MN

Manual J Requirements in Minnesota

Is Manual J required in Minnesota?

YESMinnesota has adopted 2020 Minnesota Energy Code which requires HVAC loads be calculated per ACCA Manual J for new construction and major renovations.

Energy Code
2020 Minnesota Energy Code
Climate Zones
6A, 7
Major Cities
Minneapolis, St. Paul, Rochester
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Minnesota Energy Code & Manual J

Current Adopted Code

Minnesota has adopted 2020 Minnesota Energy Code as the statewide energy code for residential construction.

HVAC sizing per ACCA Manual J
Duct design per ACCA Manual D
Equipment selection per ACCA Manual S

What Minnesota Building Departments Require

  • Manual J load calculation report
  • Equipment sizing documentation
  • Professional-quality PDF format
  • Climate zone and design temp data

Minnesota Climate Zones & Design Temperatures

IECC Climate Zone
6A

Primary zone covering Minneapolis and surrounding areas

IECC Climate Zone
7

Additional zone in Minnesota

Manual J Requirements by Minnesota City

Minneapolis
Zone 6A
St. Paul
Zone 6A
Rochester
Zone 6A
Duluth
Zone 6A
Bloomington
Zone 6A

How to Get a Manual J Calculation in Minnesota

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AutoHVAC (FREE First Report)

  • Upload your Minnesota blueprint
  • AI extracts all building data
  • Get permit-ready report in 60 seconds
  • No credit card required
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Local Minnesota Contractors

  • Turnaround: 3-7 days
  • $Typical cost: $150-400
  • On-site visit possible
  • Local expertise

DIY Software

  • Time: 30+ minutes per calc
  • $Cost: $5-200+/month
  • CoolCalc, Wrightsoft, etc.
  • Requires manual data entry

Minnesota Manual J FAQ

How much does a Manual J calculation cost in Minnesota?

Local Minnesota 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.

Is a Manual J calculation required in Minnesota?

Yes. Minnesota follows 2020 Minnesota Energy Code which requires heating and cooling loads be calculated per ACCA Manual J for permits on new construction and major HVAC work.

Where can I get a Manual J calculation in Minnesota?

You can get a free Manual J calculation for Minnesota instantly at AutoHVAC — upload your blueprint and receive a permit-ready report in 60 seconds. Alternatively, local Minnesota HVAC contractors charge $150-400 with 3-7 day turnaround, or you can use DIY software like Wrightsoft or CoolCalc ($5-200+/month).

What climate zone is Minnesota in for Manual J?

Minnesota includes IECC climate zones 6A, 7. Zone 6A is most common, covering cities like Minneapolis, St. Paul, Rochester. Climate zone data determines design temperatures and insulation requirements used in Manual J calculations.

Get Your Free Minnesota Manual J Calculation

Join thousands of Minnesota contractors who use AutoHVAC for instant, permit-ready load calculations.

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