Insulation Cost in South Windsor, CT in 2026
Most Insulation projects in South Windsor, CT cost between $1,600 and $6,500. The typical price is $3,200.
Labour and materials in South Windsor run about 14% 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 South Windsor, CT
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.31 |
| Mid-range | $2.63 |
| High-end | $5.47 |
Insulation contractors in South Windsor, CT
Businesses listed on Google near South Windsor, CT. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Koala Insulation of Eastern Connecticut
4.9(103 reviews)
90 Progress Dr, Manchester, CT 06042
Connecticut Spray Foam Insulation
5.0(36 reviews)
200 Bloomfield Ave #3868, West Hartford, CT 06117
JT Energy LLC
4.9(37 reviews)
200 Burnham St, South Windsor, CT 06074
Collins & Co
4.4(30 reviews)
23 Thompson Rd, East Windsor, CT 06088
Best
4.7(14 reviews)
77 Pierson Ln Unit e, Windsor, CT 06095
PACHECO INSULATION LLC
5.0(1 reviews)
284 Tolland St, East Hartford, CT 06108