Insulation Cost in Windham, ME in 2026
Most Insulation projects in Windham, ME cost between $1,400 and $6,000. The typical price is $2,800.
Windham prices track the national average closely. Costs here are close enough to the national picture that the adjustment barely moves the number.
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 Windham, ME
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.18 |
| Mid-range | $2.37 |
| High-end | $4.93 |
Insulation contractors in Windham, ME
Businesses listed on Google near Windham, ME. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Evergreen Home Performance
4.7(116 reviews)
190 Riverside St #2A, Portland, ME 04103
Horizon Homes
4.9(69 reviews)
865 Spring St, Westbrook, ME 04092
Northeast Spray Insulation
4.4(45 reviews)
511 Riverside Industrial Pkwy, Portland, ME 04103
Octagon Construction & Energy
4.6(35 reviews)
12 Roosevelt Trail Unit 4, Windham, ME 04062
Southern Maine Spray Insulation
4.7(27 reviews)
21 Tee Dr, Portland, ME 04103
Casco Bay Insulation Inc.
5.0(18 reviews)
84D Warren Ave, Westbrook, ME 04092