Insulation Cost in 20 US Cities (2026)
Installation of home insulation in attics, walls, and crawl spaces.
National Average (per project)
Low
$1,000
Average
$2,500
High
$5,000
Insulation Cost Breakdown
| Item | Description | Low | High | Unit |
|---|---|---|---|---|
| Insulation material | Fiberglass batts, blown-in, or spray foam | $0.5 | $3.5 | per sqft |
| Vapor barrier | Polyethylene sheeting for moisture control | $0.1 | $0.3 | per sqft |
| Air sealing | Caulking and foam sealing around penetrations | $100 | $500 | flat |
| Old insulation removal | Removal and disposal of existing insulation | $0 | $1.5 | per sqft |
| Labor | Insulation installer crew | $0.5 | $2.5 | per sqft |
* These are national average costs. Actual prices vary by city — select a metro below for local estimates.
Installation of home insulation in attics, walls, and crawl spaces.
Insulation Cost by City
Houston, TX
per project
$2,375
$950–$4,750
Dallas, TX
per project
$2,425
$970–$4,850
Phoenix, AZ
per project
$2,325
$930–$4,650
San Antonio, TX
per project
$2,200
$880–$4,400
Austin, TX
per project
$2,550
$1,020–$5,100
Fort Myers, FL
per project
$2,400
$960–$4,800
Charlotte, NC
per project
$2,350
$940–$4,700
Nashville, TN
per project
$2,400
$960–$4,800
Raleigh, NC
per project
$2,375
$950–$4,750
Boise, ID
per project
$2,300
$920–$4,600
Tampa, FL
per project
$2,375
$950–$4,750
Denver, CO
per project
$2,625
$1,050–$5,250
Atlanta, GA
per project
$2,425
$970–$4,850
Orlando, FL
per project
$2,350
$940–$4,700
Jacksonville, FL
per project
$2,275
$910–$4,550
Las Vegas, NV
per project
$2,450
$980–$4,900
Salt Lake City, UT
per project
$2,400
$960–$4,800
Columbus, OH
per project
$2,250
$900–$4,500
Indianapolis, IN
per project
$2,225
$890–$4,450
San Diego, CA
per project
$2,950
$1,180–$5,900