35 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Dixon: Definition Insulation, CR Score 87/100; 5.0★ from 49 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Reactic Restoration, posts 24/7 hours; ranked #4 of 35.
Most-reviewed: Greiner Heating, Air and Electric, 1,451 Google reviews at 5.0★, the most of 35 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
35 Dixon insulation contractors are ranked here by CR Score, from 8 published factors. 7 are open 24/7, 19 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 4.9★ across 35 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Definition Insulation | 87 | 5.0★ (49) | Dixon | Sat · Sun · Evenings | Overall |
| 2 | Greiner Heating, Air and Electric | 87 | 5.0★ (1,451) | Dixon | Sat · Sun | Most reviews |
| 3 | EcoGuard Pest Management - Sacramento | 86 | 4.8★ (179) | Arden-Arcade, 9 mi away | Sat · Sun · Evenings | — |
| 4 | Reactic Restoration | 83 | 4.9★ (24) | Sacramento, 23 mi away | 24/7 | Emergencies |
| 5 | Service Champions | 82 | 4.9★ (275) | West Sacramento, 18 mi away | 24/7 | — |
| 6 | MIB Heating & Air, Inc. | 80 | 5.0★ (58) | Woodland, 18 mi away | 24/7 | — |
| 7 | HomeShield Pest Control | 79 | 4.9★ (500) | Vacaville, 10 mi away | Sat · Evenings | — |
| 8 | NorCal Roofing & Construction | 77 | 4.7★ (108) | Sacramento, 25 mi away | 24/7 | — |
| 9 | ALCAL Specialty Contracting Sacramento - Home Service Division | 76 | 4.5★ (4) | Sacramento, 22 mi away | Sat · Sun · Evenings | — |
| 10 | Efficiency Insulation Elk Grove | 76 | 4.9★ (30) | Elk Grove, 24 mi away | Sat · Evenings | — |
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 trade focus: 5.0★ from 49 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Dixon
Ranked #2 because of its Google rating and review volume: 5.0★ from 1,451 Google reviews, the most Google reviews on this list (1,451).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Arden-Arcade, 9 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 179 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sacramento, 23 mi away
Ranked #4 because of its Google rating and availability: 4.9★ from 24 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in West Sacramento, 18 mi away
Ranked #5 because of its Google rating and availability: 4.9★ from 275 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Woodland, 18 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 58 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Vacaville, 10 mi away
Ranked #7 because of its Google rating and review volume: 4.9★ from 500 Google reviews, 500 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sacramento, 25 mi away
Ranked #8 because of its Google rating and availability: 4.7★ from 108 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sacramento, 22 mi away
Ranked #9 because of its Google rating and trade focus: 4.5★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Elk Grove, 24 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fairfield, 19 mi away
Ranked #11 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fairfield, 25 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sacramento, 24 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Sacramento, 20 mi away
Ranked #14 because of its Google rating and availability: 4.7★ from 7 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sacramento, 21 mi away
Ranked #15 because of its Google rating and review volume: 4.8★ from 465 Google reviews, 465 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Elk Grove, 19 mi away
Ranked #16 because of its Google rating and availability: 5.0★ from 22 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sacramento, 20 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fairfield, 18 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fairfield, 15 mi away
Ranked #19 because of its Google rating and availability: 4.6★ from 9 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sacramento, 23 mi away
Ranked #20 because of its Google rating and availability: 5.0★ from 11 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sacramento, 21 mi away
Ranked #21 because of its Google rating and trade focus: 3.9★ from 39 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Vacaville, 9 mi away
Ranked #22 because of its Google rating and review volume: 4.8★ from 40 Google reviews, 40 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fairfield, 16 mi away
Ranked #23 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sacramento, 23 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fairfield, 17 mi away
Ranked #25 because of its Google rating and review volume: 4.9★ from 46 Google reviews, 46 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #35, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Garick Air Conditioning Service | 68 | 4.4★ (34) | 7 mi |
| 27 | Alonsos Roofing | 68 | 5.0★ (3) | 16 mi |
| 28 | Empire Insulation Inc | 67 | 3.7★ (9) | 23 mi |
| 29 | Kaza Nova Home Remodeling Inc | 67 | 5.0★ (5) | 22 mi |
| 30 | Roofmasters | 66 | 4.7★ (42) | 19 mi |
| 31 | Certified Coatings of Calif | 66 | 4.7★ (3) | 20 mi |
| 32 | R & R Enterprises | 66 | 4.1★ (15) | 11 mi |
| 33 | OJ Insulation | 66 | 5.0★ (6) | 24 mi |
| 34 | Anderson Painting | 62 | 3.9★ (7) | 23 mi |
| 35 | Alliance Environmental Group | 60 | 2.5★ (10) | 24 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 |
|---|---|---|
| ADL Professional Insulation | 16 mi | |
| All pro Insulation and junk solutions | 5.0★ (1) | 23 mi |
| Coast Building Products | 23 mi | |
| Dhp Insulation | 5.0★ (1) | 24 mi |
| Drywall SRL | 22 mi | |
| Energy Solutions Spray Foam Insulation | 18 mi | |
| Energy Star Insulation, Inc. | 21 mi | |
| Future Roofing & Remodeling | 5.0★ (2) | 17 mi |
| Global Commercial Spray Foam Roofing | 5.0★ (1) | 20 mi |
| Guardian Home Insulation | 5.0★ (1) | 21 mi |
| PEM Insulation Company, Inc. | 24 mi | |
| Plastering Systems | 5.0★ (1) | 21 mi |
| Pre-Insualted Metal Technolgy | 3.0★ (2) | 8 mi |
| Sacramento Insulation | 5.0★ (1) | 22 mi |
| Spectrum Insulation LLC | 21 mi | |
| Stellar Insulation | 21 mi | |
| Vacaville attic cleaning and insulation | 7 mi | |
| Victor Insulation | 24 mi | |
| Western Insulation | 4.5★ (2) | 23 mi |
| Whole House Insulation | 1.0★ (1) | 24 mi |
National price ranges in USD, not adjusted for Dixon. 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 35 Dixon 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 Dixon 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 |