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Are You Ready? Michigan to Enforce New Energy Code for Commercial Buildings

April 11, 2025

The State of Michigan has officially approved and filed the new energy code that will go into enforcement on April 22, 2025. This code impacts all commercial construction. If you need to pull a commercial permit for building, mechanical, electrical or plumbing this code is required.

Enforcement Date:
April 22, 2025

New Commercial Code:
ASHRAE 90.1-2019 with (1) Amendment (Section 9.1.2 Lighting)
Or
IECC 2021 with Michigan Amendments

Significant Changes:
Please Note: The most significant change is Functional Performance Testing

  • Functional Performance Testing (FPT) is required for:
    • Projects starting in the design phase
    • Building envelope
    • MEP systems
    • Energy monitoring systems
Other Significant Changes:
  • Energy Monitoring is required for all new buildings (Electric [with breakouts], Natural Gas, Steam, etc.).
  • Outlet control via occupancy sensors in several commercial use types.
  • Across the board improvements to insulation requirements, MEP equipment requirements, etc.
  • Expanded controls requirements.
  • Energy Recovery Ventilators (ERVs) are required in all dwelling units.
  • See code books for complete changes.
When in my project do I need to think about this?
There are two phases, Functional Performance Testing plans start in the design phase and the execution of this plan happens during construction and testing.

We Are Energy Experts
Our team at E3M has been part of the review process with the State of Michigan over the past two years so we know the details of the code. Our team of engineers, certified energy managers and commissioning professionals can develop your FTP plan in the design phase or execute the plan in the construction phase.

What can you do now?
We’ve created a PDF that outlines all requirements and answers your questions on the new energy code.

  • The document answers:
    Who can perform Functional Performance Testing?
    Can I perform this myself?
    Who is responsible?
    Who carries the cost?
    Who includes this in their bid?
    What phase, design or construction, do I need to perform these code changes?
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