Armstrong is located in IECC Climate Zone 4B (Mixed - Dry). Get accurate Manual J load calculations with official design temperatures for Armstrong.
Climate Zone 4B requires precise load calculations. Upload your Armstrong blueprint and get a professional Manual J report in 60 seconds— first report is FREE. Pre-loaded with Armstrong's exact design temperatures (3°F winter / 92°F summer).
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Official ASHRAE design temperatures for Armstrong, used for accurate Manual J load calculations.
Minimum insulation and window requirements for Armstrong per IECC 2021.
Energy Code: 2021 IECC
Upload your Armstrong blueprint and get a professional Manual J load calculation using official Zone 4B design temperatures. First report is FREE.
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