846 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Rancho Cucamonga: All Pro Cooling, Heating, Plumbing & Electrical, CR Score 67/100; 4.8★ from 7,425 Google reviews; open 24/7.
Best for emergencies (open 24/7): RC Air Heating & Air Conditioning Service, posts 24/7 hours; ranked #2 of 846.
Most-reviewed: Service Champions Plumbing, Heating & AC, 6,978 Google reviews at 4.9★, the most of 846 ranked after All Pro Cooling, Heating, Plumbing & Electrical; ranked #42.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
846 Rancho Cucamonga HVAC contractors are ranked here by CR Score, from ten published factors. 298 are open 24/7, 649 open Saturdays and 425 open Sundays, based on posted hours. The median Google rating is 4.9★ across 846 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | All Pro Cooling, Heating, Plumbing & Electrical | 67 | 4.8★ (7,425) | Ontario, 4 mi away | 24/7 | Overall |
| 2 | RC Air Heating & Air Conditioning Service | 65 | 4.9★ (705) | Rancho Cucamonga | 24/7 | Emergencies |
| 3 | Steve's Five Star Service | 64 | 4.9★ (1,292) | Upland, 6 mi away | 24/7 | — |
| 4 | Klaus & Sons Plumbing, Heating & Air Conditioning | 64 | 4.9★ (977) | Montclair, 5 mi away | 24/7 | — |
| 5 | AC Plus Heating & Air | 64 | 5.0★ (201) | Rancho Cucamonga | 24/7 | — |
| 6 | Metz Air Control | 63 | 4.9★ (969) | Chino, 9 mi away | 24/7 | — |
| 7 | MSP HEATING AND AIR CONDITIONING | 63 | 5.0★ (1,203) | Jurupa Valley, 13 mi away | 24/7 | — |
| 8 | Rooter Hero Plumbing & Air | 63 | 4.8★ (802) | Montclair, 6 mi away | 24/7 | — |
| 9 | NexGen HVAC & Plumbing | 63 | 4.8★ (708) | Fontana, 6 mi away | 24/7 | — |
| 10 | Icee Hot Air Conditioning and Heating | 62 | 5.0★ (101) | Rancho Cucamonga | 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 in Rancho Cucamonga
Based in Ontario, 4 mi away
Ranked #1 because of its Google rating and review volume: 4.8★ from 7,425 Google reviews, the most in Rancho Cucamonga.
Based in Rancho Cucamonga
Ranked #2 because of its Google rating and trade focus: 4.9★ from 705 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Upland, 6 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 1,292 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Montclair, 5 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 977 Google reviews, listed on Google as “HVAC contractor”.
Based in Rancho Cucamonga
Ranked #5 because of its Google rating and trade focus: 5.0★ from 201 Google reviews, listed on Google as “HVAC contractor”.
Based in Chino, 9 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 969 Google reviews, listed on Google as “Air conditioning repair service”.
Based in Jurupa Valley, 13 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 1,203 Google reviews, listed on Google as “HVAC contractor”.
Based in Montclair, 6 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 802 Google reviews, listed on Google as “HVAC contractor”.
Based in Fontana, 6 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 708 Google reviews, listed on Google as “HVAC contractor”.
Based in Rancho Cucamonga
Ranked #10 because of its Google rating and trade focus: 5.0★ from 101 Google reviews, listed on Google as “HVAC contractor”.
Based in Jurupa Valley, 9 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 401 Google reviews, listed on Google as “HVAC contractor”.
Based in Corona, 16 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 1,325 Google reviews, listed on Google as “HVAC contractor”.
Based in Corona, 16 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 1,213 Google reviews, listed on Google as “HVAC contractor”.
Based in Rancho Cucamonga
Ranked #14 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “HVAC contractor”.
Based in Colton, 13 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 786 Google reviews, listed on Google as “HVAC contractor”.
Based in Corona, 18 mi away
Ranked #16 because of its Google rating and trade focus: 4.7★ from 4,107 Google reviews, listed on Google as “HVAC contractor”.
Based in Upland, 5 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 143 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Ontario, 5 mi away
Ranked #18 because of its Google rating and trade focus: 4.6★ from 507 Google reviews, listed on Google as “HVAC contractor”.
Based in Rancho Cucamonga
Ranked #19 because of its Google rating and trade focus: 4.9★ from 69 Google reviews, listed on Google as “HVAC contractor”.
Based in Covina, 16 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 1,506 Google reviews, listed on Google as “HVAC contractor”.
Based in Redlands, 20 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 1,159 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverside, 14 mi away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 1,176 Google reviews, listed on Google as “HVAC contractor”.
Based in Corona, 20 mi away
Ranked #23 because of its Google rating and trade focus: 4.7★ from 3,741 Google reviews, listed on Google as “HVAC contractor”.
Based in Anaheim, 22 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 2,813 Google reviews, listed on Google as “HVAC contractor”.
Based in Redlands, 23 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 1,343 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 846 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 |
|---|---|---|
| A.C. DUDE | 5.0★ (2) | 5 mi |
| Air Conditioning | In Rancho Cucamonga | |
| Bayside Heating & Air Conditioning | In Rancho Cucamonga | |
| Canyon City Air | 5.0★ (122) | 13 mi |
| Comfort Mechanical Enterprises, Inc. | In Rancho Cucamonga | |
| Complete Thermal Control | In Rancho Cucamonga | |
| DND HOME SERVICES LLC | In Rancho Cucamonga | |
| Essential Plumbing Services LLC - Best Plumber in Redlands, CA | 5.0★ (100) | 11 mi |
| GOMEZ Air Conditioning, LLC | 1.0★ (2) | In Rancho Cucamonga |
| Just Everything Heating & Air Inc | 5.0★ (1) | In Rancho Cucamonga |
| N & S Heating, Air Conditioning & Electrical | 4.5★ (2) | 3 mi |
| ProAir | 4.6★ (5) | In Rancho Cucamonga |
| RE HVAC Services | In Rancho Cucamonga | |
| RKM Heating and Air Conditioning | 4.9★ (1,073) | 21 mi |
| Smith HVAC 365 | 5.0★ (1) | In Rancho Cucamonga |
| Synergy Mechanical Inc | 1.0★ (2) | In Rancho Cucamonga |
| The Original Plumbing Company | 4.3★ (29) | In Rancho Cucamonga |
| VELOCITY HVAC INC | In Rancho Cucamonga | |
| VentilPro Rancho Cucamonga HVAC | In Rancho Cucamonga | |
| Veteran Air | 4.9★ (1,091) | 24 mi |
National price ranges in USD, not adjusted for Rancho Cucamonga. 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 846 Rancho Cucamonga 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 Rancho Cucamonga 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 |