109 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Cohasset: HomeWorks Energy, CR Score 90/100; 4.7★ from 2,479 Google reviews; open 24/7.
Best for emergencies (open 24/7): Premium Insulation Svcs, Inc., posts 24/7 hours; ranked #6 of 109.
Most-reviewed: EcoShield Pest Solutions, 3,069 Google reviews at 4.8★, the most of 109 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
109 Cohasset insulation contractors are ranked here by CR Score, from 8 published factors. 6 are open 24/7, 66 open Saturdays and 13 open Sundays, based on posted hours. The median Google rating is 4.9★ across 109 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | HomeWorks Energy | 90 | 4.7★ (2,479) | Arlington, 17 mi away | 24/7 | Overall |
| 2 | Advanced Green Insulation | 87 | 5.0★ (1,236) | Rockland, 8 mi away | Sat | — |
| 3 | EcoShield Pest Solutions | 82 | 4.8★ (3,069) | Winchester, 23 mi away | Sat | Most reviews |
| 4 | Three Brothers Insulation | 82 | 5.0★ (22) | Abington, 12 mi away | Sat · Sun · Evenings | — |
| 5 | Boston Admirals Insulation | 81 | 4.9★ (41) | Everett, 17 mi away | Sat · Sun · Evenings | — |
| 6 | Premium Insulation Svcs, Inc. | 81 | 5.0★ (3) | Boston, 14 mi away | 24/7 | Emergencies |
| 7 | Scaffolding & Shoring Specialists | Lothrop Co | 81 | 4.8★ (9) | Malden, 19 mi away | 24/7 | — |
| 8 | WS Insulation Inc | 81 | 4.8★ (16) | Arlington, 10 mi away | Sat · Sun | — |
| 9 | Patriot Spray Foam Insulation | 81 | 4.9★ (63) | Rockland, 8 mi away | Sat | — |
| 10 | High Quality Insulation Corp | 80 | 4.9★ (60) | Abington, 10 mi away | Sat | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 4.7★ from 2,479 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rockland, 8 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 1,236 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Winchester, 23 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 3,069 Google reviews, the most Google reviews on this list (3,069).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Abington, 12 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Everett, 17 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 41 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Boston, 14 mi away
Ranked #6 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.
Based in Malden, 19 mi away
Ranked #7 because of its Google rating and availability: 4.8★ from 9 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Arlington, 10 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rockland, 8 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 63 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Abington, 10 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 60 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brockton, 19 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 93 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brockton, 18 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 103 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Beverly, 22 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 40 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Boston, 14 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hingham, 8 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 160 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Revere, 16 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 68 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brookline, 17 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Raynham, 23 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 95 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Quincy, 9 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Boston, 14 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Stoughton, 18 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brookline, 18 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 33 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waltham, 24 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 278 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Stoughton, 16 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rockland, 8 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 106 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
#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 109 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.
| Business | Google rating | Distance |
|---|---|---|
| American Insulation | 5.0★ (1) | 10 mi |
| BNY Attic Insulation & Roofing Services Inc, MA | 1.0★ (1) | 18 mi |
| Brzek Inc | 5.0★ (1) | 15 mi |
| Cohasset Insulation Services | 5.0★ (1) | 3 mi |
| Daniel J O'Leary & Son Inc | 5.0★ (1) | 24 mi |
| FK Extreme Perfection | 1.0★ (1) | 12 mi |
| Green Save Energy Corp | 1.0★ (1) | 16 mi |
| Greenstar insulation | 5.0★ (1) | 19 mi |
| Healthy Home Inc | 2.0★ (1) | 20 mi |
| Hi-Tech Attic Insulation & Roofing Services Of MA | 5.0★ (1) | 23 mi |
| HomeCore, LLC | 5.0★ (1) | 16 mi |
| Insupro Attic Insulation of Boston | 5.0★ (2) | 10 mi |
| MA Insulation Services, INC | 5.0★ (1) | 7 mi |
| Mechanical Insulation Design & Construction (MIDCO) | 3.0★ (2) | 21 mi |
| MES - Attic Insulation & Roofing Services Co, MA | 1.0★ (1) | 19 mi |
| S.G Plastering | 5.0★ (2) | 18 mi |
| SCS Environmental Services Inc. | 1.0★ (1) | 10 mi |
| Ward Two Electrical Repair | 5.0★ (2) | 18 mi |
| Y&J Attic Insulation Services & Roofing Services Of Newton, MA | 2.5★ (2) | 21 mi |
| ZND-SAL Attic-Solution & Insulation's & Roofing Service Watertown, MA | 5.0★ (2) | 21 mi |
National price ranges in USD, not adjusted for Cohasset. 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 109 Cohasset 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 Cohasset 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 |