241 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Park Slope: A&J Insulation, CR Score 61/100; 5.0★ from 94 Google reviews; open 24/7.
Best for emergencies (open 24/7): Insulation Builders, posts 24/7 hours; ranked #3 of 241.
Most-reviewed: EcoShield Pest Solutions, 6,084 Google reviews at 4.8★, the most of 241 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
241 Park Slope insulation contractors are ranked here by CR Score, from ten published factors. 23 are open 24/7, 158 open Saturdays and 86 open Sundays, based on posted hours. The median Google rating is 4.9★ across 241 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | A&J Insulation | 61 | 5.0★ (94) | Brooklyn, 6 mi away | 24/7 | Overall |
| 2 | Atticare | 60 | 4.9★ (820) | Wallington, 14 mi away | Sat · Sun · Evenings | — |
| 3 | Insulation Builders | 60 | 5.0★ (42) | Brooklyn, 5 mi away | 24/7 | Emergencies |
| 4 | JP McHale Pest Management | 60 | 4.9★ (555) | Hell's Kitchen, 6 mi away | Sat | — |
| 5 | Go Go Green Insulation | 59 | 5.0★ (80) | Brooklyn, 5 mi away | Sat · Sun | — |
| 6 | EcoShield Pest Solutions | 59 | 4.8★ (6,084) | Edison, 21 mi away | Sat | Most reviews |
| 7 | 365 Kool | 59 | 4.6★ (45) | Greenpoint, 5 mi away | 24/7 | — |
| 8 | Atticrawl LLC | 58 | 4.9★ (1,005) | Woodbridge, 17 mi away | Sun · Evenings | — |
| 9 | Home Experts Inc | 58 | 4.9★ (459) | Fair Lawn, 20 mi away | Sat · Sun · Evenings | — |
| 10 | LARRY HEATING & AC SERVICES | 57 | 4.6★ (58) | Hell's Kitchen, 5 mi away | Sat · Sun | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 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: 5.0★ from 94 Google reviews, listed on Google as “Insulation contractor”.
Based in Wallington, 14 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 820 Google reviews, listed on Google as “Insulation contractor”.
Based in Brooklyn, 5 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “Insulation contractor”.
Based in Hell's Kitchen, 6 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 555 Google reviews, listed on Google as “Insulation contractor”.
Based in Brooklyn, 5 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “Insulation contractor”.
Based in Edison, 21 mi away
Ranked #6 because of its Google rating and review volume: 4.8★ from 6,084 Google reviews, the most in Park Slope.
Based in Greenpoint, 5 mi away
Ranked #7 because of its Google rating and trade focus: 4.6★ from 45 Google reviews, listed on Google as “Insulation contractor”.
Based in Woodbridge, 17 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 1,005 Google reviews, listed on Google as “Insulation contractor”.
Based in Fair Lawn, 20 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 459 Google reviews, listed on Google as “Insulation contractor”.
Based in Hell's Kitchen, 5 mi away
Ranked #10 because of its Google rating and trade focus: 4.6★ from 58 Google reviews, listed on Google as “Insulation contractor”.
Based in Brooklyn, 4 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 60 Google reviews, listed on Google as “Insulation contractor”.
Based in Woodhaven, 7 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based in Brooklyn, 4 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 20 Google reviews, listed on Google as “Insulation contractor”.
Based in Brooklyn, 3 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based in Jersey City, 6 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Insulation contractor”.
Based in Brooklyn, 4 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based in Edgewater, 2 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based in Brooklyn, 4 mi away
Ranked #18 because of its Google rating and trade focus: 4.7★ from 40 Google reviews, listed on Google as “Insulation contractor”.
Based in Bushwick, 5 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Insulation contractor”.
Based in Kearny, 8 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 211 Google reviews, listed on Google as “Insulation contractor”.
Based in Brooklyn, 5 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based in Brooklyn, 10 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 69 Google reviews, listed on Google as “Insulation contractor”.
Based in Brooklyn, 3 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “Insulation contractor”.
Based in Bloomfield, 13 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Insulation contractor”.
Based in Brooklyn, 3 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 60 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 241 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 Park Slope. 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 241 Park Slope insulation contractors on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Park Slope data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |