Iowa HVAC Load Calculation

Professional HVAC load calculation requirements for Iowa. Get accurate heating and cooling load calculations with state-specific design temperatures, building codes, and local climate considerations for Des Moines, Cedar Rapids, Davenport and 1 more cities.

Quick Start Iowa Load Calculator

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

Iowa Design Temperatures

Winter Design Temperature

-9°F

Used for heating load calculations and equipment sizing across Iowa

Summer Design Temperature

91°F

Used for cooling load calculations and equipment sizing across Iowa

Climate Zone Information

Iowa 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.

Iowa Building Codes & Requirements

HVAC Requirements

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

Note: Agricultural applications require special filtration consideration

Energy Code

2015 IECC

Common Building Types

  • Farm houses
  • Manufactured homes
  • Small town commercial

Iowa HVAC Challenges

Cold winters

Agricultural dust

Severe weather

Rural service areas

Major Cities in Iowa

Cedar Rapids
89°F max
Davenport
90°F max
Sioux City
90°F max

Quick Facts

State:Iowa
Abbreviation:IA
Climate Zones:5A, 6A
Major Cities:4

Local Resources

MidAmerican Energy

utility

Visit Website →

Iowa Economic Development Authority

government

Iowa HVAC Association

organization