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ContractorsRanked

Best Insulation Contractors in Flatbush, NY (2026)

244 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Flatbush: A&J Insulation, CR Score 89/100; 5.0★ from 94 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Insulation Builders, posts 24/7 hours; ranked #2 of 244.

  3. 13

    Most-reviewed: EcoShield Pest Solutions, 6,084 Google reviews at 4.8★, the most of 244 ranked; ranked #13.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

244 Flatbush insulation contractors are ranked here by CR Score, from 8 published factors. 23 are open 24/7, 160 open Saturdays and 85 open Sundays, based on posted hours. The median Google rating is 4.9★ across 244 rated businesses.

Most of this list also appears on the Insulation contractors in Queens ranking. See Insulation contractors in Queens

Top 10 insulation contractors in Flatbush at a glance

Top 10 insulation contractors in Flatbush at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1A&J Insulation895.0★ (94)Brooklyn, 4 mi away24/7Overall
2Insulation Builders885.0★ (42)Brooklyn, 3 mi away24/7Emergencies
3Atticare864.9★ (820)Wallington, 16 mi awaySat · Sun · Evenings—
4Go Go Green Insulation865.0★ (80)Brooklyn, 4 mi awaySat · Sun—
5365 Kool864.6★ (45)Greenpoint, 7 mi away24/7—
6Spray Foam Midwood855.0★ (4)Brooklyn, 2 mi away24/7—
7JP McHale Pest Management844.9★ (555)Hell's Kitchen, 7 mi awaySat—
8Home Experts Inc834.9★ (459)Fair Lawn, 22 mi awaySat · Sun · Evenings—
9Market Plus Spray Foam Insulation LLC835.0★ (28)Woodhaven, 7 mi awaySat · Sun · Evenings—
10Foam Masters USA834.8★ (20)Brooklyn, 3 mi awaySat · Sun · Evenings—

The 244 best insulation contractors in Flatbush, ranked

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.

  1. Ranked #1 in Flatbush

    #1 A&J Insulation

    Based in Brooklyn, 4 mi away

    89/100CR Score

    Ranked #1 because of its Google rating and availability: 5.0★ from 94 Google reviews, open 24/7.

    • 5.0★ from 94 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5923 Strickland Ave, Brooklyn, NY 11234
    View profile for A&J Insulation(718) 435-3364

  3. #3 Atticare

    Based in Wallington, 16 mi away

    86/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.9★ from 820 Google reviews, listed on Google as “Insulation contractor”.

    • 4.9★ from 820 Google reviews
    Hours
    Mon–Fri 8 AM–7 PM · Sat–Sun 9 AM–6 PM
    Address
    77 Paterson Ave, Wallington, NJ 07057
    View profile for Atticare(201) 499-7441

  5. #5 365 Kool

    Based in Greenpoint, 7 mi away

    86/100CR Score

    Ranked #5 because of its Google rating and availability: 4.6★ from 45 Google reviews, open 24/7.

    • 4.6★ from 45 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    244 5th Ave, New York, NY 10001
    View profile for 365 Kool(347) 821-0344

  7. #7 JP McHale Pest Management

    Based in Hell's Kitchen, 7 mi away

    84/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 555 Google reviews, listed on Google as “Insulation contractor”.

    • 4.9★ from 555 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 8 AM–2 PM · Sun closed
    Address
    286 Madison Ave #1300, New York, NY 10017
    View profile for JP McHale Pest Management(212) 624-4689

  8. #8 Home Experts Inc

    Based in Fair Lawn, 22 mi away

    83/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.9★ from 459 Google reviews, listed on Google as “Insulation contractor”.

    • 4.9★ from 459 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
    Address
    17-16 River Rd, Fair Lawn, NJ 07410
    View profile for Home Experts Inc(888) 832-4211

  10. #10 Foam Masters USA

    Based in Brooklyn, 3 mi away

    83/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.8★ from 20 Google reviews, listed on Google as “Insulation contractor”.

    • 4.8★ from 20 Google reviews
    Hours
    Mon–Sun 8 AM–7 PM
    Address
    1022 Avenue P STE 1, Brooklyn, NY 11230
    View profile for Foam Masters USA(718) 865-9647

  12. #12 LARRY HEATING & AC SERVICES

    Based in Hell's Kitchen, 7 mi away

    82/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.6★ from 58 Google reviews, listed on Google as “Insulation contractor”.

    • 4.6★ from 58 Google reviews
    Hours
    Mon 9 AM–5 PM · Tue–Thu 8 AM–6 PM · Fri–Sat 8 AM–5 PM · Sun 9 AM–5 PM
    Address
    112 W 27th St 4th Floor, New York, NY 10001
    View profile for LARRY HEATING & AC SERVICES(516) 854-6005

  13. #13 EcoShield Pest Solutions

    Based in Edison, 22 mi away

    82/100CR Score

    Ranked #13 because of its Google rating and review volume: 4.8★ from 6,084 Google reviews, the most Google reviews on this list (6,084).

    • 4.8★ from 6,084 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 9 AM–1 PM · Sun closed
    Address
    135 Raritan Center Pkwy, Edison, NJ 08837
    View profile for EcoShield Pest Solutions(732) 743-5982

  14. #14 Atticrawl LLC

    Based in Woodbridge, 18 mi away

    82/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 1,005 Google reviews, listed on Google as “Insulation contractor”.

    • 4.9★ from 1,005 Google reviews
    Hours
    Mon–Thu 7 AM–7 PM · Fri 7 AM–3 PM · Sat closed · Sun 9 AM–5 PM
    Address
    34 Green St B, Woodbridge, NJ 07095
    View profile for Atticrawl LLC(800) 682-1602

  15. #15 Spray Foam Experts

    Based in Brooklyn, 4 mi away

    82/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Insulation contractor”.

    • 5.0★ from 10 Google reviews
    Hours
    Mon–Sun 8 AM–7 PM
    Address
    2133 E 17th St, Brooklyn, NY 11229
    View profile for Spray Foam Experts(917) 540-9355

  22. #22 TOP INSULATION NY

    Based in Brooklyn, 2 mi away

    81/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Insulation contractor”.

    • 5.0★ from 28 Google reviews
    Hours
    Mon–Fri 8:30 AM–6 PM · Sat closed · Sun 8:30 AM–6 PM
    Address
    4205 Avenue H, Brooklyn, NY 11210
    View profile for TOP INSULATION NY(718) 635-3621

  25. #25 Always On Green Home

    Based in Brooklyn, 2 mi away

    80/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.7★ from 40 Google reviews, listed on Google as “Insulation contractor”.

    • 4.7★ from 40 Google reviews
    Hours
    Mon–Sat 8 AM–6 PM · Sun closed
    Address
    5002 Kings Hwy Suite 2, Brooklyn, NY 11234
    View profile for Always On Green Home(718) 962-0011

How much do insulation contractors cost in Flatbush?

National price ranges in USD, not adjusted for Flatbush. Each row names its basis and the month we checked it.

How much do insulation contractors cost in Flatbush?
JobLowTypicalHighBasisChecked
Attic insulation$1,700$2,100$2,500Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national rangeOctober 2026

How we ranked Flatbush insulation contractors

We scored 244 Flatbush 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Flatbush data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Insulation contractors in Flatbush: frequently asked questions

Who is the best insulation contractor in Flatbush?

By CR Score, the highest-ranked insulation contractor in Flatbush, NY is A&J Insulation with a CR Score of 89/100. It has 5.0★ from 94 Google reviews. It is open 24/7. Insulation Builders (#2) and Atticare (#3) follow. We ranked 244 insulation contractors on 8 factors, last updated October 22, 2026.

Which insulation contractors in Flatbush are open 24/7?

23 ranked insulation contractors in Flatbush post 24/7 hours. The highest-ranked are A&J Insulation (#1), Insulation Builders (#2) and 365 Kool (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which insulation contractors in Flatbush work on weekends?

160 of 244 ranked insulation contractors post Saturday hours and 85 post Sunday hours. The highest-ranked open Saturdays are A&J Insulation (#1), Insulation Builders (#2) and Atticare (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does attic insulation cost in Flatbush?

Attic insulation typically costs $1,700 to $2,500, with $2,100 typical (Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range). This is a national range, not adjusted for Flatbush. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Flatbush insulation contractors have?

The median Google rating among 244 rated insulation contractors in Flatbush is 4.9★, with a median of 9 reviews. EcoShield Pest Solutions has the most, 6,084 reviews, and ranks #13. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank insulation contractors?

Each insulation contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do insulation contractors outside Flatbush count in this ranking?

Yes, if they are within 25 mi of the Flatbush city center, our service radius for insulation contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Can insulation contractors pay to rank higher on ContractorsRanked?

No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.

Update log for Flatbush

  1. October 2026: CR Scores recalculated for 244 insulation contractors serving Flatbush.
  2. October 2026: 1 duplicate listing merged.

More insulation contractors and Flatbush pages

Other trades in Flatbush