Insulation Cost in Westfield, NJ in 2026
Most Insulation projects in Westfield, NJ cost between $1,600 and $6,500. The typical price is $3,200.
Labour and materials in Westfield run about 15% 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 Westfield, NJ
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.32 |
| Mid-range | $2.64 |
| High-end | $5.50 |
Insulation contractors in Westfield, NJ
Businesses listed on Google near Westfield, NJ. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Atticrawl LLC
4.9(1,031 reviews)
34 Green St B, Woodbridge, NJ 07095
Thermal Shield Insulation
4.9(167 reviews)
45 US-46 Ste 604, Pine Brook, NJ 07058
THI Home Construction
5.0(73 reviews)
1417 Anderson Pl, Piscataway, NJ 08854
ATTIC RAMZ LLC
5.0(59 reviews)
1409 Thelma Terrace, Linden, NJ 07036
PRO INSULATION COMPANY
4.9(55 reviews)
1010 Raritan Ave, Highland Park, NJ 08904
Apex Insulation Supply
5.0(33 reviews)
10 Market St, Kenilworth, NJ 07033