Ranked #1 because of its Google rating and review volume: 4.9★ from 179 Google reviews, the most in Coalinga.
- 4.9★ from 179 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
6 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Coalinga: Santa Monica Drain Co., CR Score 56/100; 4.9★ from 179 Google reviews; open 24/7.
Best for emergencies (open 24/7): Advance Heating & Air Conditioning, posts 24/7 hours; ranked #3 of 6.
Most-reviewed: JW Heating and Air, 16 Google reviews at 3.4★, the most of 6 ranked after Santa Monica Drain Co.; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
6 Coalinga HVAC contractors are ranked here by CR Score, from ten published factors. 2 are open 24/7, 3 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.5★ across 6 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Santa Monica Drain Co. | 56 | 4.9★ (179) | Culver City, 24 mi away | 24/7 | Overall |
| 2 | JW Heating and Air | 54 | 3.4★ (16) | Coalinga | — | Most reviews |
| 3 | Advance Heating & Air Conditioning | 54 | 3.7★ (12) | Antioch, 23 mi away | 24/7 | Emergencies |
| 4 | Ferreira's Heating and Air Conditioning | 53 | 4.3★ (11) | Antioch, 14 mi away | Sat | — |
| 5 | Garza's Air Conditioning & Heating | 52 | 4.6★ (14) | Avenal, 16 mi away | — | — |
| 6 | Apple Heating & Air | 48 | 5.0★ (3) | Oakland, 18 mi away | — | — |
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 review volume: 4.9★ from 179 Google reviews, the most in Coalinga.
Based in Coalinga
Ranked #2 because of its Google rating and trade focus: 3.4★ from 16 Google reviews, listed on Google as “HVAC contractor”.
Based in Antioch, 23 mi away
Ranked #3 because of its Google rating and trade focus: 3.7★ from 12 Google reviews, listed on Google as “HVAC contractor”.
Based in Antioch, 14 mi away
Ranked #4 because of its Google rating and trade focus: 4.3★ from 11 Google reviews, listed on Google as “HVAC contractor”.
Based in Avenal, 16 mi away
Ranked #5 because of its Google rating and trade focus: 4.6★ from 14 Google reviews, listed on Google as “HVAC contractor”.
Based in Oakland, 18 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Heating contractor”.
National price ranges in USD, not adjusted for Coalinga. 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 6 Coalinga 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 Coalinga 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 |