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Best Insulation Contractors in Plainfield, CT (2026)

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

The short answer

  1. 1

    Best overall in Plainfield: L&B Remodeling Co. Inc., CR Score 86/100; 5.0★ from 56 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Klaus Larsen Roofing, posts 24/7 hours; ranked #2 of 34.

  3. 5

    Most-reviewed: Anchor Home Inspection, 611 Google reviews at 5.0★, the most of 34 ranked; ranked #5.

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

34 Plainfield insulation contractors are ranked here by CR Score, from 8 published factors. 4 are open 24/7, 11 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.8★ across 34 rated businesses.

Top 10 insulation contractors in Plainfield at a glance

Top 10 insulation contractors in Plainfield at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1L&B Remodeling Co. Inc.865.0★ (56)Seekonk, 23 mi away24/7Overall
2Klaus Larsen Roofing854.8★ (521)Hebron, 14 mi away24/7Emergencies
3RI Choice Spray Foam Inc.844.7★ (31)Coventry, 9 mi awaySat · Sun · Evenings—
4WeatherTek Insulation LLC834.4★ (32)Coventry, 19 mi away24/7—
5Anchor Home Inspection825.0★ (611)East Haddam, 20 mi awayEveningsMost reviews
6Precision Spray Foam Insulation Warwick804.7★ (36)Seekonk, 23 mi awaySat · Sun · Evenings—
7Best Home Performance804.6★ (43)East Haddam, 23 mi awaySat · Sun—
8NetZero Insulation Technologies795.0★ (260)Seekonk, 23 mi away——
9RoofMasters775.0★ (3)Norwich, 6 mi away24/7—
10WeatherTek Insulation LLC773.7★ (3)Coventry, 12 mi away——

The 34 best insulation contractors in Plainfield, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

  2. #2 Klaus Larsen Roofing

    Based in Hebron, 14 mi away

    85/100CR Score

    Ranked #2 because of its Google rating and availability: 4.8★ from 521 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.8★ from 521 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    29 Northridge Dr, North Windham, CT 06256
    View profile for Klaus Larsen Roofing(860) 266-4004

  3. #3 RI Choice Spray Foam Inc.

    Based in Coventry, 9 mi away

    84/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.7★ from 31 Google reviews
    Hours
    Mon–Sat 7 AM–7 PM · Sun 9 AM–5 PM
    Address
    6222 Flat River Rd, Coventry, RI 02827
    View profile for RI Choice Spray Foam Inc.(401) 249-4428

  5. #5 Anchor Home Inspection

    Based in East Haddam, 20 mi away

    82/100CR Score

    Ranked #5 because of its Google rating and review volume: 5.0★ from 611 Google reviews, the most Google reviews on this list (611).

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 611 Google reviews
    Hours
    Mon–Fri 8 AM–8 PM · Sat–Sun closed
    Address
    16 Deer Trail, Montville, CT 06370
    View profile for Anchor Home Inspection(860) 961-3213

  7. #7 Best Home Performance

    Based in East Haddam, 23 mi away

    80/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.6★ from 43 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.6★ from 43 Google reviews
    Hours
    Mon–Sun 8 AM–4 PM
    Address
    247 Old Hartford Rd, Colchester, CT 06415
    View profile for Best Home Performance(860) 830-7260

  9. #9 RoofMasters

    Based in Norwich, 6 mi away

    77/100CR Score

    Ranked #9 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 3 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7 School St, Griswold, CT 06351
    View profile for RoofMasters(860) 980-4162

  10. #10 WeatherTek Insulation LLC

    Based in Coventry, 12 mi away

    77/100CR Score

    Ranked #10 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 3.7★ from 3 Google reviews
    Address
    4305 Flat River Rd, Coventry, RI 02827
    View profile for WeatherTek Insulation LLC(401) 954-5955

  11. #11 Atlas Insulation Co

    Based in Johnston, 20 mi away

    77/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.0★ from 41 Google reviews, listed on Google as “Insulation contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 4.0★ from 41 Google reviews
    Address
    116 Danielson Pike, Scituate, RI 02857
    View profile for Atlas Insulation Co(401) 647-2500

  12. #12 Superior Insulation

    Based in Smithfield, 24 mi away

    76/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 8 Google reviews
    Address
    14 Enterprise Ln b, Smithfield, RI 02917
    View profile for Superior Insulation(401) 515-4524

  13. #13 Rhode Island Insulation

    Based in Exeter, 17 mi away

    76/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 4 Google reviews
    Address
    15 Abbi Ln, Hope, RI 02831
    View profile for Rhode Island Insulation(401) 741-5067

  14. #14 Energy Geeks

    Based in Blackstone, 25 mi away

    75/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 92 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 92 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    View profile for Energy Geeks(401) 766-1540

  15. #15 Tuma Insulation

    Based in Warwick, 22 mi away

    75/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 5 Google reviews
    Address
    Warwick, RI 02886
    View profile for Tuma Insulation

  16. #16 C & R Insulation Inc

    Based in Hebron, 13 mi away

    74/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.6★ from 18 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.6★ from 18 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    784 CT-32, North Franklin, CT 06254
    View profile for C & R Insulation Inc(860) 642-4226

  19. #19 Anchor Insulation

    Based in Norwich, 12 mi away

    72/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.3★ from 9 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.3★ from 9 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    43 Wisconsin Ave, Norwich, CT 06360
    View profile for Anchor Insulation(860) 739-3111

  22. #22 Flag Services

    Based in Bridgeport, 7 mi away

    72/100CR Score

    Ranked #22 because of its Google rating and availability: 5.0★ from 12 Google reviews, open Saturdays until 1 PM.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 12 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat 7 AM–1 PM · Sun closed
    View profile for Flag Services(203) 690-9399

  23. #23 Onassis & Associates

    Based in Seekonk, 23 mi away

    72/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 3 Google reviews
    View profile for Onassis & Associates(401) 723-5545

  24. #24 Greenwich Insulation

    Based in Coventry, 17 mi away

    71/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.4★ from 7 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    1012 Tiogue Ave, Coventry, RI 02816
    View profile for Greenwich Insulation(401) 826-2520

  25. #25 A/Z Corporation

    Based in Groton, 18 mi away

    70/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.5★ from 11 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.5★ from 11 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    46 Norwich-Westerly Rd, North Stonington, CT 06359
    View profile for A/Z Corporation(800) 400-2420

All 34 insulation contractors

#1 to #25 are shown in full above. Here are #26 to #34, in CR Score order; each links to its profile.

insulation contractors in Plainfield, ranks 26 to 34
RankBusinessCR ScoreGoogle ratingDistance
26Rhode Island Insulation704.2★ (15)24 mi
27Ace Handyman Services Rhode Island704.8★ (247)24 mi
28Dryvit Systems, Inc.684.3★ (7)21 mi
29General Mechanical Insulation LLC675.0★ (3)23 mi
30Ace Handyman Services Hartford and New London Counties674.7★ (82)23 mi
31DC & Sons Home Improvements665.0★ (5)25 mi
32Greenville Insulation664.3★ (6)25 mi
33Dynamic Building & Energy Solutions654.6★ (16)20 mi
34NE Plastering655.0★ (4)25 mi

Also serving Plainfield

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.

Unranked insulation contractors serving Plainfield
BusinessGoogle ratingDistance
Alex's Energy Insulation Construction LLC5.0★ (2)23 mi
AmeriGutter Seamless Gutters LLC5.0★ (3)In Plainfield
ASW Construction22 mi
Best Noise Control18 mi
Capalbo's Waste Service22 mi
Duct Insulation17 mi
Green Energy Insulation & Chimney Caps and Covers ltd16 mi
Greenwich Insulation3.0★ (1)20 mi
JRM Electric LLC4.9★ (48)In Plainfield
Lui G Insulation23 mi
Mega Innovations LLC7 mi
ProTech Spray Foam5.0★ (1)23 mi
R & R Insulators LLC7 mi
R R Laitres Drywall Inc4.3★ (4)In Plainfield
R-Value Insulation LLC13 mi
Reliable Remediation5.0★ (144)In Plainfield
Rhode Island Spray Foam Insulation23 mi
Spray Foam Insulation Boston Mass & Rhode Island5.0★ (1)25 mi
The Roofing Store LLC4.8★ (53)In Plainfield
USA Insulation of Eastern Connecticut9 mi

How much do insulation contractors cost in Plainfield?

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

How much do insulation contractors cost in Plainfield?
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 Plainfield insulation contractors

We scored 34 Plainfield 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 Plainfield 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 Plainfield: frequently asked questions

Who is the best insulation contractor in Plainfield?

By CR Score, the highest-ranked insulation contractor in Plainfield, CT is L&B Remodeling Co. Inc. with a CR Score of 86/100. It has 5.0★ from 56 Google reviews. It is open 24/7. Klaus Larsen Roofing (#2) and RI Choice Spray Foam Inc. (#3) follow. We ranked 34 insulation contractors on 8 factors, last updated October 22, 2026.

How many insulation contractors are there in Plainfield?

ContractorsRanked ranks 34 insulation contractors serving Plainfield, CT. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which insulation contractors in Plainfield are open 24/7?

4 ranked insulation contractors in Plainfield post 24/7 hours. The highest-ranked are L&B Remodeling Co. Inc. (#1), Klaus Larsen Roofing (#2) and WeatherTek Insulation LLC (#4). 24/7 Insulation of New England, LLC (#21) also lists emergency service. Hours come from each business's Google listing as of October 2026, so call to confirm.

Which insulation contractors in Plainfield work on weekends?

11 of 34 ranked insulation contractors post Saturday hours and 7 post Sunday hours. The highest-ranked open Saturdays are L&B Remodeling Co. Inc. (#1), Klaus Larsen Roofing (#2) and RI Choice Spray Foam Inc. (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does attic insulation cost in Plainfield?

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 Plainfield. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Plainfield insulation contractors have?

The median Google rating among 34 rated insulation contractors in Plainfield is 4.8★, with a median of 12 reviews. Anchor Home Inspection has the most, 611 reviews, and ranks #5. 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 Plainfield count in this ranking?

Yes, if they are within 25 mi of the Plainfield 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.

Update log for Plainfield

  1. October 2026: CR Scores recalculated for 34 insulation contractors serving Plainfield.

More insulation contractors and Plainfield pages

Other trades in Plainfield