290 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Rio Vista: Perfect Star Heating, Cooling, & Electrical, CR Score 64/100; 4.9★ from 2,331 Google reviews; open 24/7.
Best for emergencies (open 24/7): Service Champions, posts 24/7 hours; ranked #2 of 290.
Most-reviewed: Service Champions, 5,220 Google reviews at 4.9★, the most of 290 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
290 Rio Vista HVAC contractors are ranked here by CR Score, from ten published factors. 71 are open 24/7, 172 open Saturdays and 115 open Sundays, based on posted hours. The median Google rating is 4.9★ across 290 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Perfect Star Heating, Cooling, & Electrical | 64 | 4.9★ (2,331) | Antioch, 13 mi away | 24/7 | Overall |
| 2 | Service Champions | 62 | 4.9★ (5,220) | Martinez, 24 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Stewart Heating, Plumbing and Air Conditioning | 62 | 4.9★ (851) | Pittsburg, 15 mi away | 24/7 | — |
| 4 | Elite Comfort Systems | 62 | 5.0★ (709) | Brentwood, 17 mi away | 24/7 | — |
| 5 | Hometown Heating and Air Conditioning | 62 | 4.9★ (2,463) | Concord, 22 mi away | 24/7 | — |
| 6 | Perfect Star Heating, Cooling, & Electrical | 61 | 4.9★ (1,255) | Concord, 22 mi away | 24/7 | — |
| 7 | Airmech Heating and Air Conditioning | 60 | 5.0★ (848) | Elk Grove, 24 mi away | 24/7 | — |
| 8 | Reliable Appliance, Heating and Air | 60 | 4.9★ (2,473) | Alamo, 21 mi away | Sat · Sun · Evenings | — |
| 9 | 10 Summers Heating & Cooling | 60 | 5.0★ (45) | Lathrop, 5 mi away | 24/7 | — |
| 10 | Freschi Service Experts | 60 | 4.8★ (1,046) | Concord, 21 mi away | 24/7 | — |
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: 4.9★ from 2,331 Google reviews, listed on Google as “HVAC contractor”.
Based in Martinez, 24 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 5,220 Google reviews, the most in Rio Vista.
Based in Pittsburg, 15 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 851 Google reviews, listed on Google as “HVAC contractor”.
Based in Brentwood, 17 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 709 Google reviews, listed on Google as “HVAC contractor”.
Based in Concord, 22 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 2,463 Google reviews, listed on Google as “HVAC contractor”.
Based in Concord, 22 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 1,255 Google reviews, listed on Google as “HVAC contractor”.
Based in Elk Grove, 24 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 848 Google reviews, listed on Google as “Furnace repair service”.
Based in Alamo, 21 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 2,473 Google reviews, listed on Google as “HVAC contractor”.
Based in Lathrop, 5 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “HVAC contractor”.
Based in Concord, 21 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 1,046 Google reviews, listed on Google as “HVAC contractor”.
Based in Dixon, 22 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 1,451 Google reviews, listed on Google as “HVAC contractor”.
Based in Sacramento, 19 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 267 Google reviews, listed on Google as “HVAC contractor”.
Based in Vacaville, 20 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 1,413 Google reviews, listed on Google as “HVAC contractor”.
Based in Pittsburg, 16 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 151 Google reviews, listed on Google as “HVAC contractor”.
Based in Antioch, 13 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 292 Google reviews, listed on Google as “HVAC contractor”.
Based in Vacaville, 22 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 1,388 Google reviews, listed on Google as “HVAC contractor”.
Based in Elk Grove, 24 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 429 Google reviews, listed on Google as “Furnace repair service”.
Based in Lodi, 24 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 454 Google reviews, listed on Google as “Air conditioning repair service”.
Based in Lathrop, 24 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 284 Google reviews, listed on Google as “HVAC contractor”.
Based in Concord, 23 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 324 Google reviews, listed on Google as “HVAC contractor”.
Based in Elk Grove, 24 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 456 Google reviews, listed on Google as “HVAC contractor”.
Based in Antioch, 15 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 67 Google reviews, listed on Google as “HVAC contractor”.
Based in Elk Grove, 24 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 2,234 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Vacaville, 22 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 463 Google reviews, listed on Google as “HVAC contractor”.
Based in Benicia, 25 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 1,142 Google reviews, listed on Google as “HVAC 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 290 ranked HVAC contractors here; the rest are on their profiles.
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 |
|---|---|---|
| AAA AC And Heating | 5.0★ (20) | 22 mi |
| ACCO Engineered Systems | 5.0★ (2) | 22 mi |
| Air Conditioning Sacramento | 5.0★ (2) | 20 mi |
| All Bay HVAC & Construction Co | 3.5★ (2) | 23 mi |
| Arctic HVAC & Construction | 4.9★ (53) | 25 mi |
| ASM MECHANICAL SERVICES INC | 3.9★ (7) | 15 mi |
| Bay HVAC Alliance | 5.0★ (2) | 21 mi |
| Blue Mountain Construction Services | 3.9★ (120) | 22 mi |
| Celsius Heating and Cooling LLC | 5.0★ (2) | 21 mi |
| Climate Concepts | 5.0★ (2) | 18 mi |
| Climate Source HVAC/R LLC | 4.9★ (29) | 22 mi |
| Diablo Boiler | 4.5★ (2) | 12 mi |
| Diablo Valley Comfort Systems | 5.0★ (2) | 18 mi |
| Double R Heating & Air Conditioning | 4.9★ (174) | 24 mi |
| EHC HEATING AND COOLING | 4.7★ (55) | 23 mi |
| Green Air Heating and Air Conditioning, Inc. | 4.6★ (69) | 21 mi |
| Mckinley HVAC Contractor Fairfield | 5.0★ (22) | 19 mi |
| Moreno Plumbing | 4.1★ (12) | In Rio Vista |
| Rescue Electric | 3.4★ (5) | In Rio Vista |
| The Appliance Repairman Comp. | 4.9★ (37) | 22 mi |
National price ranges in USD, not adjusted for Rio Vista. 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 |
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).
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
California's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.
We scored 290 Rio Vista 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 Rio Vista 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 |