Grant, Indiana HVAC Climate Zone

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

Climate Zone
5A
Winter Design
0°F
Summer Design
91°F
ZIP Codes
11

Grant HVAC Contractors: Get Your Free Manual J Report

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

Claim Free Report
No credit card required

Verify Your Grant ZIP Code

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

Grant covers 11 ZIP codes: 46928, 46930, 46933, 46938, 46952, 46953, 46957, 46986, 46987, 46989 and 1 more

Grant Design Temperatures

Official ASHRAE design temperatures for Grant, 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 Grant 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: 2020 IECC

Recommended HVAC Equipment for Grant

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 Grant

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

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

Join 10,000+ Grant contractors who trust AutoHVAC