618 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Castaic: Rowland Air, CR Score 64/100; 4.9★ from 1,810 Google reviews; open 24/7.
Best for emergencies (open 24/7): AZ Air Conditioning and Heating, posts 24/7 hours; ranked #2 of 618.
Most-reviewed: AZ Air Conditioning and Heating, 3,170 Google reviews at 4.8★, the most of 618 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
618 Castaic HVAC contractors are ranked here by CR Score, from ten published factors. 268 are open 24/7, 495 open Saturdays and 386 open Sundays, based on posted hours. The median Google rating is 4.9★ across 618 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Rowland Air | 64 | 4.9★ (1,810) | Santa Clarita, 11 mi away | 24/7 | Overall |
| 2 | AZ Air Conditioning and Heating | 64 | 4.8★ (3,170) | North Hills, 15 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Air Crew | 64 | 4.9★ (425) | Santa Clarita, 5 mi away | 24/7 | — |
| 4 | Tassio Temperature Control | 63 | 5.0★ (161) | Valencia, 4 mi away | 24/7 | — |
| 5 | Hilo Aire | 62 | 5.0★ (376) | Castaic | Sat | — |
| 6 | Just Rite Air Heating & Cooling Santa Clarita | 62 | 5.0★ (263) | Santa Clarita, 5 mi away | Sat · Sun · Evenings | — |
| 7 | JC Refrigeration Heating and Air | 62 | 5.0★ (101) | Santa Clarita, 5 mi away | 24/7 | — |
| 8 | Conejo Services HVAC, Plumbing and Electrical | 62 | 4.9★ (86) | Valencia, 3 mi away | 24/7 | — |
| 9 | Dutton Plumbing, Cooling & Heating | 61 | 4.8★ (2,247) | Camarillo, 23 mi away | 24/7 | — |
| 10 | Pacific Heating & Air Conditioning | 61 | 5.0★ (37) | Castaic | 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 1,810 Google reviews, listed on Google as “HVAC contractor”.
Based in North Hills, 15 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 3,170 Google reviews, the most in Castaic.
Based in Santa Clarita, 5 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 425 Google reviews, listed on Google as “HVAC contractor”.
Based in Valencia, 4 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 161 Google reviews, listed on Google as “HVAC contractor”.
Based in Castaic
Ranked #5 because of its Google rating and trade focus: 5.0★ from 376 Google reviews, listed on Google as “HVAC contractor”.
Based in Santa Clarita, 5 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 263 Google reviews, listed on Google as “HVAC contractor”.
Based in Santa Clarita, 5 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 101 Google reviews, listed on Google as “HVAC contractor”.
Based in Valencia, 3 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 86 Google reviews, listed on Google as “HVAC contractor”.
Based in Camarillo, 23 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 2,247 Google reviews, listed on Google as “HVAC contractor”.
Based in Castaic
Ranked #10 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Valencia, 5 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 123 Google reviews, listed on Google as “HVAC contractor”.
Based in Simi Valley, 18 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 537 Google reviews, listed on Google as “HVAC contractor”.
Based in Santa Clarita, 5 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 148 Google reviews, listed on Google as “HVAC contractor”.
Based in Valencia, 4 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 447 Google reviews, listed on Google as “HVAC contractor”.
Based in Santa Clarita, 6 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 163 Google reviews, listed on Google as “HVAC contractor”.
Based in Santa Clarita, 9 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 156 Google reviews, listed on Google as “HVAC contractor”.
Based in Castaic
Ranked #17 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Chatsworth, 17 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 1,050 Google reviews, listed on Google as “HVAC contractor”.
Based in Santa Clarita, 10 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 197 Google reviews, listed on Google as “HVAC contractor”.
Based in Van Nuys, 21 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 1,583 Google reviews, listed on Google as “HVAC contractor”.
Based in Valencia, 4 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “HVAC contractor”.
Based in Santa Clarita, 7 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “HVAC contractor”.
Based in Santa Clarita, 9 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 61 Google reviews, listed on Google as “HVAC contractor”.
Based in Calabasas, 22 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 488 Google reviews, listed on Google as “HVAC contractor”.
Based in Santa Clarita, 7 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 44 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 618 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-one Plumbing Heating & Air Conditioning | 3.0★ (1) | In Castaic |
| Adrian's Heating & AC Repair | 5.0★ (2) | 4 mi |
| Advanced Heating and Air Conditioning Valencia | 5.0★ (2) | 5 mi |
| Air Control Heating & Air Conditioning | 4.9★ (11) | 6 mi |
| Alpha Mechanical Heating and Air | 5.0★ (2) | 16 mi |
| Blue Crew Plumbing | 4.9★ (39) | In Castaic |
| E C Sigmon Inc | 5.0★ (2) | 17 mi |
| Fix it Fast Plumbing Heating & AC Repair | 5.0★ (61) | 17 mi |
| Fresh Air Conditioning & Heating | 4.9★ (86) | 17 mi |
| JetBreeze AC | 5.0★ (2) | 8 mi |
| Multi Air Services | 5.0★ (2) | In Castaic |
| Norm’s Heating & Cooling | In Castaic | |
| Pro HVAC Santa Clarita | 5.0★ (19) | 10 mi |
| Ralos Comfort | 5.0★ (2) | 17 mi |
| Real Air Hvac | 5.0★ (7) | In Castaic |
| Season Control Heating & Air Conditioning | 4.9★ (111) | 20 mi |
| Sky heating and cooling | 5.0★ (2) | 9 mi |
| TOTO Air inc | 5.0★ (180) | 23 mi |
| Trinity Group Appliance HVAC Repair | 4.8★ (123) | 18 mi |
| United Heating & Air Conditioning | 4.8★ (164) | 18 mi |
National price ranges in USD, not adjusted for Castaic. 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 618 Castaic 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 Castaic 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 |