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2026 cost data

Insulation Cost in Phoenix, AZ (2026)

Insulation contractors in Phoenix, AZ price close to the national average. Here is what attic, wall, crawlspace and spray foam work should cost in the Phoenix metro in 2026.

Insulation prices per square foot

Installed prices — material plus labor — adjusted for Phoenix, AZ labor rates.

Job typeInstalled cost / sq ft1,500 sq ft attic
Attic blown-in fiberglass (R-49)$1.78$2,664
Attic blown-in cellulose (R-49)$1.63$2,448
Attic fiberglass batts (R-38)$1.54$2,304
Wall batts, open framing (R-15)$1.68$2,520
Wall dense-pack retrofit (drill & fill)$2.50$3,744
Crawlspace floor or wall insulation$2.02$3,024
Basement rigid foam + framing$2.98$4,464
Open-cell spray foam (3.5")$1.87$2,808
Closed-cell spray foam (2")$3.46$5,184
Old insulation removal & disposal$1.49$2,232

What whole jobs cost

Typical projectLocal price range
Attic top-up (1,500 sq ft)$1,440 – $2,496
Full attic removal + re-insulate$3,072 – $5,184
Whole-house wall retrofit (2,000 sq ft home)$4,032 – $7,488
Crawlspace encapsulation + insulation$3,648 – $8,640
Garage conversion insulation$864 – $2,112
Whole-home spray foam (new build)$7,200 – $15,360

Climate zone 3 R-value targets

Department of Energy retrofit recommendations for this zone.

Attic
R-49
Walls
R-20
Floors
R-25
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

Statewide context

See how the Phoenix metro compares with the rest of Arizona.

Insulation cost in Arizona →

Insulation cost FAQs for Phoenix, AZ

How much does attic insulation cost in Phoenix, AZ?

A 1,500 sq ft attic blown to R-49 runs about $2,264 to $3,197 installed in Phoenix, AZ, or roughly $1.78 per square foot. DIY with rented equipment cuts that by 45–60%.

Is insulation cheaper to DIY in Phoenix, AZ?

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 Phoenix, AZ?

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 Phoenix, AZ?

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 Phoenix, AZ

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

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