Butler, Ohio HVAC Climate Zone

Butler is located in IECC Climate Zone 5A (Cool - Humid). Get accurate Manual J load calculations with official design temperatures for Butler.

Climate Zone
5A
Winter Design
0°F
Summer Design
91°F
ZIP Codes
13

Butler HVAC Contractors: Get Your Free Manual J Report

Climate Zone 5A requires precise load calculations. Upload your Butler blueprint and get a professional Manual J report in 60 seconds— first report is FREE. Pre-loaded with Butler's exact design temperatures (0°F winter / 91°F summer).

Claim Free Report
No credit card required

Verify Your Butler ZIP Code

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

Butler covers 13 ZIP codes: 45011, 45013, 45014, 45015, 45042, 45044, 45050, 45053, 45056, 45062 and 3 more

Butler Design Temperatures

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

Winter 99% Design Temp
0°F
Summer 1% Design Temp
91°F
Summer Wet Bulb
75°F

IECC Requirements for Zone 5A

Minimum insulation and window requirements for Butler per IECC 2021.

Wall Insulation:R-20
Roof/Ceiling:R-49
Floor Insulation:R-30
Window U-Factor:0.3
Window SHGC:0.4

Energy Code: 2021 IECC

Recommended HVAC Equipment for Butler

Heating Systems

Gas furnace (95%+ AFUE)
Boiler
Heat pump (cold climate)
Typical AFUE
95-98%

Cooling Systems

AC (13-16 SEER)
Heat pump
Typical SEER
13-16 SEER

Get Free Manual J Calculations for Butler

Upload your Butler blueprint and get a professional Manual J load calculation using official Zone 5A design temperatures. First report is FREE.

Butler design temps
Zone 5A compliant
Ready in 60 seconds
Upload Blueprint → Get Free Report

Join 10,000+ Butler contractors who trust AutoHVAC