Insulation Cost in Pennington, NJ in 2026
Most Insulation projects in Pennington, NJ cost between $1,600 and $6,500. The typical price is $3,100.
Labour and materials in Pennington run about 13% 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 Pennington, NJ
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.30 |
| Mid-range | $2.60 |
| High-end | $5.43 |
Insulation contractors in Pennington, NJ
Businesses listed on Google near Pennington, NJ. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Koala Insulation of the Delaware Valley
5.0(167 reviews)
116 Burrs Rd Ste 116A, Westampton Township, NJ 08060
Koala Insulation of Mercer & Middlesex Counties
5.0(127 reviews)
314 Cortland St, Trenton, NJ 08638
Gunner Insulation LLC
4.9(126 reviews)
8595 Old Bristol Pike, Tullytown, PA 19007
PRO INSULATION COMPANY
4.9(55 reviews)
1010 Raritan Ave, Highland Park, NJ 08904
Brunswick Insulation Pros
4.9(38 reviews)
12 Civic Center Dr Apt 8, East Brunswick, NJ 08816
IDI: Insulation Distributors Inc.
5.0(18 reviews)
1012 Whitehead Rd Ext #2, Ewing Township, NJ 08638