Arizona HVAC Load Calculation

Professional HVAC load calculation requirements for Arizona. Get accurate heating and cooling load calculations with state-specific design temperatures, building codes, and local climate considerations for Phoenix, Tucson, Mesa and 2 more cities.

Quick Start Arizona Load Calculator

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

Arizona Design Temperatures

Winter Design Temperature

-2°F

Used for heating load calculations and equipment sizing across Arizona

Summer Design Temperature

109°F

Used for cooling load calculations and equipment sizing across Arizona

Climate Zone Information

Arizona spans climate zones 2B and 3B and 4B and 5B, which means different regions may have varying design requirements. Always verify local design temperatures for your specific project location.

Arizona Building Codes & Requirements

HVAC Requirements

  • High SEER requirements
  • Duct sealing mandatory
  • Cool roof requirements

Note: Special attention to equipment efficiency ratings in extreme heat

Energy Code

2018 IECC

Common Building Types

  • Stucco homes
  • Tile roof construction
  • Commercial retail

Arizona HVAC Challenges

Extreme heat

Solar gain management

Dust infiltration

Monsoon seasons

Quick Facts

State:Arizona
Abbreviation:AZ
Climate Zones:2B, 3B, 4B, 5B
Major Cities:5

Local Resources

Arizona Public Service

utility

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Arizona Department of Housing

government

PHCC Arizona

organization