Insulation Cost in Waterbury, CT in 2026
Most Insulation projects in Waterbury, CT cost between $1,600 and $6,500. The typical price is $3,200.
Labour and materials in Waterbury run about 16% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Batt, blown-in cellulose or closed-cell spray foam
- Target R-value for your climate zone
- Attic, wall or crawlspace access
- Air sealing done alongside the insulation
Usually included
- Insulation material to the specified R-value
- Installation and air sealing at obvious gaps
- Cleanup and disposal
Usually extra
- Removing contaminated existing insulation
- Ventilation or moisture remediation
- Drywall work for wall injection
Unit prices in Waterbury, CT
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.33 |
| Mid-range | $2.66 |
| High-end | $5.55 |
Insulation contractors in Waterbury, CT
Businesses listed on Google near Waterbury, CT. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Koala Insulation of Southern Connecticut
5.0(153 reviews)
23 Bridgeport Ave, Shelton, CT 06484
Good Life Energy Savers LLC
4.8(154 reviews)
50 Beaver Brook Rd #7, Danbury, CT 06810
USA Insulation of Connecticut
4.6(62 reviews)
21 Commerce Rd, Newtown, CT 06470
Harisi Energy LLC
4.8(51 reviews)
76 Westbury Park Rd #109e, Watertown, CT 06795
The Home Energy Pros LLC
5.0(42 reviews)
77 S Main St unit 4b, Newtown, CT 06470
Aj Insulation LLC
5.0(26 reviews)
226 Spring St, Torrington, CT 06790