Climate ZonesMinnesotaMille Lacs

Mille Lacs, Minnesota HVAC Climate Zone

Mille Lacs is located in IECC Climate Zone 7 (Very Cold). Get accurate Manual J load calculations with official design temperatures for Mille Lacs.

Climate Zone
7
Winter Design
-18°F
Summer Design
87°F
ZIP Codes
7

Mille Lacs HVAC Contractors: Get Your Free Manual J Report

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Verify Your Mille Lacs ZIP Code

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Mille Lacs covers 7 ZIP codes: 55371, 56313, 56330, 56342, 56353, 56359, 56386

Mille Lacs Design Temperatures

Official ASHRAE design temperatures for Mille Lacs, used for accurate Manual J load calculations.

Winter 99% Design Temp
-18°F
Summer 1% Design Temp
87°F
Summer Wet Bulb
70°F

IECC Requirements for Zone 7

Minimum insulation and window requirements for Mille Lacs per IECC 2021.

Wall Insulation:R-20
Roof/Ceiling:R-60
Floor Insulation:R-38
Window U-Factor:0.3
Window SHGC:0.45

Energy Code: 2020 IECC

Recommended HVAC Equipment for Mille Lacs

Heating Systems

Gas furnace (97%+ AFUE)
Boiler
Cold climate heat pump with backup
Typical AFUE
97-98.5%

Cooling Systems

AC (minimal, 13 SEER)
Typical SEER
13 SEER

Related Climate Zone Pages

Learn More About
Climate Zone 7
View All Zones in
Minnesota
HVAC Permits for
Mille Lacs, Minnesota

Get Free Manual J Calculations for Mille Lacs

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Mille Lacs design temps
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