Spalding is located in IECC Climate Zone 3A (Warm - Humid). Get accurate Manual J load calculations with official design temperatures for Spalding.
Climate Zone 3A requires precise load calculations. Upload your Spalding blueprint and get a professional Manual J report in 60 seconds— first report is FREE. Pre-loaded with Spalding's exact design temperatures (22°F winter / 94°F summer).
Enter your ZIP code to confirm it's in Spalding and get climate zone details.
Official ASHRAE design temperatures for Spalding, used for accurate Manual J load calculations.
Minimum insulation and window requirements for Spalding per IECC 2021.
Energy Code: 2021 IECC
Upload your Spalding blueprint and get a professional Manual J load calculation using official Zone 3A design temperatures. First report is FREE.
Join 10,000+ Spalding contractors who trust AutoHVAC