Mesa, Arizona HVAC Climate Zone

Mesa is located in IECC Climate Zone 2B (Hot - Dry). Get accurate Manual J load calculations with official design temperatures for Mesa.

Climate Zone
2B
Winter Design
31°F
Summer Design
108°F
ZIP Codes
24

Mesa HVAC Contractors: Get Your Free Manual J Report

Climate Zone 2B requires precise load calculations. Upload your Mesa blueprint and get a professional Manual J report in 60 seconds— first report is FREE. Pre-loaded with Mesa's exact design temperatures (31°F winter / 108°F summer).

Claim Free Report
No credit card required

Verify Your Mesa ZIP Code

Enter your ZIP code to confirm it's in Mesa and get climate zone details.

Mesa covers 24 ZIP codes: 85201, 85202, 85203, 85204, 85205, 85206, 85207, 85208, 85209, 85210 and 14 more

Mesa Design Temperatures

Official ASHRAE design temperatures for Mesa, used for accurate Manual J load calculations.

Winter 99% Design Temp
31°F
Summer 1% Design Temp
108°F
Summer Wet Bulb
71°F

IECC Requirements for Zone 2B

Minimum insulation and window requirements for Mesa per IECC 2021.

Wall Insulation:R-13
Roof/Ceiling:R-30
Floor Insulation:R-13
Window U-Factor:0.4
Window SHGC:0.25

Energy Code: 2021 IECC

Recommended HVAC Equipment for Mesa

Heating Systems

Gas furnace
Heat pump
Electric resistance
Typical AFUE
80-90%

Cooling Systems

AC (14-16 SEER)
Evaporative cooling (swamp cooler)
Typical SEER
14-16 SEER

Get Free Manual J Calculations for Mesa

Upload your Mesa blueprint and get a professional Manual J load calculation using official Zone 2B design temperatures. First report is FREE.

Mesa design temps
Zone 2B compliant
Ready in 60 seconds
Upload Blueprint → Get Free Report

Join 10,000+ Mesa contractors who trust AutoHVAC