Wisconsin HVAC Load Calculation

Professional HVAC load calculation requirements for Wisconsin. Get accurate heating and cooling load calculations with state-specific design temperatures, building codes, and local climate considerations for Milwaukee, Madison, Green Bay and 2 more cities.

Quick Start Wisconsin Load Calculator

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

Wisconsin Design Temperatures

Winter Design Temperature

-10°F

Used for heating load calculations and equipment sizing across Wisconsin

Summer Design Temperature

87°F

Used for cooling load calculations and equipment sizing across Wisconsin

Climate Zone Information

Wisconsin spans climate zones 5A and 6A, which means different regions may have varying design requirements. Always verify local design temperatures for your specific project location.

Wisconsin Building Codes & Requirements

HVAC Requirements

  • High-efficiency heating
  • Air sealing requirements
  • Ventilation standards

Note: Agricultural applications require special consideration for livestock comfort

Energy Code

2015 IECC with Wisconsin amendments

Common Building Types

  • Traditional homes
  • Lake homes
  • Dairy facilities

Wisconsin HVAC Challenges

Cold winters

Lake effect weather

Agricultural environments

Freeze protection

Quick Facts

State:Wisconsin
Abbreviation:WI
Climate Zones:5A, 6A
Major Cities:5

Local Resources

We Energies

utility

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Wisconsin Department of Safety

government

Wisconsin HVAC Association

organization