59/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 168 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 168 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 10 AM–2 PM · Sun closed
Best Insulation Contractors in Rockville, CT (2026)
48 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Rockville: Fogarty's Home Services, CR Score 59/100; 4.8★ from 168 Google reviews; open Saturdays until 2 PM.
- 5
Best for emergencies (open 24/7): Klaus Larsen Roofing, posts 24/7 hours; ranked #5 of 48.
- 8
Most-reviewed: Homestead Comfort, 787 Google reviews at 4.7★, the most of 48 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
48 Rockville insulation contractors are ranked here by CR Score, from ten published factors. 4 are open 24/7, 26 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 4.8★ across 48 rated businesses.
Top 10 insulation contractors in Rockville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Fogarty's Home Services | 59 | 4.8★ (168) | Hartford, 8 mi away | Sat | Overall |
| 2 | Precision | 57 | 5.0★ (23) | Ellington, 9 mi away | Sat · Sun · Evenings | — |
| 3 | Koala Insulation of Eastern Connecticut | 57 | 4.9★ (83) | Manchester, 5 mi away | — | — |
| 4 | Eco Energy Guard LLC | 57 | 5.0★ (96) | Farmington, 23 mi away | Sat · Sun · Evenings | — |
| 5 | Klaus Larsen Roofing | 56 | 4.8★ (521) | Hebron, 17 mi away | 24/7 | Emergencies |
| 6 | JT Energy LLC | 56 | 4.9★ (33) | South Windsor, 10 mi away | Sat | — |
| 7 | Koala Insulation of Central Connecticut | 56 | 5.0★ (158) | Cromwell, 18 mi away | — | — |
| 8 | Homestead Comfort | 55 | 4.7★ (787) | Ellington, 1 mi away | — | Most reviews |
| 9 | Priority Inc. | 55 | 5.0★ (24) | East Hartford, 13 mi away | Sat · Evenings | — |
| 10 | Priority Spray Foam | 55 | 5.0★ (23) | Hartford, 14 mi away | Sat · Evenings | — |
The 48 best insulation contractors in Rockville, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
#2 Precision
Based in Ellington, 9 mi away
57/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 23 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat 8 AM–6 PM · Sun 8 AM–5 PM
Based in Manchester, 5 mi away
57/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 83 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 83 Google reviews
- Hours
- Mon 8 AM–5 PM · Tue 8 AM–6 PM · Wed 8 AM–5 PM · Thu 8 AM–6 PM · Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 90 Progress Dr, Manchester, CT 06042
Based in Farmington, 23 mi away
57/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 96 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 96 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun 7 AM–5 PM
Based in Hebron, 17 mi away
56/100CR ScoreRanked #5 because of its Google rating and review volume: 4.8★ from 521 Google reviews.
- 4.8★ from 521 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 29 Northridge Dr, North Windham, CT 06256
Based in South Windsor, 10 mi away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 33 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 33 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 200 Burnham St, South Windsor, CT 06074
Based in Cromwell, 18 mi away
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 158 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 158 Google reviews
- Hours
- Mon–Fri 8:30 AM–4 PM · Sat–Sun closed
- Address
- 148 Dividend Rd Unit A, Rocky Hill, CT 06067
Based in Ellington, 1 mi away
55/100CR ScoreRanked #8 because of its Google rating and review volume: 4.7★ from 787 Google reviews, the most in Rockville.
- 4.7★ from 787 Google reviews
- Hours
- Mon–Fri 7:30 AM–4 PM · Sat–Sun closed
- Address
- 100 West Rd #2, Ellington, CT 06029
Based in East Hartford, 13 mi away
55/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 24 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
- Address
- 23 Elms Village Dr, East Hartford, CT 06118
Based in Hartford, 14 mi away
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 23 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
- Address
- 41 Irving St, Hartford, CT 06112
Based in East Haddam, 21 mi away
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.6★ from 43 Google reviews, listed on Google as “Insulation contractor”.
- 4.6★ from 43 Google reviews
- Hours
- Mon–Sun 8 AM–4 PM
- Address
- 247 Old Hartford Rd, Colchester, CT 06415
#12 Best
Based in Windsor, 10 mi away
54/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 16 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat 9 AM–3 PM · Sun closed
- Address
- 77 Pierson Ln unit e, Windsor, CT 06095
Based in Glastonbury, 13 mi away
54/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun 7 AM–3 PM
- Address
- 22 Kreiger Ln, Glastonbury, CT 06033
Based in West Hartford, 15 mi away
54/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 36 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat–Sun closed
- Address
- 200 Bloomfield Ave #3868, West Hartford, CT 06117
#15 Collins & Co
Based in Ellington, 9 mi away
53/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.5★ from 28 Google reviews, listed on Google as “Insulation contractor”.
- 4.5★ from 28 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 23 Thompson Rd, East Windsor, CT 06088
Based in Farmington, 19 mi away
53/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 3 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 507 Carlton Ln, Rocky Hill, CT 06067
#17 Ari Spray Foam
Based in Hartford, 15 mi away
53/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 4 Google reviews
- Hours
- Mon–Sun 6 AM–7 PM
- Address
- 65 Highland Park Dr, Bloomfield, CT 06002
Based in Farmington, 20 mi away
52/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.4★ from 30 Google reviews, listed on Google as “Insulation contractor”.
- 4.4★ from 30 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
- Address
- 35 E Main St #359, Avon, CT 06001
Based in Cheshire Village, 22 mi away
52/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.2★ from 56 Google reviews, listed on Google as “Insulation contractor”.
- 4.2★ from 56 Google reviews
- Hours
- Mon–Fri 6 AM–5 PM · Sat 7 AM–12 PM · Sun closed
- Address
- 105A Clark Dr, East Berlin, CT 06023
Based in Westfield, 22 mi away
52/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 45 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 45 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 54 Mainline Dr Unit C, Westfield, MA 01085
#21 Energy Nerds LLC
Based in New Britain, 21 mi away
52/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Insulation contractor”.
- 4.7★ from 15 Google reviews
- Hours
- Mon–Sat 7 AM–6 PM · Sun closed
- Address
- Chapman St, New Britain, CT 06051
Based in Cromwell, 20 mi away
51/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 11 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 10 AM–2 PM · Sun closed
- Address
- 1275 Cromwell Ave STE B-14, Rocky Hill, CT 06067
Based in Enfield, 18 mi away
51/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 18 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 18 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat–Sun closed
Based in West Hartford, 17 mi away
50/100CR ScoreRanked #24 because of its Google rating and availability: 4.6★ from 22 Google reviews, open 24/7.
- 4.6★ from 22 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 71 Raymond Rd, West Hartford, CT 06107
#25 HomeWorks Energy
Based in Springfield, 20 mi away
50/100CR ScoreRanked #25 because of its Google rating and trade focus: 3.4★ from 25 Google reviews, listed on Google as “Insulation contractor”.
- 3.4★ from 25 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat 9 AM–5 PM · Sun closed
- Address
- 357 Cottage St Unit 3, Springfield, MA 01104
All 48 insulation contractors
#1 to #25 are shown in full above. Here are #26 to #48, in CR Score order; each links to its profile.
Also serving Rockville
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 |
|---|---|---|
| Alex's Energy Insulation Construction LLC | 5.0★ (2) | 17 mi |
| B&E | 5.0★ (1) | 18 mi |
| Bright Solutions, LLC | 5.0★ (1) | 11 mi |
| Bright Solutions, LLC | 5.0★ (1) | 16 mi |
| Ceilings Inc. | 3.0★ (1) | 16 mi |
| CNC LLC Holyoke,Ma | 5.0★ (2) | 23 mi |
| Connecticut Spray Foam LLC | 1.0★ (1) | 14 mi |
| Connecticut's Handyman | 5.0★ (1) | 16 mi |
| EAG Attic Insulation & Roofing Serviecs Co, MA | 18 mi | |
| Eman Home | 14 mi | |
| Fleming's Property Services LLC | 5.0★ (1) | 20 mi |
| Gauthier Insulation & Chimney odor removal Ltd | 5.0★ (1) | 25 mi |
| H J Houle & Son | 13 mi | |
| Manchester | 5.0★ (1) | 7 mi |
| New Beginnings Construction & Manufacturing LLC | 20 mi | |
| Northeast Refrigeration & Insulation Inc | 9 mi | |
| Pro Insulation | 1.0★ (1) | 15 mi |
| Restored Insulation Services Co | 15 mi | |
| Rigid Mason Contractors Inc | 5.0★ (1) | 14 mi |
| TC Daimyo House Restoration And Attic Insulation Services,Hartford, CT | 5.0★ (2) | 12 mi |
How much do insulation contractors cost in Rockville?
National price ranges in USD, not adjusted for Rockville. 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 |
How we ranked Rockville insulation contractors
We scored 48 Rockville 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 Rockville 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 |
Insulation contractors in Rockville: frequently asked questions
Who is the best insulation contractor in Rockville?
By CR Score, the highest-ranked insulation contractor in Rockville, CT is Fogarty's Home Services with a CR Score of 59/100. It has 4.8★ from 168 Google reviews. It is open Saturdays until 2 PM. Precision (#2) and Koala Insulation of Eastern Connecticut (#3) follow. We ranked 48 insulation contractors on ten factors, last updated October 22, 2026.
How many insulation contractors are there in Rockville?
ContractorsRanked ranks 48 insulation contractors serving Rockville, CT. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which insulation contractors in Rockville are open 24/7?
4 ranked insulation contractors in Rockville post 24/7 hours. The highest-ranked are Klaus Larsen Roofing (#5), Scalzo Mechanical Insulation, LLC (#16) and Graves Brothers Home Improvement (#24). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Rockville work on weekends?
26 of 48 ranked insulation contractors post Saturday hours and 10 post Sunday hours. The highest-ranked open Saturdays are Fogarty's Home Services (#1), Precision (#2) and Eco Energy Guard LLC (#4). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Rockville?
Attic insulation typically costs $1,700 to $2,500, with $2,100 typical (Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range). This is a national range, not adjusted for Rockville. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Rockville insulation contractors have?
The median Google rating among 48 rated insulation contractors in Rockville is 4.8★, with a median of 20 reviews. Homestead Comfort has the most, 787 reviews, and ranks #8. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank insulation contractors?
Each insulation contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do insulation contractors outside Rockville count in this ranking?
Yes, if they are within 25 mi of the Rockville city center, our service radius for insulation contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Rockville
- October 2026: CR Scores recalculated for 48 insulation contractors serving Rockville.
More insulation contractors and Rockville pages
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