Oklahoma HVAC Load Calculation

Professional HVAC load calculation requirements for Oklahoma. Get accurate heating and cooling load calculations with state-specific design temperatures, building codes, and local climate considerations for Oklahoma City, Tulsa, Norman and 1 more cities.

Quick Start Oklahoma Load Calculator

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

Oklahoma Design Temperatures

Winter Design Temperature

10°F

Used for heating load calculations and equipment sizing across Oklahoma

Summer Design Temperature

97°F

Used for cooling load calculations and equipment sizing across Oklahoma

Climate Zone Information

Oklahoma 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.

Oklahoma Building Codes & Requirements

HVAC Requirements

  • High-efficiency cooling
  • Wind-resistant installation
  • Standard ventilation

Note: Tornado and high wind resistance affects equipment installation

Energy Code

2015 IECC

Common Building Types

  • Ranch homes
  • Agricultural buildings
  • Oil field facilities

Oklahoma HVAC Challenges

Extreme heat

Tornado activity

High winds

Dust storms

Major Cities in Oklahoma

Norman
97°F max
Broken Arrow
96°F max

Quick Facts

State:Oklahoma
Abbreviation:OK
Climate Zones:3A, 4A
Major Cities:4

Local Resources

Oklahoma Gas & Electric

utility

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Oklahoma Department of Commerce

government

Oklahoma HVAC Association

organization