Top-Rated Insulation Installers in Jersey City, NJ

4 local companies ranked by 163 Google reviews. Free to compare, no sign-up.

Ratings and review counts from Google Maps, collected October 2026 · Page updated October 24, 2026

4Companies
163Google reviews
4.9★Average rating
Oct 2026Data collected
Ranked by Google reviewsNot paid forFree to compare

Short answer: The top-rated insulation installers in Jersey City are Attic & Mold Crew (5.0★, 43 reviews), J.J. Builders LLC (4.9★, 66 reviews), Falcon Builders | Contractors Jersey City (4.9★, 36 reviews).

Insulation installers in Jersey City, ranked

Sort by
  1. 5.0 (43 Google reviews)
    317 Old Bergen Rd, Jersey City, NJ 07305
  2. J.J. Builders LLCMost reviews
    4.9 (66 Google reviews)
    344 Grove St #157, Jersey City, NJ 07302
  3. 4.9 (36 Google reviews)
    315 3rd St, Jersey City, NJ 07302
  4. 5.0 (18 Google reviews)
    48 Court House Pl, Jersey City, NJ 07306

Together these 4 companies average 4.9★ across 163 reviews. J.J. Builders LLC has the most reviews (66).

Ranked by Google rating weighted by review count, collected October 2026. Rankings are not paid for. How we rank and how we make money.

Listed here? Get your top-rated badge for your website or print the Jersey City rebate sheet for your customers.

What a insulation costs in Jersey City

Typical installed priceVaries by area

Price depends on which areas you insulate (attic, walls, basement) and how much air sealing is needed. Ask each company for a price per area and the R-value you end up with, so quotes are easy to compare.

Insulation rebates open in Jersey Cityup to $14,000

That could cut your cost by up to $14,000 if you qualify. Most rebates have rules (income, your current heating, a registered contractor, approval before work starts).

Rebates: our verified program data, checked monthly. Always confirm the exact amount for your home.

Talk to a home energy auditor first. Some utility programs want an audit before any work starts. See the home energy auditors we list.

Get free quotes from these insulation installers

Tick up to 3 companies and tell them what you want done. We send your request straight to them. Free, no obligation.

Which companies should quote?
What do you want done?

We only share your details with the companies you pick, and never sell them. Privacy policy.

Before you hire an insulation installer

  1. Ask whether they will air-seal before insulating, and what they will seal (attic hatch, pot lights, pipes, top plates).
  2. Ask for the R-value before and after for each area, and the material and depth they will install.
  3. Ask whether your rebate needs an energy assessment before and after the work, and who books it.
  4. Ask how they handle ventilation and any old insulation that could contain vermiculite (asbestos risk).

Questions about insulation installers in Jersey City

Who is the best insulation installer in Jersey City?

Based on Google reviews, the top-rated insulation installers in Jersey City are Attic & Mold Crew (5.0★, 43 reviews), J.J. Builders LLC (4.9★, 66 reviews), Falcon Builders | Contractors Jersey City (4.9★, 36 reviews). We rank by a review-weighted score, so companies with many strong reviews rank above those with only a few.

How are the insulation installers in Jersey City ranked?

We list 4 insulation companies in Jersey City, ranked by Google rating weighted by review count. Together they have 163 Google reviews and average 4.9 stars, collected October 2026. J.J. Builders LLC has the most reviews (66). No company pays to be listed or ranked.

How much does insulation cost in Jersey City?

Insulation prices depend on which areas you insulate (attic, walls, basement) and how much air sealing is needed. Ask each company for a price per area and the R-value you end up with, so quotes are easy to compare.

Are there rebates for insulation in Jersey City?

Yes. Our verified program data shows insulation rebates up to $14,000 open in Jersey City. Most rebates have rules, such as income, your current heating, a registered contractor, or approval before work starts, so check the rebate page before you sign.

What should I ask an insulation installer before I hire?

Ask whether they will air-seal before insulating, and what they will seal (attic hatch, pot lights, pipes, top plates). Ask for the R-value before and after for each area, and the material and depth they will install. Ask whether your rebate needs an energy assessment before and after the work, and who books it.

Before you call anyone, check what insulation rebates you can get in Jersey City. Many programs require approval or a registered contractor before work starts.

Planning more upgrades? See the top-rated heat pump installers, solar installers, home battery installers in Jersey City.

How to read these results

  1. Open the profile.How a installer describes its own work tells you a lot. Look for jobs like yours.
  2. Read the Google reviews.Stars and counts come from Google Maps. Click through and read what past customers wrote, good and bad.
  3. Check for program badges.A green registered-contractor badge means the company is on the program's own list, which some rebates require.
  4. Compare three.Do not stop at the first good installer. Three quotes show you the real range in price, equipment and plan.

Not ready to talk to a contractor yet?

Short reads and quick quizzes. Learn the rules first, then call.

See every rebate in Jersey City

Compare top-rated local installers, ranked by Google reviews, and see the rebates you can stack. Free for homeowners.

See Jersey City rebates →
From Sam

Get the monthly rebate update

Once a month: new and changing rebate programs across every province and state we cover, plus what's new in heat pumps, solar and batteries. Short, sourced, no marketing.

No spam, ever. Unsubscribe anytime.

See my rebates and installers