Climate ZonesTennesseeHardeman

What Climate Zone is Hardeman, Tennessee?

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

Climate Zone
3A
Winter Design
22°F
Summer Design
94°F
ZIP Codes
10

Hardeman HVAC Contractors: Get Your Free Manual J Report

Climate Zone 3A requires precise load calculations. Upload your Hardeman blueprint and get a professional Manual J report in 60 seconds— first report is FREE. Pre-loaded with Hardeman's exact design temperatures (22°F winter / 94°F summer).

Claim Free Report
No credit card required

Verify Your Hardeman ZIP Code

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

Hardeman covers 10 ZIP codes: 38008, 38039, 38042, 38044, 38052, 38061, 38067, 38075, 38381, 38377

Hardeman Design Temperatures

Official ASHRAE design temperatures for Hardeman, 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 Hardeman 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 Hardeman

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
Tennessee
HVAC Permits for
Hardeman, Tennessee

Get Free Manual J Calculations for Hardeman

Upload your Hardeman blueprint and get a professional Manual J load calculation using official Zone 3A design temperatures. First report is FREE.

Hardeman design temps
Zone 3A compliant
Ready in 60 seconds
Upload Blueprint → Get Free Report

Join 10,000+ Hardeman contractors who trust AutoHVAC