Clark is located in IECC Climate Zone 5A (Cool - Humid). Get accurate Manual J load calculations with official design temperatures for Clark.
Climate Zone 5A requires precise load calculations. Upload your Clark blueprint and get a professional Manual J report in 60 seconds— first report is FREE. Pre-loaded with Clark's exact design temperatures (0°F winter / 91°F summer).
Enter your ZIP code to confirm it's in Clark and get climate zone details.
Official ASHRAE design temperatures for Clark, used for accurate Manual J load calculations.
Minimum insulation and window requirements for Clark per IECC 2021.
Energy Code: 2020 IECC
Upload your Clark blueprint and get a professional Manual J load calculation using official Zone 5A design temperatures. First report is FREE.
Join 10,000+ Clark contractors who trust AutoHVAC