59 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Danbury: Healthy Home Energy & Consulting, Inc., CR Score 58/100; 5.0★ from 291 Google reviews.
Best for emergencies (open 24/7): County Comfort Services, posts 24/7 hours; ranked #11 of 59.
Most-reviewed: Power Home Remodeling, 3,018 Google reviews at 4.6★, the most of 59 ranked; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
59 Danbury insulation contractors are ranked here by CR Score, from ten published factors. 5 are open 24/7, 38 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 4.8★ across 59 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Healthy Home Energy & Consulting, Inc. | 58 | 5.0★ (291) | Mahopac, 9 mi away | — | Overall |
| 2 | Adaptive Insulation | 57 | 5.0★ (262) | Mahopac, 18 mi away | Sat | — |
| 3 | Discount Insulation Company | 56 | 5.0★ (81) | Greenwich, 20 mi away | Sat · Sun · Evenings | — |
| 4 | Supreme | 56 | 5.0★ (25) | Bethel, 5 mi away | Sat · Evenings | — |
| 5 | Foam A Brothers | 56 | 5.0★ (13) | Darien, 8 mi away | Sat · Sun · Evenings | — |
| 6 | USA Insulation of Connecticut | 55 | 4.7★ (58) | Bethel, 9 mi away | Sat | — |
| 7 | Sono Spray Foam Insulation | 54 | 4.9★ (33) | Norwalk, 19 mi away | Sat · Sun · Evenings | — |
| 8 | MAGIO'S FULL INSULATION | 54 | 4.9★ (15) | Darien, 8 mi away | Sat | — |
| 9 | The Home Energy Pros LLC | 54 | 5.0★ (41) | Bethel, 8 mi away | — | — |
| 10 | Ace Handyman Services Northwestern CT | 54 | 4.9★ (119) | Woodbury, 16 mi away | — | — |
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.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 291 Google reviews, listed on Google as “Insulation contractor”.
Based in Mahopac, 18 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 262 Google reviews, listed on Google as “Insulation contractor”.
Based in Greenwich, 20 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Insulation contractor”.
Based in Bethel, 5 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based in Darien, 8 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based in Bethel, 9 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 58 Google reviews, listed on Google as “Insulation contractor”.
Based in Norwalk, 19 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 33 Google reviews, listed on Google as “Insulation contractor”.
Based in Darien, 8 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based in Bethel, 8 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Insulation contractor”.
Based in Woodbury, 16 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 119 Google reviews, listed on Google as “Insulation contractor”.
Based in Mahopac, 16 mi away
Ranked #11 because of its Google rating and review volume: 4.7★ from 420 Google reviews.
Based in Peekskill, 24 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based in Shelton, 19 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 113 Google reviews, listed on Google as “Insulation contractor”.
Based in Bridgeport, 18 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based in Trumbull, 16 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based in Bethel, 6 mi away
Ranked #16 because of its Google rating and trade focus: 4.3★ from 26 Google reviews, listed on Google as “Insulation contractor”.
Based in Milford, 23 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Insulation contractor”.
Based in Trumbull, 19 mi away
Ranked #18 because of its Google rating and review volume: 4.6★ from 3,018 Google reviews, the most in Danbury.
Based in Greenburgh, 9 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based in Bethel, 24 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Insulation contractor”.
Based in Stratford, 22 mi away
Ranked #21 because of its Google rating and review volume: 4.9★ from 1,222 Google reviews.
Based in Bridgeport, 19 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based in Norwalk, 21 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Insulation contractor”.
Based in Stamford, 19 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based in Bethel, 14 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 30 Google reviews, listed on Google as “Insulation contractor”.
#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 59 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 - BSC Painting Services & Dryer Vent Cleaning Services Co, CT | 5.0★ (2) | In Danbury |
| Danbury Painting | 4.8★ (187) | In Danbury |
| Dave'S Home Crew | In Danbury | |
| Drywall By Premier | 5.0★ (24) | In Danbury |
| Duarte Home Improvement LLC | 5.0★ (50) | In Danbury |
| Elite Home Exteriors LLC Roofing | 4.8★ (36) | In Danbury |
| G&G Contractor LLC | 5.0★ (2) | In Danbury |
| Green Comfort Solutions | In Danbury | |
| Home Energy Experts Spray Foam Insulation | 5.0★ (2) | 19 mi |
| K&S Dryer Vent Cleaning Services Danbury, CT | 4.6★ (13) | In Danbury |
| Kim Industries Inc. | 5.0★ (1) | In Danbury |
| Liquid Green Spray Foam Insulation | 1.0★ (1) | In Danbury |
| Liquid Green Spray Foam Insulation | 5.0★ (2) | 9 mi |
| Loja Painting | 5.0★ (1) | In Danbury |
| Mayne Construction LLC | 5.0★ (20) | In Danbury |
| Nova 1 integrated Energy Services | 1.8★ (6) | In Danbury |
| Paul Davis Restoration of Fairfield and Westchester Counties | 4.8★ (151) | In Danbury |
| Somers Siding Inc. | 5.0★ (1) | In Danbury |
| The Home Insulators of Somers | 5.0★ (2) | 14 mi |
| US Insulation Corp | In Danbury |
National price ranges in USD, not adjusted for Danbury. 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 59 Danbury 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 Danbury 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 |