45 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Dumbarton: Michael & Son Services, CR Score 88/100; 4.8★ from 9,334 Google reviews; open 24/7.
Best for emergencies (open 24/7): Critter Authority, posts 24/7 hours; ranked #2 of 45.
Most-reviewed: Eveready Service Experts, 3,049 Google reviews at 4.8★, the most of 45 ranked after Michael & Son Services; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
45 Dumbarton insulation contractors are ranked here by CR Score, from 8 published factors. 5 are open 24/7, 16 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.9★ across 45 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Michael & Son Services | 88 | 4.8★ (9,334) | Richmond, 3 mi away | 24/7 | Overall |
| 2 | Critter Authority | 87 | 4.8★ (51) | Richmond, 2 mi away | 24/7 | Emergencies |
| 3 | Eveready Service Experts | 87 | 4.8★ (3,049) | Dumbarton | 24/7 | Most reviews |
| 4 | KOHMAR Air Duct Cleaning LLC. | 86 | 4.9★ (804) | Richmond, 2 mi away | 24/7 | — |
| 5 | All American Pest Control | 82 | 4.3★ (38) | Richmond, 1 mi away | 24/7 | — |
| 6 | Home Paramount Pest Control | 80 | 4.5★ (108) | Richmond, 1 mi away | Sat | — |
| 7 | Home Performance, Inc | 80 | 5.0★ (355) | Richmond, 5 mi away | — | — |
| 8 | Quantum | 80 | 4.9★ (29) | Richmond, 5 mi away | Sat · Evenings | — |
| 9 | Virginia Spray Foam Insulation | 79 | 5.0★ (23) | Laurel, 7 mi away | Sat · Evenings | — |
| 10 | Kefficient | 78 | 5.0★ (514) | Brandermill, 14 mi away | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.8★ from 9,334 Google reviews, the most Google reviews on this list (9,334).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Richmond, 2 mi away
Ranked #2 because of its Google rating and availability: 4.8★ from 51 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Dumbarton
Ranked #3 because of its Google rating and availability: 4.8★ from 3,049 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Richmond, 2 mi away
Ranked #4 because of its Google rating and availability: 4.9★ from 804 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Richmond, 1 mi away
Ranked #5 because of its Google rating and trade focus: 4.3★ from 38 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Richmond, 1 mi away
Ranked #6 because of its Google rating and trade focus: 4.5★ from 108 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Richmond, 5 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 355 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Richmond, 5 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 29 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Laurel, 7 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brandermill, 14 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 514 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Glen Allen, 5 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Richmond, 7 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Richmond, 5 mi away
Ranked #13 because of its Google rating and trade focus: 3.8★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Chester, 17 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brandermill, 9 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 145 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bon Air, 14 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Richmond, 6 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brandermill, 11 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Richmond, 7 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 27 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Richmond, 2 mi away
Ranked #20 because of its Google rating and review volume: 4.9★ from 815 Google reviews, 815 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Glen Allen, 7 mi away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 26 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Glen Allen, 3 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ashland, 7 mi away
Ranked #23 because of its Google rating and trade focus: 4.6★ from 30 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Richmond, 4 mi away
Ranked #24 because of its Google rating and availability: 5.0★ from 9 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Richmond, 9 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #45, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Tredegar Construction, LLC | 72 | 4.9★ (146) | 2 mi |
| 27 | Energy Management Insulators | 72 | 5.0★ (3) | 7 mi |
| 28 | Efficiency by Design | 72 | 5.0★ (3) | 8 mi |
| 29 | Old Dominion Insulation, Inc. | 72 | 4.4★ (32) | 13 mi |
| 30 | Pleasant Pest Control & Sanitation Services | 72 | 5.0★ (47) | In Dumbarton |
| 31 | C. E. Thurston & Sons, Inc. | 72 | 5.0★ (5) | 10 mi |
| 32 | Commonwealth | 71 | 3.7★ (3) | 3 mi |
| 33 | Stable Foundations | 71 | 4.9★ (232) | 9 mi |
| 34 | Vance Insulation | 71 | 4.7★ (52) | 25 mi |
| 35 | Tiger C Construction, LLC | 71 | 4.9★ (124) | 20 mi |
| 36 | Quality Building Products | 70 | 3.7★ (18) | 10 mi |
| 37 | Insulation Specialties Inc | 70 | 2.3★ (9) | 24 mi |
| 38 | Builders' Insulation | 70 | 3.2★ (6) | 8 mi |
| 39 | Retro Insulation | 70 | 4.1★ (7) | 14 mi |
| 40 | Kings Of Insulation Inc. | 69 | 5.0★ (14) | 24 mi |
| 41 | New Life Painting RVA | 69 | 5.0★ (51) | 10 mi |
| 42 | Duct Cleaning Solutions | 67 | 4.9★ (17) | 8 mi |
| 43 | RWC II Insulation by Cohen's | 66 | 5.0★ (3) | 13 mi |
| 44 | Relevant Remodeling LLC | 65 | 5.0★ (22) | 13 mi |
| 45 | Bug Busters Pest Control Services | 64 | 4.5★ (305) | 25 mi |
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 |
|---|---|---|
| Atlantic Systems | 5.0★ (2) | 2 mi |
| Berkshire Dynamics | 4 mi | |
| Builders Insulation | 6 mi | |
| Cimarron Unitas | 6 mi | |
| Energy Conservation Inc | 5.0★ (1) | 2 mi |
| Energy Max Solutions | In Dumbarton | |
| Flores Brothers LLC | 5.0★ (1) | 14 mi |
| Insulation - Insulation | 5.0★ (1) | 9 mi |
| Jeff Wright Heating & AC Services | 4.1★ (8) | In Dumbarton |
| LA Enterprises | 5.0★ (2) | 8 mi |
| Lakeside Co | 5.0★ (1) | 1 mi |
| MultiService Industrial | 3.0★ (2) | 7 mi |
| OAJ Interiors | In Dumbarton | |
| PHAREZ CONSTRUCTION LLC | 5.0★ (2) | In Dumbarton |
| Richmond Brothers Spray Foam Insulation | 6 mi | |
| RVA PRO SERVICES LLC | 4.8★ (4) | In Dumbarton |
| Stable Foundations | 3 mi | |
| Sunshine Insulation | 5.0★ (1) | 8 mi |
| Triple Express Services, Inc | 1.0★ (2) | 24 mi |
| Unitherm Inc | 5.0★ (1) | 8 mi |
National price ranges in USD, not adjusted for Dumbarton. 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 45 Dumbarton 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 Dumbarton 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 |