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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 2496

Ridgeline House

River Architects PLLC

Clinton Corners, New York

Building Function

Single-Family
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Status

Design Certified
INT. Conditioned Floor Area

3280 ft²

Core Project Team

Phius CPHC (Secondary)

Karl Hansen
Phius Certified Rater

Anthony Lisanti
Phius CPHC (Lead)

James Hartford
Project Submitter

Karl Hansen

Project Information

- Architecture Planning
  
  River Architects PLLC
- Building Owner
  
  New York Natural Products
- Mechanical Systems Designer
  
  Baukraft Engineering, PLLC
- Construction Company
  
  Heitmann Builders
- 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
  
  3280 ft²
- Status
  
  Design Certified
- Design Certification
  
  May 29, 2024
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  9.03 kBTU/ft².yr
- Annual Cooling Demand
  
  3.68 kBTU/ft².yr
- Peak Heating Load
  
  6.78 kBTU/ft².yr
- Peak Cooling Load
  
  2.33 kBTU/ft².yr
- Site Energy Use Index (EUI)
  
  21.94 kBTU/ft².yr
- Site Energy Use Index (w/Renewables)
  
  2.55 kBTU/ft².yr
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  6433 kWh/person.yr
- Air Tightness (per enclosure area)
  
  0.06 CFM50/ft²

Enclosure

Systems & Equipment