482 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in El Cajon: Anderson Plumbing, Heating & Air, CR Score 67/100; 4.8★ from 4,443 Google reviews; open 24/7.
Best for emergencies (open 24/7): Mauzy Cooling, Heating, Plumbing, and Electrical, posts 24/7 hours; ranked #2 of 482.
Most-reviewed: ASI, The White Glove Guys, 7,073 Google reviews at 4.8★, the most of 482 ranked; ranked #21.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
482 El Cajon HVAC contractors are ranked here by CR Score, from ten published factors. 143 are open 24/7, 354 open Saturdays and 258 open Sundays, based on posted hours. The median Google rating is 5.0★ across 482 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Anderson Plumbing, Heating & Air | 67 | 4.8★ (4,443) | El Cajon | 24/7 | Overall |
| 2 | Mauzy Cooling, Heating, Plumbing, and Electrical | 67 | 4.8★ (4,710) | El Cajon | 24/7 | Emergencies |
| 3 | West Coast Heating Air Solar | 65 | 4.9★ (1,836) | El Cajon | Sat · Sun · Evenings | — |
| 4 | Bill Howe Plumbing, Heating & Air, Restoration & Flood Services | 65 | 4.8★ (4,875) | San Diego, 10 mi away | 24/7 | — |
| 5 | Anderson Plumbing, Heating & Air | 65 | 4.8★ (6,056) | San Diego, 11 mi away | 24/7 | — |
| 6 | Precision Temperature | 64 | 4.9★ (1,014) | Lakeside, 5 mi away | 24/7 | — |
| 7 | Blue Diamond Heating and Air | 64 | 5.0★ (801) | El Cajon | 24/7 | — |
| 8 | Reliable Appliance, Heating and Air | 64 | 4.6★ (3,124) | El Cajon | Sat · Sun · Evenings | — |
| 9 | Maximum Comfort Heating and AC Repair | 64 | 5.0★ (200) | El Cajon | 24/7 | — |
| 10 | Air Temperature Specialists | 63 | 4.9★ (264) | El Cajon | 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: 4.8★ from 4,443 Google reviews, listed on Google as “HVAC contractor”.
Based in El Cajon
Ranked #2 because of its Google rating and trade focus: 4.8★ from 4,710 Google reviews, listed on Google as “HVAC contractor”.
Based in El Cajon
Ranked #3 because of its Google rating and trade focus: 4.9★ from 1,836 Google reviews, listed on Google as “HVAC contractor”.
Based in San Diego, 10 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 4,875 Google reviews, listed on Google as “HVAC contractor”.
Based in San Diego, 11 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 6,056 Google reviews, listed on Google as “HVAC contractor”.
Based in Lakeside, 5 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 1,014 Google reviews, listed on Google as “HVAC contractor”.
Based in El Cajon
Ranked #7 because of its Google rating and trade focus: 5.0★ from 801 Google reviews, listed on Google as “HVAC contractor”.
Based in El Cajon
Ranked #8 because of its Google rating and trade focus: 4.6★ from 3,124 Google reviews, listed on Google as “HVAC contractor”.
Based in El Cajon
Ranked #9 because of its Google rating and trade focus: 5.0★ from 200 Google reviews, listed on Google as “HVAC contractor”.
Based in El Cajon
Ranked #10 because of its Google rating and trade focus: 4.9★ from 264 Google reviews, listed on Google as “HVAC contractor”.
Based in El Cajon
Ranked #11 because of its Google rating and trade focus: 4.9★ from 749 Google reviews, listed on Google as “HVAC contractor”.
Based in El Cajon
Ranked #12 because of its Google rating and trade focus: 5.0★ from 160 Google reviews, listed on Google as “HVAC contractor”.
Based in San Diego, 9 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 1,658 Google reviews, listed on Google as “HVAC contractor”.
Based in Lakeside, 5 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 424 Google reviews, listed on Google as “HVAC contractor”.
Based in San Diego, 14 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 1,612 Google reviews, listed on Google as “HVAC contractor”.
Based in El Cajon
Ranked #16 because of its Google rating and trade focus: 4.9★ from 131 Google reviews, listed on Google as “HVAC contractor”.
Based in La Mesa, 2 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 143 Google reviews, listed on Google as “HVAC contractor”.
Based in El Cajon
Ranked #18 because of its Google rating and trade focus: 5.0★ from 86 Google reviews, listed on Google as “Furnace repair service”.
Based in San Diego, 11 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 626 Google reviews, listed on Google as “HVAC contractor”.
Based in El Cajon
Ranked #20 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “HVAC contractor”.
Based in San Diego, 10 mi away
Ranked #21 because of its Google rating and review volume: 4.8★ from 7,073 Google reviews, the most in El Cajon.
Based in El Cajon
Ranked #22 because of its Google rating and trade focus: 4.9★ from 871 Google reviews, listed on Google as “HVAC contractor”.
Based in La Mesa, 5 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 206 Google reviews, listed on Google as “HVAC contractor”.
Based in Lakeside, 5 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 201 Google reviews, listed on Google as “Air conditioning contractor”.
Based in San Diego, 13 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 815 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 482 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 |
|---|---|---|
| ALIVI CLEANING SERVICES LLC | 5.0★ (2) | 8 mi |
| All Temp Refrigeration Air Conditioning And Heating | 5.0★ (2) | 3 mi |
| Arctic airflow heating and air conditioning Inc | 5.0★ (2) | 7 mi |
| Beach Front Mechanical | 5.0★ (2) | 8 mi |
| Flaherty Heating and Air | 5.0★ (29) | 8 mi |
| G-Force Heat & Air | In El Cajon | |
| Georges Affordable on the Spot! | In El Cajon | |
| Golden Comfort AC & Heating Repair | 5.0★ (22) | 4 mi |
| HX Refrigeration | 5.0★ (14) | In El Cajon |
| Moree Mechanical | 5.0★ (2) | In El Cajon |
| Professional KitchenAid Appliance Repair | 5.0★ (34) | 9 mi |
| RR Heating & Air Conditioning | 5.0★ (16) | 3 mi |
| San Diego Appliance Repair Pros | 5.0★ (2) | 8 mi |
| Semper Solaris Air Conditioning & Heating | 1.0★ (1) | In El Cajon |
| SERVPRO of El Cajon | 4.9★ (77) | In El Cajon |
| Smart Santee HVAC Repair | 5.0★ (22) | 4 mi |
| Southwest Mechanical Services Inc | 5.0★ (2) | In El Cajon |
| THA Heating Air & Plumbing Inc. | 4.5★ (97) | 11 mi |
| Thermodynamic Refrigeration | 5.0★ (2) | 5 mi |
| Total Comfort Systems Heating & Air Conditioning CA | 3.5★ (2) | 8 mi |
National price ranges in USD, not adjusted for El Cajon. 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 482 El Cajon 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 El Cajon 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 |