Climate ZonesAlaskaFairbanks North Star

What Climate Zone is Fairbanks North Star, Alaska?

Fairbanks North Star is in IECC Climate Zone 8 (Subarctic). Get accurate Manual J load calculations with official design temperatures for Fairbanks North Star.

Climate Zone
8
Winter Design
-42°F
Summer Design
72°F
ZIP Codes
14

Fairbanks North Star HVAC Contractors: Get Your Free Manual J Report

Climate Zone 8 requires precise load calculations. Upload your Fairbanks North Star blueprint and get a professional Manual J report in 60 seconds— first report is FREE. Pre-loaded with Fairbanks North Star's exact design temperatures (-42°F winter / 72°F summer).

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Verify Your Fairbanks North Star ZIP Code

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

Fairbanks North Star covers 14 ZIP codes: 99701, 99702, 99703, 99705, 99707, 99708, 99709, 99710, 99711, 99712 and 4 more

Fairbanks North Star Design Temperatures

Official ASHRAE design temperatures for Fairbanks North Star, used for accurate Manual J load calculations.

Winter 99% Design Temp
-42°F
Summer 1% Design Temp
72°F
Summer Wet Bulb
60°F

IECC Requirements for Zone 8

Minimum insulation and window requirements for Fairbanks North Star per IECC 2021.

Wall Insulation:R-20
Roof/Ceiling:R-60
Floor Insulation:R-38
Window U-Factor:0.3
Window SHGC:0.5

Energy Code: 2021 IECC

Recommended HVAC Equipment for Fairbanks North Star

Heating Systems

Gas furnace (98%+ AFUE)
Boiler
Oil furnace
Typical AFUE
97-98.5%

Cooling Systems

Not typically needed

Related Climate Zone Pages

Learn More About
Climate Zone 8
View All Zones in
Alaska
HVAC Permits for
Fairbanks North Star, Alaska

Get Free Manual J Calculations for Fairbanks North Star

Upload your Fairbanks North Star blueprint and get a professional Manual J load calculation using official Zone 8 design temperatures. First report is FREE.

Fairbanks North Star design temps
Zone 8 compliant
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