58/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 5,220 Google reviews, the most in Fairfield.
- 4.9★ from 5,220 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 261 Arthur Rd, Martinez, CA 94553
Best Insulation Contractors in Fairfield, CA (2026)
39 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Fairfield: Service Champions, CR Score 58/100; 4.9★ from 5,220 Google reviews; open 24/7.
- 4
Best for emergencies (open 24/7): Reactic Restoration, posts 24/7 hours; ranked #4 of 39.
- 10
Most-reviewed: Greiner Heating, Air and Electric, 1,451 Google reviews at 5.0★, the most of 39 ranked after Service Champions; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
39 Fairfield insulation contractors are ranked here by CR Score, from ten published factors. 7 are open 24/7, 19 open Saturdays and 16 open Sundays, based on posted hours. The median Google rating is 4.9★ across 39 rated businesses.
Top 10 insulation contractors in Fairfield at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Service Champions | 58 | 4.9★ (5,220) | Martinez, 17 mi away | 24/7 | Overall |
| 2 | EcoGuard Pest Management | 58 | 4.8★ (1,198) | Concord, 18 mi away | Sat | — |
| 3 | Superior Painting Company | 56 | 5.0★ (3) | Fairfield | Sat · Sun · Evenings | — |
| 4 | Reactic Restoration | 56 | 5.0★ (57) | Richmond, 24 mi away | 24/7 | Emergencies |
| 5 | Miller Attics | 56 | 5.0★ (46) | Walnut Creek, 24 mi away | 24/7 | — |
| 6 | EcoGuard Pest Management - Sacramento | 56 | 4.8★ (179) | Arden-Arcade, 22 mi away | Sat · Sun · Evenings | — |
| 7 | CEL Insulation | 55 | 5.0★ (22) | Fairfield | — | — |
| 8 | Freschi Service Experts | 55 | 4.8★ (1,046) | Concord, 16 mi away | 24/7 | — |
| 9 | Definition Insulation | 55 | 5.0★ (49) | Dixon, 21 mi away | Sat · Sun · Evenings | — |
| 10 | Greiner Heating, Air and Electric | 54 | 5.0★ (1,451) | Dixon, 20 mi away | Sat · Sun | Most reviews |
The 39 best insulation contractors in Fairfield, 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 Concord, 18 mi away
58/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 1,198 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 1,198 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 420 N Buchanan Cir STE 3, Pacheco, CA 94553
Based in Fairfield
56/100CR ScoreRanked #3 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–Sun 8 AM–8 PM
- Address
- 4919 Fairmont Ct, Fairfield, CA 94534
Based in Richmond, 24 mi away
56/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 57 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3049 Research Dr, Richmond, CA 94806
Based in Walnut Creek, 24 mi away
56/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 46 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 161 N Civic Dr, Walnut Creek, CA 94596
Based in Arden-Arcade, 22 mi away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 179 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 179 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
Based in Fairfield
55/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 22 Google reviews
- Hours
- Mon–Fri 6 AM–4 PM · Sat–Sun closed
Based in Concord, 16 mi away
55/100CR ScoreRanked #8 because of its Google rating and review volume: 4.8★ from 1,046 Google reviews.
- 4.8★ from 1,046 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2440 Sprig Ct, Concord, CA 94520
Based in Dixon, 21 mi away
55/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 49 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
Based in Dixon, 20 mi away
54/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 1,451 Google reviews.
- 5.0★ from 1,451 Google reviews
- Hours
- Mon–Fri 7:30 AM–6 PM · Sat 8 AM–4:30 PM · Sun 8 AM–4 PM
- Address
- 8235 Pedrick Rd, Dixon, CA 95620
#11 Attic Kings
Based in Vallejo, 14 mi away
54/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 26 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
- Address
- 1830 Springs Rd, Vallejo, CA 94591
#12 Mr Attic
Based in Martinez, 18 mi away
54/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 23 Google reviews, listed on Google as “Insulation contractor”.
- 4.7★ from 23 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat–Sun 7 AM–5 PM
- Address
- 3816 Alhambra Way, Martinez, CA 94553
Based in Vacaville, 9 mi away
53/100CR ScoreRanked #13 because of its Google rating and review volume: 4.9★ from 500 Google reviews.
- 4.9★ from 500 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat 8 AM–5 PM · Sun closed
- Address
- 518 Canvasback Ct, Vacaville, CA 95687
Based in Fairfield
53/100CR ScoreRanked #14 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
- 5.0★ from 10 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1652 W Texas St, Fairfield, CA 94533
Based in Fairfield
53/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Insulation contractor”.
- 4.4★ from 7 Google reviews
- Hours
- Mon–Thu 8 AM–4 PM · Fri 8:30 AM–12 PM · Sat–Sun closed
- Address
- 1122 Western St # 29, Fairfield, CA 94533
Based in Fairfield
53/100CR ScoreRanked #16 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 7 AM–4 PM · Sat–Sun closed
Based in Pittsburg, 19 mi away
52/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Insulation contractor”.
- 4.4★ from 7 Google reviews
- Hours
- Mon–Sun 6 AM–6 PM
- Address
- 2234 Old Creek Cir, Pittsburg, CA 94565
Based in Walnut Creek, 22 mi away
52/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 29 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
- Address
- 1255 Treat Blvd suite 300, Walnut Creek, CA 94597
Based in Pleasant Hill, 21 mi away
52/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 82 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 82 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 3381 Vincent Rd, Pleasant Hill, CA 94523
#20 Vezer's Roofing
Based in Fairfield
51/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Roofing contractor”.
- 4.6★ from 9 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
Based in Pleasant Hill, 21 mi away
51/100CR ScoreRanked #21 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–Sun 8 AM–7 PM
- Address
- 2300 Contra Costa Blvd ste 214, Pleasant Hill, CA 94523
Based in Fairfield
50/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 46 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 46 Google reviews
- Hours
- Mon–Fri 7:30 AM–5 PM · Sat–Sun closed
- Address
- 401 Railroad Ave, Suisun City, CA 94585
Based in Concord, 18 mi away
50/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Insulation contractor”.
- 4.7★ from 14 Google reviews
- Hours
- Mon–Fri 7:30 AM–4:30 PM · Sat–Sun closed
- Address
- 1717 Solano Way STE 39, Concord, CA 94520
#24 Best Attic
Based in Concord, 19 mi away
50/100CR ScoreRanked #24 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–Thu 8 AM–7 PM · Fri 8 AM–5 PM · Sat closed · Sun 8 AM–5 PM
- Address
- 1770 Adelaide St APTO 121, Concord, CA 94520
#25 OJ Insulation
Based in Fairfield
50/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Fri 7 AM–4 PM · Sat–Sun closed
- Address
- 4850 W Cordelia Rd suite a, Fairfield, CA 94534
All 39 insulation contractors
#1 to #25 are shown in full above. Here are #26 to #39, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Petrochem Insulation, Inc. | 49 | 3.3★ (4) | 19 mi |
| 27 | BPP | 49 | 4.6★ (10) | 18 mi |
| 28 | Roofmasters | 49 | 4.7★ (42) | In Fairfield |
| 29 | Reactic Restoration | 49 | 5.0★ (13) | 18 mi |
| 30 | A-1 Guaranteed Heating & Air, Inc | 48 | 4.9★ (236) | 16 mi |
| 31 | Certified Coatings of Calif | 48 | 4.7★ (3) | In Fairfield |
| 32 | Bell Brothers Plumbing Heating & Air - Concord | 47 | 4.0★ (4) | 16 mi |
| 33 | HSR Home Service | 47 | 4.8★ (210) | 18 mi |
| 34 | 4 Edges Construction | 47 | 4.8★ (40) | 11 mi |
| 35 | Equinox Roofing | 46 | 5.0★ (135) | 24 mi |
| 36 | Alliance Environmental Group | 45 | 2.5★ (10) | In Fairfield |
| 37 | Eco Performance Builders | 44 | 5.0★ (29) | 23 mi |
| 38 | Garick Air Conditioning Service | 42 | 4.4★ (34) | 24 mi |
| 39 | Performance Contracting Inc | 42 | 3.0★ (5) | 15 mi |
Also serving Fairfield
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 |
|---|---|---|
| Adams Field Services LLC. | 3.0★ (2) | 19 mi |
| AG Painting | 5.0★ (1) | 15 mi |
| Airseal Inc | 3.0★ (2) | 17 mi |
| All pro Insulation and junk solutions | 5.0★ (1) | 17 mi |
| Attic Solutions | 3.0★ (2) | 24 mi |
| Bayside Insulation-Construction Inc | 5.0★ (1) | 20 mi |
| Brick & Hammer | 5.0★ (2) | 23 mi |
| CELInsulation | 5.0★ (1) | 13 mi |
| Go green lawn & landscape | 4.9★ (45) | In Fairfield |
| Kevin's insulation Co Antioch | 5.0★ (1) | 23 mi |
| Kustom Disaster Restoration | 4.7★ (127) | In Fairfield |
| Mark Scott Construction, Inc. | 4.0★ (10) | In Fairfield |
| Marroquin's General Construction | 5.0★ (11) | In Fairfield |
| New Dimension Roofing and Solar | 5.0★ (2) | In Fairfield |
| PEM Insulation Company, Inc. | In Fairfield | |
| Petrochem Insulation Inc | 1.0★ (2) | 16 mi |
| Pre-Insualted Metal Technolgy | 3.0★ (2) | 12 mi |
| Protek Cargo | 5.0★ (2) | 12 mi |
| Quality Pro Guard | 1.0★ (2) | 17 mi |
| Vacaville attic cleaning and insulation | 11 mi |
How much do insulation contractors cost in Fairfield?
National price ranges in USD, not adjusted for Fairfield. 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 Fairfield insulation contractors
We scored 39 Fairfield 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 Fairfield 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 Fairfield: frequently asked questions
Who is the best insulation contractor in Fairfield?
By CR Score, the highest-ranked insulation contractor in Fairfield, CA is Service Champions with a CR Score of 58/100. It has 4.9★ from 5,220 Google reviews. It is open 24/7. EcoGuard Pest Management (#2) and Superior Painting Company (#3) follow. We ranked 39 insulation contractors on ten factors, last updated October 22, 2026.
How many insulation contractors are there in Fairfield?
ContractorsRanked ranks 39 insulation contractors serving Fairfield, CA. 11 of them are based in Fairfield; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which insulation contractors in Fairfield are open 24/7?
7 ranked insulation contractors in Fairfield post 24/7 hours. The highest-ranked are Service Champions (#1), Reactic Restoration (#4) and Miller Attics (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Fairfield work on weekends?
19 of 39 ranked insulation contractors post Saturday hours and 16 post Sunday hours. The highest-ranked open Saturdays are Service Champions (#1), EcoGuard Pest Management (#2) and Superior Painting Company (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Fairfield?
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 Fairfield. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Fairfield insulation contractors have?
The median Google rating among 39 rated insulation contractors in Fairfield is 4.9★, with a median of 26 reviews. Service Champions has the most, 5,220 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 Fairfield count in this ranking?
Yes, if they are within 25 mi of the Fairfield 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 Fairfield
- October 2026: CR Scores recalculated for 39 insulation contractors serving Fairfield.
More insulation contractors and Fairfield pages
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