253 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Harrison: Atticare, CR Score 88/100; 4.9★ from 820 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): A&J Insulation, posts 24/7 hours; ranked #2 of 253.
Most-reviewed: EcoShield Pest Solutions, 6,084 Google reviews at 4.8★, the most of 253 ranked; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
253 Harrison insulation contractors are ranked here by CR Score, from 8 published factors. 22 are open 24/7, 164 open Saturdays and 87 open Sundays, based on posted hours. The median Google rating is 4.9★ across 253 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Atticare | 88 | 4.9★ (820) | Wallington, 8 mi away | Sat · Sun · Evenings | Overall |
| 2 | A&J Insulation | 86 | 5.0★ (94) | Brooklyn, 16 mi away | 24/7 | Emergencies |
| 3 | Home Experts Inc | 86 | 4.9★ (459) | Fair Lawn, 13 mi away | Sat · Sun · Evenings | — |
| 4 | Insulation Builders | 85 | 5.0★ (42) | Brooklyn, 14 mi away | 24/7 | — |
| 5 | 365 Kool | 85 | 4.6★ (45) | Greenpoint, 9 mi away | 24/7 | — |
| 6 | PRO MASTER CONSTRUCTION NJ LLC | 85 | 5.0★ (20) | Saddle Brook, 10 mi away | 24/7 | — |
| 7 | Thermal Shield Insulation | 84 | 4.9★ (106) | East Hanover, 12 mi away | Sat · Sun · Evenings | — |
| 8 | Overstate Roofing Services INC | 84 | 5.0★ (15) | Newark, 1 mi away | Sat · Sun · Evenings | — |
| 9 | A. MAC Asbestos Removal Inc | 83 | 4.6★ (9) | Carlstadt, 9 mi away | 24/7 | — |
| 10 | Creative Home Services LLC | 83 | 4.2★ (10) | Haledon, 7 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 820 Google reviews, listed on Google as “Insulation contractor”.
Based in Brooklyn, 16 mi away
Ranked #2 because of its Google rating and availability: 5.0★ from 94 Google reviews, open 24/7.
Based in Fair Lawn, 13 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 459 Google reviews, listed on Google as “Insulation contractor”.
Based in Brooklyn, 14 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 42 Google reviews, open 24/7.
Based in Greenpoint, 9 mi away
Ranked #5 because of its Google rating and availability: 4.6★ from 45 Google reviews, open 24/7.
Based in Saddle Brook, 10 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 20 Google reviews, open 24/7.
Based in East Hanover, 12 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 106 Google reviews, listed on Google as “Insulation contractor”.
Based in Newark, 1 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based in Carlstadt, 9 mi away
Ranked #9 because of its Google rating and availability: 4.6★ from 9 Google reviews, open 24/7.
Based in Haledon, 7 mi away
Ranked #10 because of its Google rating and availability: 4.2★ from 10 Google reviews, open 24/7.
Based in Hell's Kitchen, 9 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 555 Google reviews, listed on Google as “Insulation contractor”.
Based in Edison, 19 mi away
Ranked #12 because of its Google rating and review volume: 4.8★ from 6,084 Google reviews, the most Google reviews on this list (6,084).
Based in Woodbridge, 15 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 1,005 Google reviews, listed on Google as “Insulation contractor”.
Based in Bloomfield, 3 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Insulation contractor”.
Based in Brooklyn, 15 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “Insulation contractor”.
Based in Linden, 10 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Insulation contractor”.
Based in Newark, 3 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based in Edison, 20 mi away
Ranked #18 because of its Google rating and availability: 4.6★ from 40 Google reviews, open 24/7.
Based in Hell's Kitchen, 9 mi away
Ranked #19 because of its Google rating and trade focus: 4.6★ from 58 Google reviews, listed on Google as “Insulation contractor”.
Based in Larchmont, 21 mi away
Ranked #20 because of its Google rating and availability: 4.9★ from 976 Google reviews, open 24/7.
Based in Brooklyn, 14 mi away
Ranked #21 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based in Elmwood Park, 12 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 111 Google reviews, open 24/7.
Based in Newark, 2 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based in Woodhaven, 16 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based in Carlstadt, 8 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Insulation contractor”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 253 ranked insulation contractors here; the rest are on their profiles.
20 more insulation contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
National price ranges in USD, not adjusted for Harrison. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Attic insulation | $1,700 | $2,100 | $2,500 | Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range | October 2026 |
We scored 253 Harrison insulation contractors on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Harrison data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |