45 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in New Bedford: Southern Mass Spray Foam Inc., CR Score 63/100; 4.9★ from 33 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): QCC'S Attic Insulation & Roofing Services New Bedford, MA, posts 24/7 hours; ranked #21 of 45.
Most-reviewed: Efficient Buildings INC, 99 Google reviews at 4.9★, the most of 45 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
45 New Bedford insulation contractors are ranked here by CR Score, from ten published factors. 1 is open 24/7, 21 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.9★ across 45 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Southern Mass Spray Foam Inc. | 63 | 4.9★ (33) | New Bedford | Sat · Sun · Evenings | Overall |
| 2 | Efficient Buildings INC | 62 | 4.9★ (99) | Acushnet, 6 mi away | — | Most reviews |
| 3 | A2Z Energy Solutions | 61 | 5.0★ (41) | Berkley, 13 mi away | Sat · Sun | — |
| 4 | Air Tight Insulators LLC | 61 | 5.0★ (16) | New Bedford | — | — |
| 5 | A.F.T. Insulation | 60 | 4.9★ (48) | Fall River, 10 mi away | Sat · Evenings | — |
| 6 | Alternative Weatherization Inc | 59 | 4.9★ (80) | Fall River, 12 mi away | — | — |
| 7 | Baylies Insulation | 59 | 4.9★ (74) | Berkley, 13 mi away | Sat · Sun | — |
| 8 | Santos Group Insulation | 59 | 4.9★ (95) | Raynham, 25 mi away | Sat | — |
| 9 | Advanced Insulation Falmouth Inc. | 58 | 5.0★ (36) | East Falmouth, 18 mi away | Sat | — |
| 10 | Southern Mass Attic Insulation Inc. | 57 | 4.9★ (35) | Taunton, 20 mi away | Sat | — |
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 trade focus: 4.9★ from 33 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Acushnet, 6 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 99 Google reviews, the most in New Bedford.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Berkley, 13 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Bedford
Ranked #4 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Fall River, 10 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fall River, 12 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 80 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Berkley, 13 mi away
Ranked #7 because of its Google rating and review volume: 4.9★ from 74 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Raynham, 25 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 95 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Falmouth, 18 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Taunton, 20 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Bedford
Ranked #11 because of its Google rating and trade focus: 4.9★ from 19 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairhaven, 2 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 20 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fall River, 13 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 34 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fall River, 12 mi away
Ranked #14 because of its Google rating and trade focus: 4.5★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Fairhaven, 2 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 18 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fall River, 10 mi away
Ranked #16 because of its Google rating and trade focus: 4.3★ from 29 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Attleboro, 19 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 36 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Bedford
Ranked #18 because of its Google rating and review volume: 5.0★ from 14 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Carver, 20 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 43 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Tiverton, 12 mi away
Ranked #20 because of its Google rating and trade focus: 4.6★ from 17 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Bedford
Ranked #21 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fall River, 12 mi away
Ranked #22 because of its Google rating and trade focus: 4.2★ from 14 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Swansea, 21 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arlington, 11 mi away
Ranked #24 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 New Bedford
Ranked #25 because of its Google rating and review volume: 4.9★ from 24 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #45, in CR Score order; each links to its profile.
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 Building Systems | 5.0★ (1) | 14 mi |
| Baylies Insulation | 5.0★ (2) | 12 mi |
| Boss roofing LLC | 4.8★ (14) | In New Bedford |
| C2S Energy | 4.9★ (173) | In New Bedford |
| CIC Insulation, Inc. | 5.0★ (2) | 22 mi |
| Commercial Drywall & Construction | 4.1★ (15) | In New Bedford |
| Cote and Sons LLC | 4.9★ (13) | In New Bedford |
| Couto Construction | 4.8★ (1,600) | In New Bedford |
| CPOP Attic Insulation & Roofing Services Inc, MA | 5.0★ (1) | In New Bedford |
| Harborview Building | 5.0★ (1) | 14 mi |
| LED'S Attic Insulation & Roofing Services Acushnet, MA | 5.0★ (2) | 4 mi |
| Ned Reynolds | 5.0★ (2) | 22 mi |
| Noe Profinish Drywall | 5.0★ (4) | In New Bedford |
| Pano's Home Pros | 5.0★ (1) | In New Bedford |
| Queen Dryer vent & Air Duct Cleaning Services Of MA | 4.0★ (4) | In New Bedford |
| Robert Commercial Construction | 5.0★ (3) | In New Bedford |
| Scorpion's Contracting, Inc. | 4.8★ (4) | In New Bedford |
| SERVPRO of Dartmouth/New Bedford | 4.9★ (193) | In New Bedford |
| SRT Air duct cleaning and Dryer vent cleaning of MA | 4.9★ (10) | In New Bedford |
| Uslg Boston | 1.0★ (1) | 9 mi |
National price ranges in USD, not adjusted for New Bedford. 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 45 New Bedford 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 New Bedford 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 |