St. Johns is located in IECC Climate Zone 2A (Hot - Humid). Get accurate Manual J load calculations with official design temperatures for St. Johns.
Climate Zone 2A requires precise load calculations. Upload your St. Johns blueprint and get a professional Manual J report in 60 seconds— first report is FREE. Pre-loaded with St. Johns's exact design temperatures (32°F winter / 95°F summer).
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Official ASHRAE design temperatures for St. Johns, used for accurate Manual J load calculations.
Minimum insulation and window requirements for St. Johns per IECC 2021.
Energy Code: 2021 IECC
Upload your St. Johns blueprint and get a professional Manual J load calculation using official Zone 2A design temperatures. First report is FREE.
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