HVAC Permits in Michigan

Complete guide to HVAC permit requirements, energy code compliance, and building department information for contractors working in Michigan.

86
Major Cities
989
ZIP Codes
2020 IECC
Energy Code
3
Climate Zones

Michigan Energy Code Requirements

Understanding the energy efficiency standards that govern HVAC installations in Michigan

Current Energy Code

2020 IECC

Current Standard

Statewide energy efficiency requirements for HVAC systems, equipment, and building envelope performance.

Common Requirements

Manual J load calculations
Equipment efficiency ratings
Duct system design
Building envelope compliance

Important Note

Local jurisdictions may have additional requirements beyond the state energy code. Always verify specific compliance needs with your local building department.

HVAC Permits by City in Michigan

Oakland

Zone 5A

Oakland County • 65 ZIP codes

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Detroit

Zone 6A

Wayne County • 54 ZIP codes

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Macomb

Zone 5A

Macomb County • 35 ZIP codes

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Wayne

Zone 5A

Wayne County • 31 ZIP codes

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Genesee

Zone 5A

Genesee County • 23 ZIP codes

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St. Clair

Zone 5A

St. Clair County • 21 ZIP codes

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Berrien

Zone 5A

Berrien County • 21 ZIP codes

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Grand Rapids

Zone 6A

Kent County • 18 ZIP codes

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Saginaw

Zone 5A

Saginaw County • 18 ZIP codes

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Lenawee

Zone 5A

Lenawee County • 18 ZIP codes

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Jackson

Zone 5A

Jackson County • 17 ZIP codes

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Houghton

Zone 7

Houghton County • 17 ZIP codes

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Sanilac

Zone 6A

Sanilac County • 16 ZIP codes

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Montcalm

Zone 5A

Montcalm County • 16 ZIP codes

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Kalamazoo

Zone 5A

Kalamazoo County • 16 ZIP codes

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Washtenaw

Zone 5A

Washtenaw County • 15 ZIP codes

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Monroe

Zone 5A

Monroe County • 15 ZIP codes

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Kent

Zone 5A

Kent County • 15 ZIP codes

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Chippewa

Zone 7

Chippewa County • 15 ZIP codes

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Huron

Zone 6A

Huron County • 14 ZIP codes

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Tuscola

Zone 5A

Tuscola County • 14 ZIP codes

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Gratiot

Zone 5A

Gratiot County • 14 ZIP codes

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Allegan

Zone 5A

Allegan County • 14 ZIP codes

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Hillsdale

Zone 5A

Hillsdale County • 14 ZIP codes

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Ottawa

Zone 5A

Ottawa County • 14 ZIP codes

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Van Buren

Zone 5A

Van Buren County • 13 ZIP codes

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Muskegon

Zone 5A

Muskegon County • 13 ZIP codes

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Shiawassee

Zone 5A

Shiawassee County • 12 ZIP codes

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Ingham

Zone 5A

Ingham County • 12 ZIP codes

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Calhoun

Zone 5A

Calhoun County • 12 ZIP codes

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Menominee

Zone 6A

Menominee County • 12 ZIP codes

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Lapeer

Zone 5A

Lapeer County • 11 ZIP codes

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Ionia

Zone 5A

Ionia County • 11 ZIP codes

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Dickinson

Zone 6A

Dickinson County • 11 ZIP codes

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Marquette

Zone 6A

Marquette County • 11 ZIP codes

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Eaton

Zone 5A

Eaton County • 10 ZIP codes

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St. Joseph

Zone 5A

St. Joseph County • 10 ZIP codes

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Antrim

Zone 6A

Antrim County • 10 ZIP codes

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Manistee

Zone 6A

Manistee County • 10 ZIP codes

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Emmet

Zone 6A

Emmet County • 10 ZIP codes

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Mackinac

Zone 7

Mackinac County • 10 ZIP codes

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Alger

Zone 6A

Alger County • 10 ZIP codes

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Delta

Zone 6A

Delta County • 10 ZIP codes

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Livingston

Zone 5A

Livingston County • 9 ZIP codes

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Bay

Zone 5A

Bay County • 9 ZIP codes

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Alcona

Zone 6A

Alcona County • 9 ZIP codes

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Clinton

Zone 5A

Clinton County • 9 ZIP codes

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Ontonagon

Zone 7

Ontonagon County • 9 ZIP codes

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Lansing

Zone 6A

Ingham County • 8 ZIP codes

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Iosco

Zone 6A

Iosco County • 8 ZIP codes

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Barry

Zone 5A

Barry County • 8 ZIP codes

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Mecosta

Zone 6A

Mecosta County • 8 ZIP codes

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Oceana

Zone 6A

Oceana County • 8 ZIP codes

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Leelanau

Zone 6A

Leelanau County • 8 ZIP codes

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Arenac

Zone 6A

Arenac County • 7 ZIP codes

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Cass

Zone 5A

Cass County • 7 ZIP codes

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Mason

Zone 6A

Mason County • 7 ZIP codes

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Benzie

Zone 6A

Benzie County • 7 ZIP codes

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Osceola

Zone 6A

Osceola County • 7 ZIP codes

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Grand Traverse

Zone 6A

Grand Traverse County • 7 ZIP codes

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Cheboygan

Zone 6A

Cheboygan County • 7 ZIP codes

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Iron

Zone 7

Iron County • 7 ZIP codes

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Midland

Zone 5A

Midland County • 6 ZIP codes

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Roscommon

Zone 6A

Roscommon County • 6 ZIP codes

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Isabella

Zone 6A

Isabella County • 6 ZIP codes

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Branch

Zone 5A

Branch County • 6 ZIP codes

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Newaygo

Zone 6A

Newaygo County • 6 ZIP codes

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Wexford

Zone 6A

Wexford County • 6 ZIP codes

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Charlevoix

Zone 6A

Charlevoix County • 6 ZIP codes

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Presque Isle

Zone 6A

Presque Isle County • 6 ZIP codes

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Gogebic

Zone 7

Gogebic County • 6 ZIP codes

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Clare

Zone 6A

Clare County • 5 ZIP codes

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Lake

Zone 6A

Lake County • 5 ZIP codes

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Alpena

Zone 6A

Alpena County • 5 ZIP codes

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Schoolcraft

Zone 7

Schoolcraft County • 5 ZIP codes

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Baraga

Zone 7

Baraga County • 5 ZIP codes

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Oscoda

Zone 6A

Oscoda County • 4 ZIP codes

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Ogemaw

Zone 6A

Ogemaw County • 4 ZIP codes

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Missaukee

Zone 6A

Missaukee County • 4 ZIP codes

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Kalkaska

Zone 6A

Kalkaska County • 4 ZIP codes

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Keweenaw

Zone 7

Keweenaw County • 4 ZIP codes

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Gladwin

Zone 6A

Gladwin County • 3 ZIP codes

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Montmorency

Zone 6A

Montmorency County • 3 ZIP codes

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Otsego

Zone 6A

Otsego County • 3 ZIP codes

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Crawford

Zone 6A

Crawford County • 2 ZIP codes

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Luce

Zone 7

Luce County • 2 ZIP codes

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Need Professional Load Calculations?

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✅ Equipment sizing recommendations
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Frequently Asked Questions

Everything you need to know about HVAC permits and energy code compliance in Michigan

1What energy code does Michigan follow?

Michigan follows the 2020 IECC for energy efficiency requirements. This includes specific standards for HVAC equipment efficiency, duct design, and building envelope performance.

2Are Manual J calculations required in Michigan?

Most jurisdictions in Michigan require Manual J load calculations for proper HVAC system sizing. Our free load calculation tool can generate the professional reports you need for permits.

3How long does it take to get HVAC permits in Michigan?

Permit processing times vary by jurisdiction, typically ranging from 1-3 weeks. Having complete documentation including load calculations can speed up the process. Check with your local building department for specific timeframes.

4Do I need different permits for different types of HVAC work?

Yes, permit requirements vary based on the scope of work. New installations typically require mechanical permits, while simple repairs may not need permits. Replacements usually require permits if there are changes to the system capacity or ductwork.

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Need Climate Zone Data for Michigan?

Get official IECC climate zone information, design temperatures, and R-value requirements for accurate Manual J calculations in Michigan.

View Michigan Climate Zones