65/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 5,220 Google reviews, the most in Vallejo.
- 4.9★ from 5,220 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 261 Arthur Rd, Martinez, CA 94553
Best HVAC Contractors in Vallejo, CA (2026)
361 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Vallejo: Service Champions, CR Score 65/100; 4.9★ from 5,220 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Hometown Heating and Air Conditioning, posts 24/7 hours; ranked #2 of 361.
- 4
Most-reviewed: Albert Nahman Plumbing, Heating, and Cooling, 3,311 Google reviews at 4.7★, the most of 361 ranked after Service Champions; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
361 Vallejo HVAC contractors are ranked here by CR Score, from ten published factors. 77 are open 24/7, 197 open Saturdays and 143 open Sundays, based on posted hours. The median Google rating is 4.9★ across 361 rated businesses.
Top 10 HVAC contractors in Vallejo at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Service Champions | 65 | 4.9★ (5,220) | Martinez, 11 mi away | 24/7 | Overall |
| 2 | Hometown Heating and Air Conditioning | 64 | 4.9★ (2,463) | Concord, 13 mi away | 24/7 | Emergencies |
| 3 | Environmental Heating and Air Solutions | 62 | 4.8★ (1,142) | Benicia, 7 mi away | Sat · Sun · Evenings | — |
| 4 | Albert Nahman Plumbing, Heating, and Cooling | 62 | 4.7★ (3,311) | Berkeley, 18 mi away | 24/7 | Most reviews |
| 5 | Freschi Service Experts | 62 | 4.8★ (1,046) | Concord, 14 mi away | 24/7 | — |
| 6 | Perfect Star Heating, Cooling, & Electrical | 62 | 4.9★ (1,255) | Concord, 18 mi away | 24/7 | — |
| 7 | Reliable Appliance, Heating and Air | 61 | 4.9★ (2,473) | Alamo, 17 mi away | Sat · Sun · Evenings | — |
| 8 | Chill Heating and Cooling | 61 | 5.0★ (481) | Walnut Creek, 16 mi away | 24/7 | — |
| 9 | Perfect Star Heating, Cooling, & Electrical | 61 | 4.9★ (2,331) | Antioch, 24 mi away | 24/7 | — |
| 10 | Advance AC Repair Service | 61 | 5.0★ (38) | Vallejo | 24/7 | — |
The 361 best HVAC contractors in Vallejo, 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, 13 mi away
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 2,463 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 2,463 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4075 Nelson Ave Suite D, Concord, CA 94520
Based in Benicia, 7 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 1,142 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 1,142 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 361 W Channel Rd, Benicia, CA 94510
Based in Berkeley, 18 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 3,311 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 3,311 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3333 Martin Luther King Jr Way, Berkeley, CA 94703
Based in Concord, 14 mi away
62/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 1,046 Google reviews, listed on Google as “HVAC contractor”.
- 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 Concord, 18 mi away
62/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 1,255 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,255 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4415 Cowell Rd, Concord, CA 94518
Based in Alamo, 17 mi away
61/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 2,473 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 2,473 Google reviews
- Hours
- Mon–Sun 6 AM–7 PM
Based in Walnut Creek, 16 mi away
61/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 481 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 481 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11 Cll Este, Walnut Creek, CA 94597
Based in Antioch, 24 mi away
61/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 2,331 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 2,331 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2595 W 10th St, Antioch, CA 94509
Based in Vallejo
61/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 38 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 332 Tennessee St, Vallejo, CA 94590
Based in Novato, 16 mi away
61/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 480 Google reviews, listed on Google as “Air conditioning contractor”.
- 4.9★ from 480 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 86 Hamilton Dr Suite A, Novato, CA 94949
Based in Concord, 13 mi away
61/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 324 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 324 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1717 Solano Way STE 7, Concord, CA 94520
#13 Ongaro & Sons
Based in San Anselmo, 19 mi away
61/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 762 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 762 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11 Ross Ave, San Anselmo, CA 94960
Based in Pittsburg, 21 mi away
60/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 851 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 851 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 620 Garcia Ave ste a, Pittsburg, CA 94565
Based in Napa, 13 mi away
60/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 912 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 912 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat–Sun 7 AM–5 PM
- Address
- 794 Braydon Pl, Napa, CA 94559
Based in Pleasant Hill, 16 mi away
60/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 370 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 370 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3301 Vincent Rd, Pleasant Hill, CA 94523
Based in Vacaville, 22 mi away
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 1,413 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,413 Google reviews
- Hours
- Mon–Fri 7 AM–9 PM · Sat–Sun 7:30 AM–8:30 PM
- Address
- 902 Davis St, Vacaville, CA 95687
#18 Ongaro & Sons
Based in Petaluma, 24 mi away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 538 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 538 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 719 Southpoint Blvd, Petaluma, CA 94954
Based in Novato, 15 mi away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 1,640 Google reviews, listed on Google as “Air conditioning contractor”.
- 4.8★ from 1,640 Google reviews
- Hours
- Mon–Fri 7 AM–7:30 PM · Sat 7:30 AM–4 PM · Sun closed
- Address
- 24 Digital Dr STE 1, Novato, CA 94949
Based in Danville, 25 mi away
59/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 602 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 602 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 801 Lancelot Ct, Danville, CA 94526
#21 Fuse Service
Based in Richmond, 14 mi away
59/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 94 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 94 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 173 Lakeshore Ct, Richmond, CA 94804
#22 Local Plumbing
Based in Sausalito, 21 mi away
59/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 211 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 211 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 323 Pine St Ste. F, Sausalito, CA 94965
Based in Concord, 16 mi away
58/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 109 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 109 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1900 Lynwood Dr Suite, Concord, CA 94519
Based in El Cerrito, 13 mi away
58/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 418 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 418 Google reviews
- Hours
- Mon–Thu 7:30 AM–9 PM · Fri 7:30 AM–7 PM · Sat 8 AM–4:30 PM · Sun closed
- Address
- 1537 S 56th St, El Cerrito, CA 94530
Based in Pittsburg, 22 mi away
58/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 151 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 151 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 928 Jewett Ave, Pittsburg, CA 94565
HVAC contractors ranked #26 to #50
#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 361 ranked HVAC contractors here; the rest are on their profiles.
Also serving Vallejo
20 more HVAC 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 |
|---|---|---|
| All Bay HVAC & Construction Co | 3.5★ (2) | 13 mi |
| AT Mechanical | In Vallejo | |
| Bay Air Systems | 5.0★ (2) | 14 mi |
| C & E HVAC | In Vallejo | |
| California HVAC | 4.9★ (59) | 23 mi |
| Creative Comfort Systems | 5.0★ (2) | In Vallejo |
| Eco Energy Bay Area | 4.6★ (11) | 17 mi |
| Five Or Free Electrical Heating & Air Solutions | 4.8★ (219) | 19 mi |
| FUSE Heating and Air Conditioning | 5.0★ (2) | 14 mi |
| Fuse HVAC & Appliance Repair | In Vallejo | |
| Fuse service | 5.0★ (29) | 24 mi |
| GCE Services repair/maintenance Solutions | 5.0★ (1) | In Vallejo |
| General Emergency System Solutions | In Vallejo | |
| GG Heating & Air Inc | In Vallejo | |
| Lee's Sheet Metal Heating & Cooling | 1.0★ (1) | In Vallejo |
| Mckinley HVAC Contractor Fairfield | 5.0★ (22) | 16 mi |
| Sears Heating and Air Conditioning | 3.0★ (2) | 8 mi |
| Severson Heating & Cooling | 4.9★ (46) | 19 mi |
| SOS PLUMBING, HEATING & AIR | 4.0★ (3) | 8 mi |
| Wright Brothers Plumbing & Gas | 4.8★ (137) | In Vallejo |
How much do HVAC contractors cost in Vallejo?
National price ranges in USD, not adjusted for Vallejo. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
How to check an HVAC contractor's license in California
In California, Contractors State License Board (CSLB) licenses C-20 Warm-Air Heating, Ventilating and Air-Conditioning contractor license.
Jobs of $1,000 or more in labor and materials (from January 1, 2025).
- Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
- Check that the status is active and the name matches the contract or truck.
- Ask for proof of insurance before work starts.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
When to hire an HVAC contractor in California
California's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.
How we ranked Vallejo HVAC contractors
We scored 361 Vallejo HVAC 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 Vallejo 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 |
HVAC contractors in Vallejo: frequently asked questions
Who is the best HVAC contractor in Vallejo?
By CR Score, the highest-ranked HVAC contractor in Vallejo, CA is Service Champions with a CR Score of 65/100. It has 4.9★ from 5,220 Google reviews. It is open 24/7. Hometown Heating and Air Conditioning (#2) and Environmental Heating and Air Solutions (#3) follow. We ranked 361 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Vallejo?
ContractorsRanked ranks 361 HVAC contractors serving Vallejo, CA. 4 of them are based in Vallejo; 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 HVAC contractors in Vallejo are open 24/7?
77 ranked HVAC contractors in Vallejo post 24/7 hours. The highest-ranked are Service Champions (#1), Hometown Heating and Air Conditioning (#2) and Albert Nahman Plumbing, Heating, and Cooling (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Vallejo work on weekends?
197 of 361 ranked HVAC contractors post Saturday hours and 143 post Sunday hours. The highest-ranked open Saturdays are Service Champions (#1), Hometown Heating and Air Conditioning (#2) and Environmental Heating and Air Solutions (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check an HVAC contractor's license in California?
In California, Contractors State License Board (CSLB) handles licensing and covers C-20 Warm-Air Heating, Ventilating and Air-Conditioning contractor license. Search the business or license number at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx. Jobs of $1,000 or more in labor and materials (from January 1, 2025).
How much does ac replacement cost in Vallejo?
AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Vallejo. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Vallejo HVAC contractors have?
The median Google rating among 361 rated HVAC contractors in Vallejo is 4.9★, with a median of 16 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.
When is the best time to hire an HVAC contractor in Vallejo?
California's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.
Update log for Vallejo
- October 2026: CR Scores recalculated for 361 hvac contractors serving Vallejo.
- October 2026: 4 duplicate listings merged.
More HVAC contractors and Vallejo pages
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- Tree services in Vallejo200 ranked
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