716 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Riverside: MSP HEATING AND AIR CONDITIONING, CR Score 65/100; 5.0★ from 1,203 Google reviews; open 24/7.
Best for emergencies (open 24/7): All Pro Cooling, Heating, Plumbing & Electrical, posts 24/7 hours; ranked #2 of 716.
Most-reviewed: All Pro Cooling, Heating, Plumbing & Electrical, 7,425 Google reviews at 4.8★, the most of 716 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
716 Riverside HVAC contractors are ranked here by CR Score, from ten published factors. 253 are open 24/7, 556 open Saturdays and 364 open Sundays, based on posted hours. The median Google rating is 4.9★ across 716 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | MSP HEATING AND AIR CONDITIONING | 65 | 5.0★ (1,203) | Jurupa Valley, 4 mi away | 24/7 | Overall |
| 2 | All Pro Cooling, Heating, Plumbing & Electrical | 65 | 4.8★ (7,425) | Ontario, 12 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Inland Empire Comfort | 65 | 5.0★ (430) | Riverside | 24/7 | — |
| 4 | Ace Home Heating & Air Conditioning | 64 | 4.7★ (1,176) | Riverside | 24/7 | — |
| 5 | Sheldon's Heating, Air Conditioning & Plumbing, Inc. | 64 | 4.8★ (729) | Riverside | 24/7 | — |
| 6 | Eco Air Heating & Cooling | 64 | 5.0★ (305) | Riverside | 24/7 | — |
| 7 | Absolute Airflow Air Conditioning, Heating and Plumbing | 64 | 4.8★ (571) | Riverside | 24/7 | — |
| 8 | Year Round Heating & Air Conditioning | 64 | 5.0★ (270) | Riverside | 24/7 | — |
| 9 | RKM Heating and Air Conditioning | 64 | 4.9★ (1,073) | Riverside | 24/7 | — |
| 10 | All Pro Cooling, Heating, Plumbing & Electrical | 63 | 4.7★ (4,107) | Corona, 11 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: 5.0★ from 1,203 Google reviews, listed on Google as “HVAC contractor”.
Based in Ontario, 12 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 7,425 Google reviews, the most in Riverside.
Based in Riverside
Ranked #3 because of its Google rating and trade focus: 5.0★ from 430 Google reviews, listed on Google as “Furnace repair service”.
Based in Riverside
Ranked #4 because of its Google rating and trade focus: 4.7★ from 1,176 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside
Ranked #5 because of its Google rating and trade focus: 4.8★ from 729 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside
Ranked #6 because of its Google rating and trade focus: 5.0★ from 305 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside
Ranked #7 because of its Google rating and trade focus: 4.8★ from 571 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside
Ranked #8 because of its Google rating and trade focus: 5.0★ from 270 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside
Ranked #9 because of its Google rating and trade focus: 4.9★ from 1,073 Google reviews, listed on Google as “HVAC contractor”.
Based in Corona, 11 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 4,107 Google reviews, listed on Google as “HVAC contractor”.
Based in Redlands, 12 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 1,159 Google reviews, listed on Google as “HVAC contractor”.
Based in Corona, 11 mi away
Ranked #12 because of its Google rating and trade focus: 4.7★ from 3,741 Google reviews, listed on Google as “HVAC contractor”.
Based in Jurupa Valley, 6 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 401 Google reviews, listed on Google as “HVAC contractor”.
Based in Colton, 9 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 786 Google reviews, listed on Google as “HVAC contractor”.
Based in Redlands, 14 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 1,343 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside
Ranked #16 because of its Google rating and trade focus: 5.0★ from 122 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside
Ranked #17 because of its Google rating and trade focus: 4.9★ from 1,357 Google reviews, listed on Google as “HVAC contractor”.
Based in Corona, 13 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 1,213 Google reviews, listed on Google as “HVAC contractor”.
Based in Corona, 14 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 1,325 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside
Ranked #20 because of its Google rating and trade focus: 5.0★ from 88 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside
Ranked #21 because of its Google rating and trade focus: 5.0★ from 649 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside
Ranked #22 because of its Google rating and trade focus: 4.9★ from 286 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside
Ranked #23 because of its Google rating and trade focus: 5.0★ from 200 Google reviews, listed on Google as “HVAC contractor”.
Based in Fontana, 10 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 708 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside
Ranked #25 because of its Google rating and trade focus: 4.9★ from 92 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 716 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.
National price ranges in USD, not adjusted for Riverside. 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 716 Riverside 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 Riverside 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 |