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2026 cost data

Insulation Cost in Houston, TX (2026)

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

Insulation prices per square foot

Installed prices — material plus labor — adjusted for Houston, TX labor rates.

Job typeInstalled cost / sq ft1,500 sq ft attic
Attic blown-in fiberglass (R-49)$1.70$2,553
Attic blown-in cellulose (R-49)$1.56$2,346
Attic fiberglass batts (R-38)$1.47$2,208
Wall batts, open framing (R-15)$1.61$2,415
Wall dense-pack retrofit (drill & fill)$2.39$3,588
Crawlspace floor or wall insulation$1.93$2,898
Basement rigid foam + framing$2.85$4,278
Open-cell spray foam (3.5")$1.79$2,691
Closed-cell spray foam (2")$3.31$4,968
Old insulation removal & disposal$1.43$2,139

What whole jobs cost

Typical projectLocal price range
Attic top-up (1,500 sq ft)$1,380 – $2,392
Full attic removal + re-insulate$2,944 – $4,968
Whole-house wall retrofit (2,000 sq ft home)$3,864 – $7,176
Crawlspace encapsulation + insulation$3,496 – $8,280
Garage conversion insulation$828 – $2,024
Whole-home spray foam (new build)$6,900 – $14,720

Climate zone 2 R-value targets

Department of Energy retrofit recommendations for this zone.

Attic
R-49
Walls
R-13
Floors
R-13
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 Houston metro compares with the rest of Texas.

Insulation cost in Texas →

Insulation cost FAQs for Houston, TX

How much does attic insulation cost in Houston, TX?

A 1,500 sq ft attic blown to R-49 runs about $2,170 to $3,064 installed in Houston, TX, or roughly $1.70 per square foot. DIY with rented equipment cuts that by 45–60%.

Is insulation cheaper to DIY in Houston, TX?

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 Houston, TX?

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 Houston, TX?

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 Houston, TX

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

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