New Jersey Insulation Contractors
Looking for insulation contractors in New Jersey? Below are 10 top-rated insulation contractors serving New Jersey in 2026 — every one rated 4.0+ stars with 10 or more verified Google reviews. Compare ratings and review counts, then contact them directly by phone or website. No middleman, no lead fees.
Listings are sourced from public Google Business Profiles and sorted by rating. Are you a New Jersey insulation contractor? Add your business free below.
Master Attic LLC
2486 Ridgeway Blvd, Manchester Township, NJ 08759, USA
745 reviews
Reviews via Google
Koala Insulation of Central Jersey
179 South St, Freehold, NJ 07728, USA
191 reviews
Reviews via Google
Koala Insulation of the Delaware Valley
116 Burrs Rd Suite 116A, Westampton Township, NJ 08060, USA
166 reviews
Reviews via Google
A Plus Spray Foam & Coatings, LLC
2547 Fire Rd, Egg Harbor Township, NJ 08234, USA
114 reviews
Reviews via Google
Koala Insulation of Mercer & Middlesex Counties
314 Cortland St, Trenton, NJ 08638, USA
105 reviews
Reviews via Google
THI Home Insulation and Construction
319 E 6th St, Plainfield, NJ 07060, USA
68 reviews
Reviews via Google
Right Insulation
1405 Chews Landing Rd # 1, Laurel Springs, NJ 08021, USA
55 reviews
Reviews via Google
Atticrawl LLC
34 Green St B, Woodbridge, NJ 07095, USA
1,013 reviews
Reviews via Google
Home Experts Inc
17-16 River Rd, Fair Lawn, NJ 07410, USA
472 reviews
Reviews via Google
Ciel Power LLC
78 John Miller Way Suite 1010, Kearny, NJ 07032, USA
217 reviews
Reviews via Google
Data sourced from Google Places. Updated April 12, 2026.
Hiring an Insulation Contractor in New Jersey
Buildermuse currently lists 10 insulation contractors in New Jersey, averaging 5.0 stars across 3,146 verified Google reviews. That is an unusually strong field — when nearly every firm clears 4.8 stars, response time and availability become the real differentiators, so call two or three rather than only the top result. Most of the crews above operate out of Egg Harbor Township, Fair Lawn, and Freehold.
New Jersey requires registration (not licensing) for home improvement contractors. No exam is required. Commercial construction does not require state-level licensing. High insurance minimums compared to most states. Confirm credentials with the New Jersey Division of Consumer Affairs at (973) 504-6370 before work begins. Licenses renew on a two-year cycle (registration date). Expect a $200 state application fee. At a minimum, ask for proof of $500,000 in general liability coverage and active workers' comp.
Labor is the biggest line item on most bids, and the New Jersey market sets the floor: construction workers here average $42.12 an hour — about $87,620 a year — across 167,649 workers statewide, per Bureau of Labor Statistics data. That puts New Jersey among the pricier construction labor markets in the country, so expect quotes to reflect it.
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