54 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Hollis: Neeeco, CR Score 59/100; 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 #2 of 54.
Most-reviewed: USA Insulation of Southern NH, 291 Google reviews at 4.6★, the most of 54 ranked after Neeeco; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
54 Hollis insulation contractors are ranked here by CR Score, from ten published factors. 5 are open 24/7, 30 open Saturdays and 11 open Sundays, based on posted hours. The median Google rating is 4.8★ across 54 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Neeeco | 59 | 4.9★ (3,580) | Wilmington, 25 mi away | Sat · Evenings | Overall |
| 2 | TH Finish Carpentry - Carpenter in Nashua | 58 | 5.0★ (12) | Nashua, 6 mi away | 24/7 | Emergencies |
| 3 | East Coast Drywall Services | 57 | 5.0★ (13) | Lebanon, 5 mi away | Sat · Sun · Evenings | — |
| 4 | CJS Construction | 56 | 5.0★ (15) | Hudson, 10 mi away | Sat · Sun | — |
| 5 | USA Insulation of Southern NH | 55 | 4.6★ (291) | Manchester, 18 mi away | Sat | Most reviews |
| 6 | A Plus Energy Services | 54 | 4.8★ (59) | Milford, 9 mi away | — | — |
| 7 | Absolute Energy Solutions | 54 | 4.8★ (68) | Methuen, 18 mi away | Sat | — |
| 8 | Dolphin Insulation, Inc. | 54 | 4.8★ (159) | Acton, 15 mi away | — | — |
| 9 | Affordable Insulation | 53 | 5.0★ (27) | Lowell, 16 mi away | Sat | — |
| 10 | Efficient Buildings LLC | 53 | 5.0★ (10) | Hudson, 24 mi away | 24/7 | — |
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 Hollis.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nashua, 6 mi away
Ranked #2 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 Lebanon, 5 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hudson, 10 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 18 mi away
Ranked #5 because of its Google rating and trade focus: 4.6★ from 291 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milford, 9 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 59 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Methuen, 18 mi away
Ranked #7 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 Acton, 15 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 159 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lowell, 16 mi away
Ranked #9 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 Hudson, 24 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gardner, 24 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Acton, 18 mi away
Ranked #12 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 Billerica, 22 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 40 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lowell, 16 mi away
Ranked #14 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 Hudson, 9 mi away
Ranked #15 because of its Google rating and trade focus: 4.7★ from 6 Google reviews, listed on Google as “Swimming pool contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Concord, 21 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Methuen, 18 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 Auburn, 22 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 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Lawrence, 22 mi away
Ranked #19 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 Methuen, 21 mi away
Ranked #20 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 Lawrence, 22 mi away
Ranked #21 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 Auburn, 22 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 38 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nashua, 7 mi away
Ranked #23 because of its Google rating and review volume: 4.8★ from 211 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Acton, 19 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 Tewksbury, 18 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 15 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 54 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) | 21 mi |
| Amherst Insulation & Firestop | 5.0★ (1) | 16 mi |
| DENG'S Attic Insulation & Roofing Services Inc, MA | 1.0★ (2) | 22 mi |
| Done Right HVAC | In Hollis | |
| Edgewood Drywall Services | 4.9★ (9) | In Hollis |
| Energy Saver Enablers, LLC | 5.0★ (1) | 22 mi |
| Energy Vision Homes, LLC. | 5.0★ (1) | In Hollis |
| Foam Monsters | 5.0★ (1) | 6 mi |
| Graphite Insulating System Inc | 5.0★ (1) | 22 mi |
| Greenstar Spray foam | 5.0★ (2) | 24 mi |
| HomeWorks Energy | 1.0★ (2) | 25 mi |
| Hot & Cold Energy | 1.0★ (1) | 18 mi |
| Kj's Energy Savers LLC | 5.0★ (2) | 9 mi |
| Revise Inc. | 3.0★ (2) | 24 mi |
| Solergy llc | 5.0★ (2) | 8 mi |
| Thermo Dynamics | 5.0★ (1) | 22 mi |
| United Roofing & Remodeling LLC | 5.0★ (2) | In Hollis |
| Walker Restoration Contractors LLC | 5.0★ (1) | 14 mi |
| ZND-A&A Attic-Solution & Insulation's & Roofing Service Tewksbury, MA | 5.0★ (1) | 18 mi |
| ZND-JACK Attic-Solution & Insulation's & Roofing Service Acton, MA | 5.0★ (2) | 21 mi |
National price ranges in USD, not adjusted for Hollis. 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 54 Hollis 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 Hollis 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 |