Insulation Cost in Sunapee, NH in 2026
Most Insulation projects in Sunapee, NH cost between $1,400 and $6,000. The typical price is $2,900.
Sunapee 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 Sunapee, NH
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.19 |
| Mid-range | $2.38 |
| High-end | $4.96 |
Insulation contractors in Sunapee, NH
Businesses listed on Google near Sunapee, NH. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Farnum Insulators
4.9(112 reviews)
29 Brickyard Ln East, East Dummerston, VT 05346
Valley Insulation LLC
4.9(65 reviews)
141 Hobbs St, Conway, NH 03818
Spray Foam Insulators By Luke Whitcomb
5.0(37 reviews)
90 Suncook Vly Hwy, Chichester, NH 03258
Newell and Crathern
4.6(48 reviews)
34 Staniels Rd, Loudon, NH 03307
Precision Applications
4.8(28 reviews)
182 Pinnacle Hill Rd, New Hampton, NH 03256
Victory Insulation
5.0(23 reviews)
27 Bay St, Laconia, NH 03246