Georgia HVAC Load Calculation Guide

Free HVAC load calculation guide for Georgia. Review climate zones, design temperatures, building code context, and local calculator resources for Atlanta, Columbus, Augustaand 2 more cities.

Start with the Free Georgia Load Calculator

Use our residential or commercial calculator to estimate loads with Georgia-relevant climate conditions in mind.

Georgia Design Temperatures

Winter Design Temperature

22°F

Used for heating load calculations and equipment sizing across Georgia

Summer Design Temperature

95°F

Used for cooling load calculations and equipment sizing across Georgia

Climate Zone Information

Georgia spans climate zones Zone 3A, Zone 4A, which means different regions may have varying design requirements. Always verify local design temperatures for your specific project location.

Georgia Building Codes & Requirements

HVAC Requirements

  • Manual J calculations
  • Duct testing requirements
  • Moisture control standards

Note: Special provisions for high-humidity climate control

Energy Code

2018 IECC with Georgia amendments

Common Building Types

  • Traditional frame homes
  • Brick veneer construction
  • Commercial buildings

Georgia HVAC Challenges

High humidity

Mixed heating/cooling loads

Severe weather

Red clay soil

Major Cities in Georgia

Columbus
94°F max
Augusta
95°F max
Macon
94°F max

Quick Facts

State:Georgia
Abbreviation:GA
Climate Zones:Zone 3A, Zone 4A
Major Cities:5

Local Resources

Georgia Power

utility

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Georgia Department of Community Affairs

government

Georgia Association of HVAC Contractors

organization