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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 2338

The Landings at Spring Lake

Pinnacle Construction Group

Spring Lake, Michigan

Building Function

Multifamily
Project Type

New Construction
ASHRAE Climate Zone

5A - Cool - Humid
Status

Certified
INT. Conditioned Floor Area

51420 ft²

Core Project Team

Phius CPHC (Secondary)

Chris West
Phius Certified Verifier

Lindsey Elton
Phius CPHC (Lead)

James Lewis
Project Submitter

James Lewis

Project Information

- Architecture Planning
  
  Pinnacle Construction Group
- Building Owner
  
  Samaritas Affordable Living Spring Lake
- Mechanical Systems Designer
  
  Classic Engineering
- Construction Company
  
  Pinnacle Construction Group
- Building Function
  
  Multifamily
- Project Type
  
  New Construction
- Number of Units
  
  53
- Number of Stories
  
  4
- Program Version
  
  Phius CORE 2021
- INT. Conditioned Floor Area
  
  51420 ft²
- Status
  
  Certified
- Design Certification
  
  August 8, 2024
- Final Certification
  
  July 15, 2025
- ASHRAE Climate Zone
  
  5A - Cool - Humid
- Region
  
  Midwest

Performance

- Annual Heating Demand
  
  4.32 kBTU/ft².yr
- Annual Cooling Demand
  
  2.46 kBTU/ft².yr
- Peak Heating Load
  
  3.6 kBTU/ft².yr
- Peak Cooling Load
  
  1.88 kBTU/ft².yr
- Site Energy Use Index (EUI)
  
  24.87 kBTU/ft².yr
- Site Energy Use Index (w/Renewables)
  
  22.31 kBTU/ft².yr
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  4908 kWh/person.yr
- Source Energy (Residential w/Renewables)
  
  4330 kWh/person.yr
- Air Tightness (per enclosure area)
  
  0.044 CFM50/ft²

Enclosure

- Window Manufacturer 1
  
  Intus

Systems & Equipment

- Ventilation System Manufacturer
  
  Ventacity & Zehnder
- Measured Ventilation Fan Efficiency
  
  0.69 W/cfm
- Heating System Manufacturer
  
  Daikin
- Cooling System Manufacturer
  
  Daikin
- Hot Water System Manufacturer
  
  Rheem
- Renewable Energy Type(s)
  
  On-Site PV
- Renewable Energy Annual Production
  
  37958 kWh/yr
- Renewable Energy System Size
  
  30.6kW