Climate ZonesMichiganIonia

Ionia, Michigan HVAC Climate Zone

Ionia is located in IECC Climate Zone 5A (Cool - Humid). Get accurate Manual J load calculations with official design temperatures for Ionia.

Climate Zone
5A
Winter Design
0°F
Summer Design
91°F
ZIP Codes
11

Ionia HVAC Contractors: Get Your Free Manual J Report

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Verify Your Ionia ZIP Code

Enter your ZIP code to confirm it's in Ionia and get climate zone details.

Ionia covers 11 ZIP codes: 48809, 48815, 48845, 48846, 48849, 48851, 48860, 48865, 48873, 48875 and 1 more

Ionia Design Temperatures

Official ASHRAE design temperatures for Ionia, used for accurate Manual J load calculations.

Winter 99% Design Temp
0°F
Summer 1% Design Temp
91°F
Summer Wet Bulb
75°F

IECC Requirements for Zone 5A

Minimum insulation and window requirements for Ionia per IECC 2021.

Wall Insulation:R-20
Roof/Ceiling:R-49
Floor Insulation:R-30
Window U-Factor:0.3
Window SHGC:0.4

Energy Code: 2020 IECC

Recommended HVAC Equipment for Ionia

Heating Systems

Gas furnace (95%+ AFUE)
Boiler
Heat pump (cold climate)
Typical AFUE
95-98%

Cooling Systems

AC (13-16 SEER)
Heat pump
Typical SEER
13-16 SEER

Related Climate Zone Pages

Learn More About
Climate Zone 5A
View All Zones in
Michigan
HVAC Permits for
Ionia, Michigan

Get Free Manual J Calculations for Ionia

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Ionia design temps
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