84/100CR Score
Ranked #1 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
Best Insulation Contractors in Thompsonville, CT (2026)
43 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Thompsonville: Eco Energy Guard LLC, CR Score 84/100; 5.0★ from 96 Google reviews; open 7 days a week.
- 10
Best for emergencies (open 24/7): Scalzo Mechanical Insulation, LLC, posts 24/7 hours; ranked #10 of 43.
- 20
Most-reviewed: American Installations, 1,054 Google reviews at 4.9★, the most of 43 ranked; ranked #20.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
43 Thompsonville insulation contractors are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 22 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.9★ across 43 rated businesses.
Top 10 insulation contractors in Thompsonville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Eco Energy Guard LLC | 84 | 5.0★ (96) | Farmington, 20 mi away | Sat · Sun · Evenings | Overall |
| 2 | Fogarty's Home Services | 84 | 4.8★ (168) | Hartford, 6 mi away | Sat | — |
| 3 | Precision | 82 | 5.0★ (23) | Ellington, 8 mi away | Sat · Sun · Evenings | — |
| 4 | Ari Spray Foam | 79 | 5.0★ (4) | Hartford, 12 mi away | Sat · Sun · Evenings | — |
| 5 | Green Collar | 79 | 4.9★ (309) | South Hadley, 15 mi away | — | — |
| 6 | JT Energy LLC | 78 | 4.9★ (33) | South Windsor, 14 mi away | Sat | — |
| 7 | Priority Spray Foam | 78 | 5.0★ (23) | Hartford, 16 mi away | Sat · Evenings | — |
| 8 | Priority Inc. | 78 | 5.0★ (24) | East Hartford, 18 mi away | Sat · Evenings | — |
| 9 | Hartford Building Company LLC | 78 | 5.0★ (6) | Glastonbury, 20 mi away | Sat · Sun | — |
| 10 | Scalzo Mechanical Insulation, LLC | 77 | 5.0★ (3) | Farmington, 24 mi away | 24/7 | Emergencies |
The 43 best insulation contractors in Thompsonville, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Hartford, 6 mi away
84/100CR ScoreRanked #2 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
#3 Precision
Based in Ellington, 8 mi away
82/100CR ScoreRanked #3 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 Hartford, 12 mi away
79/100CR ScoreRanked #4 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
#5 Green Collar
Based in South Hadley, 15 mi away
79/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 309 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 309 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 48 Lamb St, South Hadley, MA 01075
Based in South Windsor, 14 mi away
78/100CR 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 Hartford, 16 mi away
78/100CR ScoreRanked #7 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 Hartford, 18 mi away
78/100CR ScoreRanked #8 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 Glastonbury, 20 mi away
78/100CR ScoreRanked #9 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 Farmington, 24 mi away
77/100CR ScoreRanked #10 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
- 5.0★ from 3 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 507 Carlton Ln, Rocky Hill, CT 06067
Based in Manchester, 14 mi away
77/100CR ScoreRanked #11 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 Westfield, 10 mi away
76/100CR ScoreRanked #12 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
Based in West Hartford, 18 mi away
76/100CR ScoreRanked #13 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
Based in Farmington, 18 mi away
76/100CR ScoreRanked #14 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 Cromwell, 24 mi away
76/100CR ScoreRanked #15 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 West Hartford, 15 mi away
75/100CR ScoreRanked #16 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
Based in Enfield, 8 mi away
75/100CR ScoreRanked #17 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
#18 Collins & Co
Based in Ellington, 6 mi away
75/100CR ScoreRanked #18 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
#19 Best
Based in Windsor, 10 mi away
75/100CR ScoreRanked #19 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 Chicopee, 17 mi away
75/100CR ScoreRanked #20 because of its Google rating and review volume: 4.9★ from 1,054 Google reviews, the most Google reviews on this list (1,054).
- 4.9★ from 1,054 Google reviews
- Hours
- Mon–Thu 7:30 AM–7:30 PM · Fri 7:30 AM–5 PM · Sat–Sun closed
- Address
- 43 W State St, Granby, MA 01033
Based in Farmington, 17 mi away
75/100CR ScoreRanked #21 because of its Google rating and availability: 4.9★ from 11 Google reviews, open 24/7.
- 4.9★ from 11 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#22 HomeWorks Energy
Based in Springfield, 11 mi away
75/100CR ScoreRanked #22 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
Based in Chicopee, 13 mi away
74/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 22 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 319 Meadow St Unit B, Chicopee, MA 01013
Based in Ellington, 11 mi away
74/100CR ScoreRanked #24 because of its Google rating and review volume: 4.7★ from 787 Google reviews, 787 Google reviews.
- 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
#25 Energy Nerds LLC
Based in New Britain, 24 mi away
73/100CR ScoreRanked #25 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
All 43 insulation contractors
#1 to #25 are shown in full above. Here are #26 to #43, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Athena Building Performance, Inc. | 73 | 4.8★ (26) | 17 mi |
| 27 | Bay Insulation Systems of Connecticut | 72 | 5.0★ (3) | 7 mi |
| 28 | PHE Attic Insulation & Roofing Services Co, MA | 72 | 5.0★ (5) | 17 mi |
| 29 | Bartley Contracting LLC | 72 | 4.3★ (11) | 15 mi |
| 30 | Gilbert & Son Insulation Inc. | 72 | 4.6★ (9) | 14 mi |
| 31 | Green Energy Saver | 72 | 4.7★ (3) | 18 mi |
| 32 | PNE Attic Insulation & Roofing Services Co, MA | 71 | 4.6★ (9) | 12 mi |
| 33 | Klaus Roofing Systems by J Smegal | 71 | 5.0★ (122) | 15 mi |
| 34 | DOUP Attic Insulation & Roofing Services South Hadley, MA | 70 | 5.0★ (7) | 16 mi |
| 35 | Eco Home Improvement & Remodeling - Construction Company | 70 | 4.8★ (23) | 18 mi |
| 36 | Foam USA, LLC | 70 | 5.0★ (12) | 20 mi |
| 37 | C&S Seamless Gutters & Attic Insulation Service Chicopee, MA | 70 | 5.0★ (3) | 13 mi |
| 38 | U.S. Insulation Corp. | 69 | 3.5★ (18) | 19 mi |
| 39 | Craig Masonry | 69 | 4.2★ (5) | 7 mi |
| 40 | Bartlett Brainard Products Co. | 66 | 4.7★ (40) | 19 mi |
| 41 | Solutions of CT | 66 | 4.6★ (21) | 16 mi |
| 42 | ALL Star Insulation & Siding | 65 | 3.6★ (26) | 19 mi |
| 43 | Eastern Mechanical Insulation | 63 | 3.7★ (3) | 19 mi |
Also serving Thompsonville
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 |
|---|---|---|
| B&E | 5.0★ (1) | 9 mi |
| Bright Solutions, LLC | 5.0★ (1) | 9 mi |
| Bright Solutions, LLC | 5.0★ (1) | 18 mi |
| Ceilings Inc. | 3.0★ (1) | 19 mi |
| CNC LLC Holyoke,Ma | 5.0★ (2) | 12 mi |
| Connecticut Spray Foam LLC | 1.0★ (1) | 20 mi |
| Connecticut's Handyman | 5.0★ (1) | 18 mi |
| EAG Attic Insulation & Roofing Serviecs Co, MA | 9 mi | |
| Fleming's Property Services LLC | 5.0★ (1) | 16 mi |
| Gauthier Insulation & Chimney odor removal Ltd | 5.0★ (1) | 14 mi |
| H J Houle & Son | 16 mi | |
| Industrial Mechanical Corporation | 15 mi | |
| Insulation Contractor & Chimney cap installation LTD | 14 mi | |
| Manchester | 5.0★ (1) | 17 mi |
| New Beginnings Construction & Manufacturing LLC | 13 mi | |
| Northeast Refrigeration & Insulation Inc | 6 mi | |
| Pelletier Insulation | 5.0★ (1) | 15 mi |
| Pro Insulation | 1.0★ (1) | 25 mi |
| Rigid Mason Contractors Inc | 5.0★ (1) | 17 mi |
| TC Daimyo House Restoration And Attic Insulation Services,Hartford, CT | 5.0★ (2) | 15 mi |
How much do insulation contractors cost in Thompsonville?
National price ranges in USD, not adjusted for Thompsonville. 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 Thompsonville insulation contractors
We scored 43 Thompsonville 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 Thompsonville 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 |
Insulation contractors in Thompsonville: frequently asked questions
Who is the best insulation contractor in Thompsonville?
By CR Score, the highest-ranked insulation contractor in Thompsonville, CT is Eco Energy Guard LLC with a CR Score of 84/100. It has 5.0★ from 96 Google reviews. It is open 7 days a week. Fogarty's Home Services (#2) and Precision (#3) follow. We ranked 43 insulation contractors on 8 factors, last updated October 22, 2026.
How many insulation contractors are there in Thompsonville?
ContractorsRanked ranks 43 insulation contractors serving Thompsonville, CT. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which insulation contractors in Thompsonville are open 24/7?
3 ranked insulation contractors in Thompsonville post 24/7 hours. The highest-ranked are Scalzo Mechanical Insulation, LLC (#10), Graves Brothers Home Improvement (#13) and Green Man's Contracting & Landscaping LLC (#21). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Thompsonville work on weekends?
22 of 43 ranked insulation contractors post Saturday hours and 8 post Sunday hours. The highest-ranked open Saturdays are Eco Energy Guard LLC (#1), Fogarty's Home Services (#2) and Precision (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Thompsonville?
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 Thompsonville. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Thompsonville insulation contractors have?
The median Google rating among 43 rated insulation contractors in Thompsonville is 4.9★, with a median of 22 reviews. American Installations has the most, 1,054 reviews, and ranks #20. 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do insulation contractors outside Thompsonville count in this ranking?
Yes, if they are within 25 mi of the Thompsonville 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 Thompsonville
- October 2026: CR Scores recalculated for 43 insulation contractors serving Thompsonville.
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Other trades in Thompsonville
- Roofers in Thompsonville646 ranked
- Plumbers in Thompsonville289 ranked
- Electricians in Thompsonville263 ranked
- HVAC contractors in Thompsonville353 ranked
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- Painters in Thompsonville96 ranked
- Landscapers in Thompsonville208 ranked
- Handymen in Thompsonville40 ranked
- Kitchen remodelers in Thompsonville194 ranked
- Bathroom remodelers in Thompsonville183 ranked
- Flooring contractors in Thompsonville155 ranked
- Tile installers in Thompsonville36 ranked
- Drywall contractors in Thompsonville11 ranked
- Concrete contractors in Thompsonville82 ranked
- Fence contractors in Thompsonville67 ranked
- Deck builders in Thompsonville83 ranked
- Siding contractors in Thompsonville304 ranked
- Window installers in Thompsonville253 ranked
- Gutter installers in Thompsonville118 ranked
- Solar installers in Thompsonville93 ranked
- Garage door repair companies in Thompsonville62 ranked
- Foundation repair companies in Thompsonville93 ranked
- Tree services in Thompsonville211 ranked
- Masonry contractors in Thompsonville151 ranked
- Water damage restoration companies in Thompsonville237 ranked
- Home builders in Thompsonville185 ranked
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- All contractors in Thompsonville