Georgia HVAC Climate Zones

Georgia spans 2 IECC climate zones. Find your exact zone, design temperatures, and get free Manual J load calculations for any Georgia location.

Find Your Georgia Climate Zone

Climate Zones in Georgia

Climate Zone 2A

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Hot - Humid

Design Temperatures

Winter
32°F
Summer
95°F
Wet Bulb
77°F

IECC 2021 Requirements

Wall:R-13
Roof:R-30
Floor:R-13
Window U:0.4

Load Characteristic

Cooling-Dominated
humid Climate

Climate Zone 3A

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Warm - Humid

Design Temperatures

Winter
22°F
Summer
94°F
Wet Bulb
75°F

IECC 2021 Requirements

Wall:R-20
Roof:R-30
Floor:R-19
Window U:0.32

Load Characteristic

Balanced Loads
humid Climate

Recommended Equipment for Georgia

Based on Climate Zone 2A (Hot - Humid), here are typical HVAC equipment specifications for Georgia installations.

Heating Systems

Gas furnace
Heat pump
Electric resistance
Typical AFUE Rating
80-92%

Annual Fuel Utilization Efficiency for Georgia furnaces

Cooling Systems

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

Seasonal Energy Efficiency Ratio for Georgia AC systems

Why Accurate Climate Data Matters in Georgia

Accurate Sizing

Georgia's climate zone data ensures proper equipment sizing. No more callbacks from oversized or undersized systems.

Code Compliance

Georgia building departments require IECC-compliant Manual J calculations. Our tool uses official Georgia climate data.

Energy Savings

Right-sized systems based on Georgia climate data reduce energy costs for homeowners and improve your reputation.

Get Free Manual J Calculations for Georgia

Upload your Georgia blueprint and get a professional Manual J load calculation with official climate zone data. First report is FREE.

Zone 2A design temps
IECC 2021 compliant
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Climate Zones by City in Georgia

Get detailed climate zone information for major cities

Need Georgia HVAC permit forms and building department contacts?

View Georgia Permit Directory