What are the insulation requirements for Kenai Peninsula?

For Climate Zone 7 in Kenai Peninsula, 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 AlaskaKenai Peninsula

What Climate Zone is Kenai Peninsula, Alaska?

Q: What climate zone is Kenai Peninsula, Alaska?

Kenai Peninsula, Alaska is in IECC Climate Zone 7 (Very Cold). The winter design temperature is -18°F and summer design temperature is 87°F.

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

Climate Zone

Winter Design

-18°F

Summer Design

87°F

ZIP Codes

Kenai Peninsula HVAC Contractors: Get Your Free Manual J Report

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Verify Your Kenai Peninsula ZIP Code

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

Kenai Peninsula covers 15 ZIP codes: 99556, 99568, 99572, 99603, 99605, 99610, 99611, 99631, 99635, 99639 and 5 more

Kenai Peninsula Design Temperatures

Official ASHRAE design temperatures for Kenai Peninsula, 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 Kenai Peninsula 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 Kenai Peninsula

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

Kenai Peninsula, Alaska

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Kenai Peninsula design temps

Zone 7 compliant

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