288 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Oceanside: Personal Plumbing Heating & Air Conditioning, CR Score 66/100; 4.9★ from 1,305 Google reviews; open 24/7.
Best for emergencies (open 24/7): Sherlock Plumbing, Heating & Air, posts 24/7 hours; ranked #2 of 288.
Most-reviewed: Sherlock Plumbing, Heating & Air, 4,132 Google reviews at 4.9★, the most of 288 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
288 Oceanside HVAC contractors are ranked here by CR Score, from ten published factors. 87 are open 24/7, 203 open Saturdays and 148 open Sundays, based on posted hours. The median Google rating is 5.0★ across 288 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Personal Plumbing Heating & Air Conditioning | 66 | 4.9★ (1,305) | Oceanside | 24/7 | Overall |
| 2 | Sherlock Plumbing, Heating & Air | 66 | 4.9★ (4,132) | Carlsbad, 10 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Veterans Heating and Air Conditioning, Plumbing, and Electrical | 66 | 5.0★ (601) | Oceanside | 24/7 | — |
| 4 | Action Air Conditioning & Heating | 65 | 4.9★ (3,896) | San Marcos, 11 mi away | 24/7 | — |
| 5 | Airtime Heating and Air | 65 | 5.0★ (426) | Oceanside | 24/7 | — |
| 6 | John Stevenson Plumbing, Heating & Air Conditioning | 65 | 4.8★ (2,898) | Carlsbad, 8 mi away | 24/7 | — |
| 7 | Thompson Plumbing Heating and Air Conditioning | 65 | 4.9★ (1,197) | Oceanside | Sat · Sun · Evenings | — |
| 8 | Anderson Plumbing, Heating & Air | 64 | 4.8★ (2,810) | San Marcos, 11 mi away | 24/7 | — |
| 9 | American Plumbing Heating & Air Conditioning | 63 | 4.7★ (237) | Oceanside | 24/7 | — |
| 10 | Cool Air Solutions Heating and Air Conditioning Inc. | 63 | 4.9★ (338) | Vista, 7 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 1,305 Google reviews, listed on Google as “HVAC contractor”.
Based in Carlsbad, 10 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 4,132 Google reviews, the most in Oceanside.
Based in Oceanside
Ranked #3 because of its Google rating and trade focus: 5.0★ from 601 Google reviews, listed on Google as “HVAC contractor”.
Based in San Marcos, 11 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 3,896 Google reviews, listed on Google as “HVAC contractor”.
Based in Oceanside
Ranked #5 because of its Google rating and trade focus: 5.0★ from 426 Google reviews, listed on Google as “HVAC contractor”.
Based in Carlsbad, 8 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 2,898 Google reviews, listed on Google as “HVAC contractor”.
Based in Oceanside
Ranked #7 because of its Google rating and trade focus: 4.9★ from 1,197 Google reviews, listed on Google as “HVAC contractor”.
Based in San Marcos, 11 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 2,810 Google reviews, listed on Google as “HVAC contractor”.
Based in Oceanside
Ranked #9 because of its Google rating and trade focus: 4.7★ from 237 Google reviews, listed on Google as “HVAC contractor”.
Based in Vista, 7 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 338 Google reviews, listed on Google as “HVAC contractor”.
Based in San Clemente, 22 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 3,766 Google reviews, listed on Google as “HVAC contractor”.
Based in Escondido, 15 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 1,303 Google reviews, listed on Google as “HVAC contractor”.
Based in Oceanside
Ranked #13 because of its Google rating and trade focus: 4.7★ from 127 Google reviews, listed on Google as “HVAC contractor”.
Based in Vista, 6 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 1,124 Google reviews, listed on Google as “HVAC contractor”.
Based in Oceanside
Ranked #15 because of its Google rating and trade focus: 5.0★ from 406 Google reviews, listed on Google as “HVAC contractor”.
Based in Vista, 9 mi away
Ranked #16 because of its Google rating and trade focus: 4.7★ from 402 Google reviews, listed on Google as “HVAC contractor”.
Based in San Marcos, 12 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 1,139 Google reviews, listed on Google as “HVAC contractor”.
Based in San Diego, 24 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 1,612 Google reviews, listed on Google as “HVAC contractor”.
Based in Escondido, 16 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 360 Google reviews, listed on Google as “HVAC contractor”.
Based in Escondido, 15 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 222 Google reviews, listed on Google as “HVAC contractor”.
Based in Carlsbad, 8 mi away
Ranked #21 because of its Google rating and trade focus: 4.6★ from 151 Google reviews, listed on Google as “HVAC contractor”.
Based in Oceanside
Ranked #22 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “HVAC contractor”.
Based in Camp Pendleton North, 11 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 102 Google reviews, listed on Google as “HVAC contractor”.
Based in Fallbrook, 14 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 123 Google reviews, listed on Google as “HVAC contractor”.
Based in Oceanside
Ranked #25 because of its Google rating and trade focus: 4.9★ from 116 Google reviews, listed on Google as “Air conditioning 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 288 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 Doctors.tv Inc. | In Oceanside | |
| Acuna's Polar Aire | 4.8★ (19) | 15 mi |
| Better Air Systems | 5.0★ (12) | 14 mi |
| Comfort Mavericks Water Damage LLC | In Oceanside | |
| ComfortEdge HVAC Fixers | In Oceanside | |
| DC Plumbing Heating and Air Conditioning | 4.7★ (57) | 22 mi |
| Fresh Vent AC Services | 5.0★ (5) | 7 mi |
| Glaser Air HVAC - #1 AC Contractor | 5.0★ (3) | 5 mi |
| Heating & Air Conditioning CA | 5.0★ (2) | In Oceanside |
| Jackson & Foster Heating & Air Conditioning | 4.9★ (58) | 21 mi |
| Jax Mechanical | 4.5★ (8) | 8 mi |
| Julio's Economy Plumbing | 5.0★ (5) | 10 mi |
| Oceanside HVAC Repairs | 5.0★ (2) | 6 mi |
| Paradigm Mechanical | In Oceanside | |
| Precision Air Inc | 4.0★ (2) | 8 mi |
| Precision Escondido HVAC Repair | 5.0★ (21) | 14 mi |
| Pure Air San Diego | 5.0★ (2) | 7 mi |
| RER Masonry Brick's & Dryer Vent Cleaning Ltd | 4.0★ (5) | In Oceanside |
| Sears Heating and Air Conditioning | 5.0★ (1) | In Oceanside |
| Trusted San Diego AC Repair | 5.0★ (20) | 17 mi |
National price ranges in USD, not adjusted for Oceanside. 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 288 Oceanside 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 Oceanside 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 |