YES — Wisconsin has adopted 2015 IECC which requires HVAC loads be calculated per ACCA Manual J for new construction and major renovations.
Wisconsin has adopted 2015 IECC as the statewide energy code for residential construction.
Primary zone covering Milwaukee and surrounding areas
Additional zone in Wisconsin
Local Wisconsin contractors typically charge $150-400 for Manual J calculations. AutoHVAC offers your first Manual J calculation completely FREE with permit-ready results in 60 seconds — no credit card required.
Yes. Wisconsin follows 2015 IECC which requires heating and cooling loads be calculated per ACCA Manual J for permits on new construction and major HVAC work.
You can get a free Manual J calculation for Wisconsin instantly at AutoHVAC — upload your blueprint and receive a permit-ready report in 60 seconds. Alternatively, local Wisconsin HVAC contractors charge $150-400 with 3-7 day turnaround, or you can use DIY software like Wrightsoft or CoolCalc ($5-200+/month).
Wisconsin includes IECC climate zones 6A, 7. Zone 6A is most common, covering cities like Milwaukee, Madison, Green Bay. Climate zone data determines design temperatures and insulation requirements used in Manual J calculations.
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