69 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Merrimac: Neeeco, CR Score 61/100; 4.9★ from 3,580 Google reviews; open Saturdays until 4 PM.
Best for emergencies (open 24/7): TH Finish Carpentry - Carpenter in Nashua, posts 24/7 hours; ranked #9 of 69.
Most-reviewed: Revise Inc., 805 Google reviews at 4.6★, the most of 69 ranked after Neeeco; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
69 Merrimac insulation contractors are ranked here by CR Score, from ten published factors. 5 are open 24/7, 36 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 4.8★ across 69 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Neeeco | 61 | 4.9★ (3,580) | Wilmington, 18 mi away | Sat · Evenings | Overall |
| 2 | Revise Inc. | 60 | 4.6★ (805) | Haverhill, 6 mi away | Sat | Most reviews |
| 3 | The Green Cocoon, LIC - Home Insulation Contractor | 55 | 4.8★ (73) | Amesbury, 6 mi away | — | — |
| 4 | Absolute Energy Solutions | 55 | 4.8★ (68) | Methuen, 15 mi away | Sat | — |
| 5 | John P. Insulation | 54 | 4.8★ (40) | Beverly, 20 mi away | Sat · Sun | — |
| 6 | Heat Quest Insulation | 54 | 5.0★ (6) | Haverhill, 6 mi away | — | — |
| 7 | Valley Home Insulation LLC | 54 | 4.7★ (29) | Lawrence, 12 mi away | Sat | — |
| 8 | OPPO Attic Insulation & Roofing Services Haverhill, MA | 54 | 4.5★ (10) | Haverhill, 7 mi away | Sat · Evenings | — |
| 9 | TH Finish Carpentry - Carpenter in Nashua | 53 | 5.0★ (12) | Nashua, 24 mi away | 24/7 | Emergencies |
| 10 | Polar Bear Insulation Co Incorporated | 53 | 4.6★ (16) | Lawrence, 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: 4.9★ from 3,580 Google reviews, the most in Merrimac.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Haverhill, 6 mi away
Ranked #2 because of its Google rating and trade focus: 4.6★ from 805 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Amesbury, 6 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 73 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Methuen, 15 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 68 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Beverly, 20 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 40 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Haverhill, 6 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Lawrence, 12 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 29 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Haverhill, 7 mi away
Ranked #8 because of its Google rating and trade focus: 4.5★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nashua, 24 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lawrence, 12 mi away
Ranked #10 because of its Google rating and trade focus: 4.6★ 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 Methuen, 12 mi away
Ranked #11 because of its Google rating and review volume: 4.8★ from 108 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Haverhill, 5 mi away
Ranked #12 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 Hampton, 13 mi away
Ranked #13 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 24 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Woburn, 23 mi away
Ranked #15 because of its Google rating and trade focus: 4.7★ from 59 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lowell, 21 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Methuen, 15 mi away
Ranked #17 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chester, 5 mi away
Ranked #18 because of its Google rating and review volume: 4.9★ from 233 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Beverly, 15 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 21 mi away
Ranked #20 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 Derry, 12 mi away
Ranked #21 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 Lowell, 21 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 49 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Acton, 24 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 77 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Reading, 21 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Barrington, 20 mi away
Ranked #25 because of its Google rating and trade focus: 4.6★ from 14 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 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 69 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 |
|---|---|---|
| A&Q Attic Insulation Services & Roofing Services Of Lawrence, MA | 5.0★ (1) | 13 mi |
| Amherst Insulation & Firestop | 5.0★ (1) | 23 mi |
| Closed Cell Structures LLC | 5.0★ (1) | 18 mi |
| Daniel J O'Leary & Son Inc | 5.0★ (1) | 18 mi |
| Fox Hill Spray Foam | 3.0★ (2) | 16 mi |
| GM Building Company, LLP | 7 mi | |
| InTech | 5.0★ (2) | 6 mi |
| Kj's Energy Savers LLC | 5.0★ (2) | 22 mi |
| Krempel Insulation Technologies LP | 5.0★ (1) | 21 mi |
| Maillet Property Management | 2.0★ (1) | 6 mi |
| Portsmouth Spray Foam Insulation Pros | 5.0★ (1) | 23 mi |
| S.G Plastering | 5.0★ (2) | 25 mi |
| SHI Attic Insulation & Roofing Services Co, MA | 3.5★ (2) | 21 mi |
| Solergy llc | 5.0★ (2) | 23 mi |
| Tailored Insulation LLc | 7 mi | |
| The Green Foam Guy | 5.0★ (2) | 23 mi |
| Thermo Dynamics | 5.0★ (1) | 12 mi |
| Urban Insulation | 7 mi | |
| Valley Insulation Corp | 1.0★ (1) | 13 mi |
| ZND-A&A Attic-Solution & Insulation's & Roofing Service Tewksbury, MA | 5.0★ (1) | 21 mi |
National price ranges in USD, not adjusted for Merrimac. 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 69 Merrimac 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 Merrimac 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 |