Top 50 of 1,199 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank
25 of the 50 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.
#1 for emergency heating and cooling in Chatsworth: AZ Air Conditioning and Heating, open 24/7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
| Rank | Business | CR Score | Google rating | Based in | Hours |
|---|---|---|---|---|---|
| 1 | AZ Air Conditioning and Heating | 66 | 4.8★ (3,170) | North Hills, 8 mi away | 24/7 |
| 2 | Kahn Air Conditioning | 65 | 4.9★ (1,583) | Van Nuys, 9 mi away | 24/7 |
| 3 | Brody Pennell Heating & Air Conditioning | 63 | 4.9★ (4,606) | Los Angeles, 20 mi away | 24/7 |
| 4 | Fleetwell Air Conditioning, Heating, and Plumbing | 63 | 4.9★ (488) | Calabasas, 7 mi away | 24/7 |
| 5 | Dutton Plumbing, Cooling & Heating | 63 | 4.8★ (2,247) | Camarillo, 15 mi away | 24/7 |
| 6 | Rowland Air | 63 | 4.9★ (1,810) | Santa Clarita, 16 mi away | 24/7 |
| 7 | Conejo Services HVAC, Plumbing and Electrical | 63 | 4.9★ (2,368) | Camarillo, 19 mi away | 24/7 |
| 8 | Los Angeles Air Department | 63 | 4.9★ (399) | North Hills, 9 mi away | 24/7 |
| 9 | Rooter Hero Plumbing & Air | 62 | 4.9★ (537) | Simi Valley, 12 mi away | 24/7 |
| 10 | Trinity Group Appliance HVAC Repair | 62 | 4.8★ (123) | Canoga Park, 2 mi away | 24/7 |
24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.
#1AZ Air Conditioning and Heating
Open 24/7 · 4.8 from 3,170 Google reviews
Open 24/7 · 4.9 from 1,583 Google reviews
#3Brody Pennell Heating & Air Conditioning
Open 24/7 · 4.9 from 4,606 Google reviews
#4Fleetwell Air Conditioning, Heating, and Plumbing
Open 24/7 · 4.9 from 488 Google reviews
#5Dutton Plumbing, Cooling & Heating
Open 24/7 · 4.8 from 2,247 Google reviews
Open 24/7 · 4.9 from 1,810 Google reviews
#7Conejo Services HVAC, Plumbing and Electrical
Open 24/7 · 4.9 from 2,368 Google reviews
Open 24/7 · 4.9 from 399 Google reviews
24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 1,199 is on the HVAC contractors page.
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: 4.8★ from 3,170 Google reviews, listed on Google as “HVAC contractor”.
Based in Van Nuys, 9 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,583 Google reviews, listed on Google as “HVAC contractor”.
Based in Los Angeles, 20 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 4,606 Google reviews.
Based in Calabasas, 7 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 488 Google reviews, listed on Google as “HVAC contractor”.
Based in Camarillo, 15 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 2,247 Google reviews, listed on Google as “HVAC contractor”.
Based in Santa Clarita, 16 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 1,810 Google reviews, listed on Google as “HVAC contractor”.
Based in Camarillo, 19 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 2,368 Google reviews, listed on Google as “HVAC contractor”.
Based in North Hills, 9 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 399 Google reviews, listed on Google as “HVAC contractor”.
Based in Simi Valley, 12 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 537 Google reviews, listed on Google as “HVAC contractor”.
Based in Canoga Park, 2 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 123 Google reviews, listed on Google as “HVAC contractor”.
Based in Van Nuys, 10 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 306 Google reviews, listed on Google as “HVAC contractor”.
Based in Van Nuys, 8 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 191 Google reviews, listed on Google as “HVAC contractor”.
Based in Van Nuys, 8 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 172 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Canoga Park, 4 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 111 Google reviews, listed on Google as “HVAC contractor”.
Based in Santa Clarita, 12 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 425 Google reviews, listed on Google as “HVAC contractor”.
Based in Simi Valley, 6 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 121 Google reviews, listed on Google as “HVAC contractor”.
Based in Canoga Park, 5 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 122 Google reviews, listed on Google as “HVAC contractor”.
Based in Los Angeles, 9 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 180 Google reviews, listed on Google as “HVAC contractor”.
Based in North Hollywood, 13 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 295 Google reviews, listed on Google as “HVAC contractor”.
Based in Northridge, 3 mi away
Ranked #20 because of its Google rating and trade focus: 4.6★ from 103 Google reviews, listed on Google as “HVAC contractor”.
Based in Canoga Park, 3 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 60 Google reviews, listed on Google as “HVAC contractor”.
Based in Calabasas, 5 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 82 Google reviews, listed on Google as “HVAC contractor”.
Based in Camarillo, 21 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 1,498 Google reviews, listed on Google as “HVAC contractor”.
Based in Chatsworth
Ranked #24 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Woodland Hills, 6 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 103 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.
Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.
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 |
|---|---|---|
| Reputation | 15% | Google star rating, adjusted for how many reviews back it |
| Credentials | 15% | Active state license, bond and workers’ comp on file |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list |
| Recency | 5% | Share of reviews from the last 12 months |
| Availability | 15% | Weekly open hours, Saturday, Sunday, 24/7 or same-day |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) |
| Proximity | 5% | Based in the city scores highest, less the farther away it is |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are |