San Antonio is located in IECC Climate Zone 2B (Hot - Dry). Get accurate Manual J load calculations with official design temperatures for San Antonio.
Climate Zone 2B requires precise load calculations. Upload your San Antonio blueprint and get a professional Manual J report in 60 seconds— first report is FREE. Pre-loaded with San Antonio's exact design temperatures (31°F winter / 108°F summer).
Enter your ZIP code to confirm it's in San Antonio and get climate zone details.
Official ASHRAE design temperatures for San Antonio, used for accurate Manual J load calculations.
Minimum insulation and window requirements for San Antonio per IECC 2021.
Energy Code: 2021 IECC
Upload your San Antonio blueprint and get a professional Manual J load calculation using official Zone 2B design temperatures. First report is FREE.
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