Tennessee HVAC Load Calculation

Professional HVAC load calculation requirements for Tennessee. Get accurate heating and cooling load calculations with state-specific design temperatures, building codes, and local climate considerations for Nashville, Memphis, Knoxville and 2 more cities.

Quick Start Tennessee Load Calculator

Get started with your Tennessee HVAC load calculation using our professional tools designed for local climate conditions.

Tennessee Design Temperatures

Winter Design Temperature

14°F

Used for heating load calculations and equipment sizing across Tennessee

Summer Design Temperature

94°F

Used for cooling load calculations and equipment sizing across Tennessee

Climate Zone Information

Tennessee 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.

Tennessee Building Codes & Requirements

HVAC Requirements

  • Manual J calculations
  • Duct testing recommended
  • Humidity control standards

Note: Mountain areas require special consideration for altitude and access

Energy Code

2015 IECC with Tennessee amendments

Common Building Types

  • Traditional homes
  • Mountain cabins
  • Commercial buildings

Tennessee HVAC Challenges

Varied topography

High humidity

Severe weather

Mixed climate loads

Quick Facts

State:Tennessee
Abbreviation:TN
Climate Zones:3A, 4A
Major Cities:5

Local Resources

Tennessee Valley Authority

utility

Visit Website →

Tennessee Department of Environment

government

Tennessee HVAC Association

organization