Insulation Cost in Amherst, NH in 2026
Most Insulation projects in Amherst, NH cost between $1,400 and $6,000. The typical price is $2,900.
Amherst 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 Amherst, NH
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.21 |
| Mid-range | $2.42 |
| High-end | $5.03 |
Insulation contractors in Amherst, NH
Businesses listed on Google near Amherst, NH. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
USA Insulation of Southern NH
4.6(302 reviews)
560A Rockland Ave, Manchester, NH 03102
Quality Insulation
4.7(229 reviews)
110 Perimeter Rd, Nashua, NH 03063
Valley Insulation LLC
4.9(65 reviews)
141 Hobbs St, Conway, NH 03818
A Plus Energy Services
4.8(59 reviews)
113 Savage Rd, Milford, NH 03055
Green Era Insulation, LLC
4.7(53 reviews)
49 Union St, Manchester, NH 03103
The Weatherize Guyz ,LLC
4.9(43 reviews)
1298 Smyth Rd #27, Hooksett, NH 03106