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December 1 – January 16

Phius Certified Trades Professional - Enclosure Specialist Training | December 2025 & January 2026 | Portland, OR
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Project 2882

Hickory Hill House

Iowa City, Iowa

Building Function

Single-Family
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Status

Design Certified
INT. Conditioned Floor Area

3620 ft²

Core Project Team

Phius CPHB

Daniel Marine
Phius Certified Rater

Michael Boerst
Phius CPHC (Secondary)

Eric Neuhaus
Phius CPHC (Lead)

Ilka Cassidy
Project Submitter

Ilka Cassidy

Project Information

- Construction Company
  
  Oak Tree Homes
- Building Function
  
  Single-Family
- Project Type
  
  New Construction
- Number of Units
  
  1
- Number of Stories
  
  2
- Program Version
  
  Phius CORE 2021
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  3620 ft²
- Status
  
  Design Certified
- Design Certification
  
  September 25, 2025
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Midwest

Performance

- Annual Heating Demand
  
  9.42 kBTU/ft².yr
- Annual Cooling Demand
  
  3.65 kBTU/ft².yr
- Peak Heating Load
  
  6.69 kBTU/ft².yr
- Peak Cooling Load
  
  1.95 kBTU/ft².yr
- Site Energy Use Index (EUI)
  
  14.32 kBTU/ft².yr
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  5468 kWh/person.yr

Enclosure

Systems & Equipment