Alabama HVAC Load Calculation
Professional HVAC load calculation requirements for Alabama. Get accurate heating and cooling load calculations with state-specific design temperatures, building codes, and local climate considerations for Birmingham, Montgomery, Mobile and 1 more cities.
Quick Start Alabama Load Calculator
Get started with your Alabama HVAC load calculation using our professional tools designed for local climate conditions.
Alabama Design Temperatures
Winter Design Temperature
Used for heating load calculations and equipment sizing across Alabama
Summer Design Temperature
Used for cooling load calculations and equipment sizing across Alabama
Climate Zone Information
Alabama spans climate zones 3A and 4A, which means different regions may have varying design requirements. Always verify local design temperatures for your specific project location.
Alabama Building Codes & Requirements
HVAC Requirements
- • Manual J calculations required
- • Duct leakage testing
- • Ventilation requirements per ASHRAE 62.2
Note: High moisture control requirements in coastal areas
Energy Code
2015 IECC with amendments
Common Building Types
- • Single-family homes
- • Mobile homes
- • Light commercial
Alabama HVAC Challenges
High humidity
Severe weather events
Mixed heating/cooling loads
Termite protection
Major Cities in Alabama
Quick Facts
Local Resources
Alabama Building Commission
government
Alabama HVAC Association
organization