Vilas, Wisconsin HVAC Climate Zone

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

Climate Zone
7
Winter Design
-18°F
Summer Design
87°F
ZIP Codes
11

Vilas HVAC Contractors: Get Your Free Manual J Report

Climate Zone 7 requires precise load calculations. Upload your Vilas blueprint and get a professional Manual J report in 60 seconds— first report is FREE. Pre-loaded with Vilas's exact design temperatures (-18°F winter / 87°F summer).

Claim Free Report
No credit card required

Verify Your Vilas ZIP Code

Enter your ZIP code to confirm it's in Vilas and get climate zone details.

Vilas covers 11 ZIP codes: 54512, 54519, 54521, 54540, 54545, 54554, 54557, 54558, 54560, 54561 and 1 more

Vilas Design Temperatures

Official ASHRAE design temperatures for Vilas, 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 Vilas 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: 2021 IECC

Recommended HVAC Equipment for Vilas

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

Get Free Manual J Calculations for Vilas

Upload your Vilas blueprint and get a professional Manual J load calculation using official Zone 7 design temperatures. First report is FREE.

Vilas design temps
Zone 7 compliant
Ready in 60 seconds
Upload Blueprint → Get Free Report

Join 10,000+ Vilas contractors who trust AutoHVAC