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Phius Certified Trades Professional - Enclosure Specialist Training | December 2025 & January 2026 | Portland, OR
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  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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Project 2251

Evanston's First Passive House

Kipnis Architecture + Planning

Evanston, Illinois

Building Function

Single-Family
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Construction Completion

2024
Status

Certified
INT. Conditioned Floor Area

3081 ft²

Core Project Team

Phius CPHC (Secondary)

Grahm Balkany
Phius Certified Rater

Jeffrey Parker
Phius CPHC (Lead)

Scott Farbman
Project Submitter

Scott Farbman

Project Information

- Architecture Planning
  
  Kipnis Architecture + Planning
- Building Owner
  
  Margaret Stender
- Mechanical Systems Designer
  
  Superior Sheet Metal & Heating, Inc.
- Construction Company
  
  Berliant Builders, Inc.
- Building Function
  
  Single-Family
- Project Type
  
  New Construction
- Number of Units
  
  1
- Number of Stories
  
  2
- Program Version
  
  Phius ZERO 2021
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  3081 ft²
- Status
  
  Certified
- Design Certification
  
  August 9, 2024
- Final Certification
  
  December 19, 2024
- Construction Completion
  
  2024
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Midwest

Performance

- Annual Heating Demand
  
  9.75 kBTU/ft².yr
- Annual Cooling Demand
  
  4.24 kBTU/ft².yr
- Peak Heating Load
  
  5.39 kBTU/ft².yr
- Peak Cooling Load
  
  2.84 kBTU/ft².yr
- Site Energy Use Index (EUI)
  
  14.09 kBTU/ft².yr
- Site Energy Use Index (w/Renewables)
  
  -4.13 kBTU/ft².yr
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  4581 kWh/person.yr
- HERS Rating
  
  34
- HERS Rating w/Renewables
  
  -9
- Air Tightness (per enclosure area)
  
  0.033 CFM50/ft²

Enclosure

- Window Manufacturer 1
  
  Sierra Pacific

Systems & Equipment

- Ventilation System Manufacturer
  
  Panasonic
- Measured Ventilation Fan Efficiency
  
  0.48 W/cfm
- Heating System Manufacturer
  
  Mitsubishi
- Cooling System Manufacturer
  
  Mitsubishi
- Hot Water System Manufacturer
  
  A.O. Smith
- Renewable Energy Type(s)
  
  On-Site PV
- Renewable Energy Annual Production
  
  16450 kWh/yr
- Renewable Energy System Size
  
  1218kW