940 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Oak Park: Conejo Services HVAC, Plumbing and Electrical, CR Score 65/100; 4.9★ from 2,368 Google reviews; open 24/7.
Best for emergencies (open 24/7): Dutton Plumbing, Cooling & Heating, posts 24/7 hours; ranked #2 of 940.
Most-reviewed: Brody Pennell Heating & Air Conditioning, 4,606 Google reviews at 4.9★, the most of 940 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
940 Oak Park HVAC contractors are ranked here by CR Score, from ten published factors. 396 are open 24/7, 730 open Saturdays and 600 open Sundays, based on posted hours. The median Google rating is 4.9★ across 940 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Conejo Services HVAC, Plumbing and Electrical | 65 | 4.9★ (2,368) | Camarillo, 10 mi away | 24/7 | Overall |
| 2 | Dutton Plumbing, Cooling & Heating | 65 | 4.8★ (2,247) | Camarillo, 7 mi away | 24/7 | Emergencies |
| 3 | NexGen HVAC & Plumbing | 63 | 4.8★ (1,498) | Camarillo, 11 mi away | 24/7 | — |
| 4 | Rooter Hero Plumbing & Air | 63 | 4.9★ (537) | Simi Valley, 7 mi away | 24/7 | — |
| 5 | Fleetwell Air Conditioning Heating and Plumbing | 63 | 4.9★ (225) | Westlake Village, 4 mi away | 24/7 | — |
| 6 | Conejo Services HVAC, Plumbing and Electrical | 62 | 4.9★ (207) | Calabasas, 4 mi away | 24/7 | — |
| 7 | AZ Air Conditioning and Heating | 62 | 4.8★ (3,170) | North Hills, 19 mi away | 24/7 | — |
| 8 | AirWorks Heating Air Plumbing | 62 | 4.9★ (923) | Camarillo, 14 mi away | 24/7 | — |
| 9 | Brody Pennell Heating & Air Conditioning | 62 | 4.9★ (4,606) | Los Angeles, 24 mi away | 24/7 | Most reviews |
| 10 | Monkey Wrench Plumbing, Heating, Air & Electric | 62 | 4.8★ (190) | Thousand Oaks, 4 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 2,368 Google reviews, listed on Google as “HVAC contractor”.
Based in Camarillo, 7 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 2,247 Google reviews, listed on Google as “HVAC contractor”.
Based in Camarillo, 11 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 1,498 Google reviews, listed on Google as “HVAC contractor”.
Based in Simi Valley, 7 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 537 Google reviews, listed on Google as “HVAC contractor”.
Based in Westlake Village, 4 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 225 Google reviews, listed on Google as “HVAC contractor”.
Based in Calabasas, 4 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 207 Google reviews, listed on Google as “HVAC contractor”.
Based in North Hills, 19 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 3,170 Google reviews, listed on Google as “HVAC contractor”.
Based in Camarillo, 14 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 923 Google reviews, listed on Google as “HVAC contractor”.
Based in Los Angeles, 24 mi away
Ranked #9 because of its Google rating and review volume: 4.9★ from 4,606 Google reviews, the most in Oak Park.
Based in Thousand Oaks, 4 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 190 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Simi Valley, 7 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 1,001 Google reviews, listed on Google as “HVAC contractor”.
Based in Calabasas, 13 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 488 Google reviews, listed on Google as “HVAC contractor”.
Based in Chatsworth, 11 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 1,050 Google reviews, listed on Google as “HVAC contractor”.
Based in Simi Valley, 7 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 121 Google reviews, listed on Google as “HVAC contractor”.
Based in Camarillo, 7 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 113 Google reviews, listed on Google as “HVAC contractor”.
Based in Woodland Hills, 10 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 657 Google reviews, listed on Google as “HVAC contractor”.
Based in Simi Valley, 6 mi away
Ranked #17 because of its Google rating and review volume: 4.7★ from 2,766 Google reviews.
Based in Beverly Hills, 7 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 164 Google reviews, listed on Google as “HVAC contractor”.
Based in Westlake Village, 3 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 63 Google reviews, listed on Google as “HVAC contractor”.
Based in Camarillo, 11 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 1,675 Google reviews, listed on Google as “HVAC contractor”.
Based in Thousand Oaks, 10 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 190 Google reviews, listed on Google as “HVAC contractor”.
Based in Oak Park
Ranked #22 because of its Google rating and trade focus: 4.9★ from 96 Google reviews, listed on Google as “HVAC contractor”.
Based in Moorpark, 9 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 1,791 Google reviews, listed on Google as “HVAC contractor”.
Based in Canoga Park, 10 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 1,421 Google reviews, listed on Google as “HVAC contractor”.
Based in Van Nuys, 17 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 1,583 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 940 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 |
|---|---|---|
| Adams Air Conditioning | 5.0★ (46) | 9 mi |
| Air King Heating & AC Repair Simi Valley | 4.9★ (41) | 7 mi |
| Andes Heating & Air Conditioning | 5.0★ (82) | 13 mi |
| Camarillo Plumbing Co | 4.6★ (201) | 13 mi |
| Casino Heating & Air Conditioning, Inc. | In Oak Park | |
| Coast Air & Heating Repair | 5.0★ (2) | 11 mi |
| Coast Heating & AC Repair Oak Park | 5.0★ (1) | In Oak Park |
| Get Your Heat Pump Now | 5.0★ (2) | 10 mi |
| Heating Cooling and Beyond, Inc. | In Oak Park | |
| Hi-Builders Group inc. | 5.0★ (2) | 4 mi |
| High Country Comfort | 5.0★ (22) | 5 mi |
| Marino AC and Heating Services | 4.9★ (37) | 7 mi |
| Me & Her heating and cooling | 5.0★ (2) | 9 mi |
| Ralos Comfort | 5.0★ (2) | 11 mi |
| sɑmе dɑy ɑс rеpɑir | 5.0★ (20) | 4 mi |
| Simi Valley Air Conditioning and Heating | 4.9★ (40) | 7 mi |
| SoCal Hydronics | 5.0★ (2) | 3 mi |
| Summit Air Conditioning & Heating | 3.5★ (2) | 10 mi |
| Temp-Tec | 5.0★ (2) | 11 mi |
| TOTO Air inc | 5.0★ (180) | 17 mi |
National price ranges in USD, not adjusted for Oak Park. 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 940 Oak Park 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 23, 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 Oak Park 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 |