  Dorgan Architecture & Planning / Schadler Selnau Associates, PC
- Building Owner
  
  Eagleville Green, LLC
- Mechanical Systems Designer
  
  Acorn Consulting Engineers Inc.
- Construction Company
  
  Enterprise Builders, Inc.
- Building Function
  
  Multifamily
- Project Type
  
  New Construction
- Number of Units
  
  6
- Number of Stories
  
  2
- Program Version
  
  Phius ZERO 2021
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  5131 ft²
- Status
  
  Certified
- Design Certification
  
  June 5, 2025
- Final Certification
  
  August 22, 2025
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  6.28 kBTU/ft².yr
- Annual Cooling Demand
  
  2.92 kBTU/ft².yr
- Peak Heating Load
  
  5.16 kBTU/ft².yr
- Peak Cooling Load
  
  2.12 kBTU/ft².yr
- Site Energy Use Index (EUI)
  
  17.65 kBTU/ft².yr
- Site Energy Use Index (w/Renewables)
  
  -5.13 kBTU/ft².yr
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  3412 kWh/person.yr
- Air Tightness (per enclosure area)
  
  0.051 CFM50/ft²

Enclosure

- Wall 1 Type
  
  Framing with Continuous Insulation
- Wall 1 R-Value
  
  39
- Roof 1 Type
  
  Vented Below Deck
- Roof 1 R-Value
  
  63
- Roof 1 Insulation Type
  
  Cellulose
- Floor Type 1
  
  Slab on Grade
- Floor 1 R-Value
  
  46
- Window Manufacturer 1
  
  Alpen
- Window Product Name 1
  
  Alpen Tyrol TR6 - Fixed
- Whole Window U-Value 1
  
  0.12
- Window Frame Material 1
  
  Unplasticized Polyvinyl Chloride (uPVC)
- Window Glazing SHGC 1
  
  0.27
- Window Product Name 2
  
  Alpen Tyrol TR6 - Tilt & Turn
- Whole Window U-Value 2
  
  0.15
- Window Frame Material 2
  
  Unplasticized Polyvinyl Chloride (uPVC)
- Window Glazing SHGC 2
  
  0.27
- Door Manufacturer
  
  Alpen
- Door Product Name
  
  Alpen Tyrol TR6
- Whole Door U-Value
  
  0.27
- Door Frame Material
  
  uPVC (Unplasticized Polyvinyl Chloride)

Systems & Equipment

- Ventilation System Manufacturer
  
  Zehnder
- Measured Ventilation Fan Efficiency
  
  0.43 W/cfm
- Heating System Manufacturer
  
  Fujitsu
- Cooling System Manufacturer
  
  Fujitsu
- Hot Water System Manufacturer
  
  Sanden SANCO2
- Renewable Energy Type(s)
  
  On-Site PV
- Renewable Energy Annual Production
  
  34376 kWh/yr
- Renewable Energy System Size
  
  34.92kW