117 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Somerville: EcoShield Pest Solutions, CR Score 84/100; 4.8★ from 6,084 Google reviews; open Saturdays until 1 PM.
Best for emergencies (open 24/7): Green Rodent Restoration LLC, posts 24/7 hours; ranked #3 of 117.
Most-reviewed: Princeton Air Conditioning, 2,172 Google reviews at 4.7★, the most of 117 ranked after EcoShield Pest Solutions; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
117 Somerville insulation contractors are ranked here by CR Score, from 8 published factors. 8 are open 24/7, 72 open Saturdays and 22 open Sundays, based on posted hours. The median Google rating is 4.8★ across 117 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | EcoShield Pest Solutions | 84 | 4.8★ (6,084) | Edison, 15 mi away | Sat | Overall |
| 2 | Brunswick All Insulation Pros | 84 | 5.0★ (20) | Somerville | Sat · Sun | — |
| 3 | Green Rodent Restoration LLC | 84 | 4.6★ (40) | Edison, 12 mi away | 24/7 | Emergencies |
| 4 | Atticrawl LLC | 82 | 4.9★ (1,005) | Woodbridge, 17 mi away | Sun · Evenings | — |
| 5 | Green Care Air Ducts and Chimney Services | 82 | 5.0★ (194) | East Brunswick, 10 mi away | 24/7 | — |
| 6 | Princeton Air Conditioning | 81 | 4.7★ (2,172) | Princeton, 19 mi away | 24/7 | Most reviews |
| 7 | Brunswick Insulation Pros | 81 | 4.9★ (36) | East Brunswick, 15 mi away | Sat · Sun | — |
| 8 | Ace Handyman Services Bernards | 80 | 5.0★ (334) | Bernardsville, 8 mi away | Sat · Sun | — |
| 9 | DoctorEnergySmart | 80 | 4.9★ (146) | Dover, 21 mi away | Sat · Sun | — |
| 10 | Thermal Shield Insulation | 80 | 4.9★ (106) | East Hanover, 24 mi away | Sat · Sun · Evenings | — |
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 review volume: 4.8★ from 6,084 Google reviews, the most Google reviews on this list (6,084).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Somerville
Ranked #2 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Edison, 12 mi away
Ranked #3 because of its Google rating and availability: 4.6★ from 40 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Woodbridge, 17 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 1,005 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Brunswick, 10 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 194 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Princeton, 19 mi away
Ranked #6 because of its Google rating and availability: 4.7★ from 2,172 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Brunswick, 15 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 36 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bernardsville, 8 mi away
Ranked #8 because of its Google rating and availability: 5.0★ from 334 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Dover, 21 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 146 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Hanover, 24 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 106 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Plainfield, 11 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Linden, 18 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Highland Park, 11 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bound Brook, 4 mi away
Ranked #14 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Robertsville, 23 mi away
Ranked #15 because of its Google rating and availability: 4.6★ from 1,213 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Budd Lake, 22 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Freehold, 24 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 95 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Brunswick, 19 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Plainfield, 11 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Newark, 24 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Matawan, 23 mi away
Ranked #21 because of its Google rating and availability: 4.9★ from 56 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New Brunswick, 11 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Budd Lake, 22 mi away
Ranked #23 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Union, 18 mi away
Ranked #24 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.
Based in Bedminster, 8 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 8 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 117 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 |
|---|---|---|
| Atticare Parsippany | 5.0★ (1) | 17 mi |
| Blown In Insulation Co | In Somerville | |
| Cornerstone Carpentry & Contractor | 5.0★ (1) | 15 mi |
| Ford's Home Improvement 56 | 3.0★ (2) | 22 mi |
| JJG - Attic Insulation & Roofing Services Co, NJ | 5.0★ (2) | 12 mi |
| M&C Quality Construction | 5.0★ (1) | 10 mi |
| M&M Attic-Solution & Insulation's & Roofing Service Linden, NJ | 5.0★ (2) | 20 mi |
| Marv Insulation LLC | 5.0★ (2) | 22 mi |
| Michael Angelo's Construction | 3.0★ (2) | 20 mi |
| Paul Master Contractors LLC | 5.0★ (1) | 18 mi |
| Perimeter Insulation Inc | 5.0★ (2) | 5 mi |
| Premier Insulators | 5.0★ (2) | 20 mi |
| Ribba Wood Working | 5.0★ (2) | 16 mi |
| Russ Nelson Paint & Contracting | 5.0★ (1) | 7 mi |
| Score Spray Foam | 3.0★ (2) | 24 mi |
| SDK Associates | In Somerville | |
| United Spray Foam | 5.0★ (2) | 19 mi |
| Viola Construction Co Inc | 5.0★ (1) | 12 mi |
| WJ Best Insulation | 5.0★ (1) | 15 mi |
| ZND-Post Attic-Solution & Insulation's & Roofing Service Sayreville, NJ | 4.5★ (2) | 17 mi |
National price ranges in USD, not adjusted for Somerville. 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 117 Somerville 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 Somerville 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 |