What are the insulation requirements for Southeast Fairbanks?

For Climate Zone 8 in Southeast Fairbanks, IECC 2021 requires: Wall insulation R-20, Ceiling insulation R-60, Floor insulation R-38, and windows with U-factor 0.3 or lower.

Climate Zones AlaskaSoutheast Fairbanks

What Climate Zone is Southeast Fairbanks, Alaska?

Q: What climate zone is Southeast Fairbanks, Alaska?

Southeast Fairbanks, Alaska is in IECC Climate Zone 8 (Subarctic). The winter design temperature is -42°F and summer design temperature is 72°F.

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

Climate Zone

Winter Design

-42°F

Summer Design

72°F

ZIP Codes

Southeast Fairbanks HVAC Contractors: Get Your Free Manual J Report

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Verify Your Southeast Fairbanks ZIP Code

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

Southeast Fairbanks covers 9 ZIP codes: 99706, 99731, 99732, 99737, 99738, 99764, 99776, 99779, 99780

Southeast Fairbanks Design Temperatures

Official ASHRAE design temperatures for Southeast Fairbanks, 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 Southeast Fairbanks 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 Southeast Fairbanks

Heating Systems

Gas furnace (98%+ AFUE)

Boiler

Oil furnace

Typical AFUE

97-98.5%

Cooling Systems

Not typically needed

Related Climate Zone Pages

Southeast Fairbanks, Alaska

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Southeast Fairbanks design temps

Zone 8 compliant

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