64/100CR Score
Ranked #1 because of its Google rating and review volume: 5.0★ from 611 Google reviews, the most in Montville Center.
- 5.0★ from 611 Google reviews
- Hours
- Mon–Fri 8 AM–8 PM · Sat–Sun closed
- Address
- 16 Deer Trail, Montville, CT 06370
Best Insulation Contractors in Montville Center, CT (2026)
16 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Montville Center: Anchor Home Inspection, CR Score 64/100; 5.0★ from 611 Google reviews; open evenings.
- 3
Best for emergencies (open 24/7): Klaus Larsen Roofing, posts 24/7 hours; ranked #3 of 16.
- 3
Most-reviewed: Klaus Larsen Roofing, 521 Google reviews at 4.8★, the most of 16 ranked after Anchor Home Inspection; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
16 Montville Center insulation contractors are ranked here by CR Score, from ten published factors. 2 are open 24/7, 6 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.7★ across 16 rated businesses.
Most of this list also appears on the Insulation contractors in Norwich ranking. See Insulation contractors in Norwich
Top 10 insulation contractors in Montville Center at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Anchor Home Inspection | 64 | 5.0★ (611) | East Haddam, 2 mi away | Evenings | Overall |
| 2 | Best Home Performance | 57 | 4.6★ (43) | East Haddam, 12 mi away | Sat · Sun | — |
| 3 | Klaus Larsen Roofing | 57 | 4.8★ (521) | Hebron, 18 mi away | 24/7 | Emergencies, Most reviews |
| 4 | Nealon Insulation of Connecticut | 53 | 5.0★ (66) | Guilford, 23 mi away | — | — |
| 5 | C & R Insulation Inc | 53 | 4.6★ (18) | Hebron, 11 mi away | — | — |
| 6 | Anchor Insulation | 52 | 4.3★ (9) | Norwich, 7 mi away | — | — |
| 7 | Quality Insulation of Eastern CT | 52 | 3.7★ (26) | Norwich, 8 mi away | — | — |
| 8 | Nescor | 52 | 4.0★ (4) | Old Saybrook, 19 mi away | Sat · Sun · Evenings | — |
| 9 | A/Z Corporation | 51 | 4.5★ (11) | Groton, 16 mi away | — | — |
| 10 | General Mechanical Insulation LLC | 50 | 5.0★ (3) | East Haddam, 11 mi away | — | — |
The 16 best insulation contractors in Montville Center, 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.
Based in East Haddam, 12 mi away
57/100CR ScoreRanked #2 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
Based in Hebron, 18 mi away
57/100CR ScoreRanked #3 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 Guilford, 23 mi away
53/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 66 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 9 Robin Ln, Clinton, CT 06413
Based in Hebron, 11 mi away
53/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.6★ from 18 Google reviews, listed on Google as “Insulation contractor”.
- 4.6★ from 18 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 784 CT-32, North Franklin, CT 06254
Based in Norwich, 7 mi away
52/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.3★ from 9 Google reviews, listed on Google as “Insulation contractor”.
- 4.3★ from 9 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 43 Wisconsin Ave, Norwich, CT 06360
Based in Norwich, 8 mi away
52/100CR ScoreRanked #7 because of its Google rating and trade focus: 3.7★ from 26 Google reviews, listed on Google as “Insulation contractor”.
- 3.7★ from 26 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 505 Norwich Ave, Taftville, CT 06380
#8 Nescor
Based in Old Saybrook, 19 mi away
52/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
- 4.0★ from 4 Google reviews
- Hours
- Mon–Thu 8 AM–9 PM · Fri 8 AM–7 PM · Sat 8 AM–4 PM · Sun 9 AM–3 PM
- Address
- 1271 Boston Post Rd, Old Saybrook, CT 06475
Based in Groton, 16 mi away
51/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.5★ from 11 Google reviews, listed on Google as “Insulation contractor”.
- 4.5★ from 11 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 46 Norwich-Westerly Rd, North Stonington, CT 06359
Based in East Haddam, 11 mi away
50/100CR ScoreRanked #10 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
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 16 Nelkin Rd, Colchester, CT 06415
Based in East Haddam, 17 mi away
50/100CR ScoreRanked #11 because of its Google rating and review volume: 4.9★ from 53 Google reviews.
- 4.9★ from 53 Google reviews
- Hours
- Mon–Sat 8 AM–8 PM · Sun closed
Based in East Haddam, 12 mi away
49/100CR ScoreRanked #12 because of its Google rating and review volume: 4.7★ from 82 Google reviews.
- 4.7★ from 82 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 100 Linwood Ave Suite 200, Colchester, CT 06415
#13 RoofMasters
Based in Norwich, 12 mi away
49/100CR ScoreRanked #13 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
- 7 School St, Griswold, CT 06351
#14 Flag Services
Based in Bridgeport, 15 mi away
47/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “General contractor”.
- 5.0★ from 12 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 7 AM–1 PM · Sun closed
Based in Groton, 15 mi away
45/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.6★ from 16 Google reviews, listed on Google as “Construction company”.
- 4.6★ from 16 Google reviews
- Hours
- Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
- Address
- 46 Taugwonk Spur Rd #5, Stonington, CT 06378
Based in Groton, 20 mi away
43/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Kitchen remodeler”.
- 4.3★ from 6 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat–Sun closed
How much do insulation contractors cost in Montville Center?
National price ranges in USD, not adjusted for Montville Center. 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 Montville Center insulation contractors
We scored 16 Montville Center 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 Montville Center 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 Montville Center: frequently asked questions
Who is the best insulation contractor in Montville Center?
By CR Score, the highest-ranked insulation contractor in Montville Center, CT is Anchor Home Inspection with a CR Score of 64/100. It has 5.0★ from 611 Google reviews. It is open evenings. Best Home Performance (#2) and Klaus Larsen Roofing (#3) follow. We ranked 16 insulation contractors on ten factors, last updated October 22, 2026.
How many insulation contractors are there in Montville Center?
ContractorsRanked ranks 16 insulation contractors serving Montville Center, CT. Counts are as of October 2026.
Which insulation contractors in Montville Center are open 24/7?
2 ranked insulation contractors in Montville Center post 24/7 hours. The highest-ranked are Klaus Larsen Roofing (#3) and RoofMasters (#13). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Montville Center work on weekends?
6 of 16 ranked insulation contractors post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are Best Home Performance (#2), Klaus Larsen Roofing (#3) and Nescor (#8). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Montville Center?
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 Montville Center. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Montville Center insulation contractors have?
The median Google rating among 16 rated insulation contractors in Montville Center is 4.7★, with a median of 17 reviews. Anchor Home Inspection has the most, 611 reviews, and ranks #1. 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 Montville Center count in this ranking?
Yes, if they are within 25 mi of the Montville Center 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 Montville Center
- October 2026: CR Scores recalculated for 16 insulation contractors serving Montville Center.
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