SmartInsulationCalculator

2026 cost data

Insulation Cost in Alaska (2026)

Insulation in Alaska costs well above the national average — ranked 50 of 51 for installed price. Alaska sits in climate zone 7, so attics should hit R-60.

Insulation prices per square foot

Installed prices — material plus labor — adjusted for Alaska labor rates.

Job typeInstalled cost / sq ft1,500 sq ft attic
Attic blown-in fiberglass (R-49)$2.63$3,940
Attic blown-in cellulose (R-49)$2.41$3,621
Attic fiberglass batts (R-38)$2.27$3,408
Wall batts, open framing (R-15)$2.48$3,728
Wall dense-pack retrofit (drill & fill)$3.69$5,538
Crawlspace floor or wall insulation$2.98$4,473
Basement rigid foam + framing$4.40$6,603
Open-cell spray foam (3.5")$2.77$4,153
Closed-cell spray foam (2")$5.11$7,668
Old insulation removal & disposal$2.20$3,302

What whole jobs cost

Typical projectLocal price range
Attic top-up (1,500 sq ft)$2,130 – $3,692
Full attic removal + re-insulate$4,544 – $7,668
Whole-house wall retrofit (2,000 sq ft home)$5,964 – $11,076
Crawlspace encapsulation + insulation$5,396 – $12,780
Garage conversion insulation$1,278 – $3,124
Whole-home spray foam (new build)$10,650 – $22,720

Climate zone 7 R-value targets

Department of Energy retrofit recommendations for this zone.

Attic
R-60
Walls
R-21
Floors
R-38
Check your current R-value →

Price your own job

These tables are averages. Punch in your real measurements for a number you can compare against a bid.

Insulation costAtticBlown-in bagsProject total

Insulation cost FAQs for Alaska

How much does attic insulation cost in Alaska?

A 1,500 sq ft attic blown to R-49 runs about $3,349 to $4,729 installed in Alaska, or roughly $2.63 per square foot. DIY with rented equipment cuts that by 45–60%.

Is insulation cheaper to DIY in Alaska?

Yes. Labor is most of an insulation bid, so blowing your own attic or installing batts typically saves 45–60% of the installed price. Spray foam, dense-pack wall retrofits and removal jobs are worth hiring out.

What drives insulation prices in Alaska?

Local labor rates, how far crews travel, attic access, whether old insulation has to be removed first, and the R-value your climate zone calls for. Material prices barely change between states — labor is the swing factor.

Are there rebates in Alaska?

The federal 25C tax credit covers 30% of insulation and air-sealing material costs up to $1,200 per year, and most utilities add their own attic and air-sealing rebates. Always check with your utility before booking work.

Materials for an insulation job in Alaska

Fiberglass Insulation Rolls R13Browse current prices and top-rated options on Amazon

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