21 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Preston City: Anchor Home Inspection, CR Score 61/100; 5.0★ from 611 Google reviews; open evenings.
Best for emergencies (open 24/7): L&B Remodeling Co. Inc., posts 24/7 hours; ranked #2 of 21.
Most-reviewed: Klaus Larsen Roofing, 521 Google reviews at 4.8★, the most of 21 ranked after Anchor Home Inspection; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
21 Preston City insulation contractors are ranked here by CR Score, from ten published factors. 4 are open 24/7, 8 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.7★ across 21 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Anchor Home Inspection | 61 | 5.0★ (611) | East Haddam, 12 mi away | Evenings | Overall |
| 2 | L&B Remodeling Co. Inc. | 58 | 5.0★ (56) | Seekonk, 25 mi away | 24/7 | Emergencies |
| 3 | Klaus Larsen Roofing | 57 | 4.8★ (521) | Hebron, 18 mi away | 24/7 | Most reviews |
| 4 | RI Choice Spray Foam Inc. | 56 | 4.7★ (31) | Coventry, 16 mi away | Sat · Sun · Evenings | — |
| 5 | NetZero Insulation Technologies | 56 | 5.0★ (260) | Seekonk, 25 mi away | — | — |
| 6 | Best Home Performance | 55 | 4.6★ (43) | East Haddam, 20 mi away | Sat · Sun | — |
| 7 | WeatherTek Insulation LLC | 55 | 4.4★ (32) | Coventry, 24 mi away | 24/7 | — |
| 8 | Precision Spray Foam Insulation Warwick | 54 | 4.7★ (36) | Seekonk, 25 mi away | Sat · Sun · Evenings | — |
| 9 | Quality Insulation of Eastern CT | 53 | 3.7★ (26) | Norwich, 5 mi away | — | — |
| 10 | C & R Insulation Inc | 53 | 4.6★ (18) | Hebron, 12 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 5.0★ from 611 Google reviews, the most in Preston City.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seekonk, 25 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hebron, 18 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 521 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coventry, 16 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seekonk, 25 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 260 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Haddam, 20 mi away
Ranked #6 because of its Google rating and trade focus: 4.6★ from 43 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coventry, 24 mi away
Ranked #7 because of its Google rating and trade focus: 4.4★ from 32 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seekonk, 25 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 36 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norwich, 5 mi away
Ranked #9 because of its Google rating and trade focus: 3.7★ from 26 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hebron, 12 mi away
Ranked #10 because of its Google rating and trade focus: 4.6★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Groton, 10 mi away
Ranked #11 because of its Google rating and trade focus: 4.5★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norwich, 8 mi away
Ranked #12 because of its Google rating and trade focus: 4.3★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norwich, 5 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coventry, 19 mi away
Ranked #14 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Exeter, 24 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Seekonk, 25 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Coventry, 23 mi away
Ranked #17 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Haddam, 19 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bridgeport, 11 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Haddam, 19 mi away
Ranked #20 because of its Google rating and review volume: 4.7★ from 82 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Groton, 11 mi away
Ranked #21 because of its Google rating and trade focus: 4.6★ from 16 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
12 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.
| Business | Google rating | Distance |
|---|---|---|
| Alex's Energy Insulation Construction LLC | 5.0★ (2) | 22 mi |
| ASW Construction | 19 mi | |
| Capalbo's Waste Service | 14 mi | |
| Duct Insulation | 22 mi | |
| Green Energy Insulation & Chimney Caps and Covers ltd | 14 mi | |
| Lui G Insulation | 25 mi | |
| Mega Innovations LLC | 11 mi | |
| R & R Insulators LLC | 6 mi | |
| R-Value Insulation LLC | 5.0★ (1) | 23 mi |
| R-Value Insulation LLC | 4 mi | |
| Rhode Island Spray Foam Insulation | 25 mi | |
| USA Insulation of Eastern Connecticut | 20 mi |
National price ranges in USD, not adjusted for Preston City. 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 21 Preston City 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 Preston City 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 |