Climate ZonesOklahomaMayes

Mayes, Oklahoma HVAC Climate Zone

Mayes is located in IECC Climate Zone 3A (Warm - Humid). Get accurate Manual J load calculations with official design temperatures for Mayes.

Climate Zone
3A
Winter Design
22°F
Summer Design
94°F
ZIP Codes
9

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Verify Your Mayes ZIP Code

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Mayes covers 9 ZIP codes: 74330, 74337, 74340, 74350, 74352, 74361, 74365, 74366, 74367

Mayes Design Temperatures

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

Winter 99% Design Temp
22°F
Summer 1% Design Temp
94°F
Summer Wet Bulb
75°F

IECC Requirements for Zone 3A

Minimum insulation and window requirements for Mayes per IECC 2021.

Wall Insulation:R-20
Roof/Ceiling:R-30
Floor Insulation:R-19
Window U-Factor:0.32
Window SHGC:0.25

Energy Code: 2021 IECC

Recommended HVAC Equipment for Mayes

Heating Systems

Gas furnace
Heat pump
Typical AFUE
90-95%

Cooling Systems

AC (14-16 SEER)
Heat pump
Typical SEER
14-16 SEER

Related Climate Zone Pages

Learn More About
Climate Zone 3A
View All Zones in
Oklahoma
HVAC Permits for
Mayes, Oklahoma

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Mayes design temps
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