Top 50 of 136 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 August: Delta Sierra Mechanical, 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 | Delta Sierra Mechanical | 66 | 4.9★ (1,140) | Stockton, 2 mi away | 24/7 |
| 2 | Climate Care Heating & Air Conditioning | 63 | 4.9★ (1,808) | Manteca, 14 mi away | 24/7 |
| 3 | Villara | 63 | 4.9★ (1,688) | Manteca, 13 mi away | 24/7 |
| 4 | ADVANCED TECH 209 INC | 63 | 4.7★ (195) | August | 24/7 |
| 5 | Grizzly Heating & Air | 62 | 5.0★ (515) | Lodi, 11 mi away | 24/7 |
| 6 | All-Air Heating & Air Conditioning | 62 | 4.9★ (454) | Lodi, 11 mi away | 24/7 |
| 7 | Greener Solutions Heating & A/C | 62 | 4.9★ (1,197) | Stockton, 4 mi away | 24/7 |
| 8 | Star Heating and Air Conditioning Repair Manteca | 62 | 4.9★ (462) | Manteca, 13 mi away | 24/7 |
| 9 | Preet Heating, Cooling and Air Duct Cleaning | 61 | 5.0★ (284) | Lathrop, 12 mi away | 24/7 |
| 10 | Pro Edge Services and Training, Inc | 61 | 4.7★ (157) | Manteca, 5 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.
Open 24/7 · 4.9 from 1,140 Google reviews
#2Climate Care Heating & Air Conditioning
Open 24/7 · 4.9 from 1,808 Google reviews
#3Villara
Open 24/7 · 4.9 from 1,688 Google reviews
Open 24/7 · 4.7 from 195 Google reviews
Open 24/7 · 5.0 from 515 Google reviews
#6All-Air Heating & Air Conditioning
Open 24/7 · 4.9 from 454 Google reviews
#7Greener Solutions Heating & A/C
Open 24/7 · 4.9 from 1,197 Google reviews
#8Star Heating and Air Conditioning Repair Manteca
Open 24/7 · 4.9 from 462 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 136 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: 4.9★ from 1,140 Google reviews, listed on Google as “HVAC contractor”.
Based in Manteca, 14 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,808 Google reviews, listed on Google as “HVAC contractor”.
Based in Manteca, 13 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 1,688 Google reviews, listed on Google as “HVAC contractor”.
Based in August
Ranked #4 because of its Google rating and trade focus: 4.7★ from 195 Google reviews, listed on Google as “HVAC contractor”.
Based in Lodi, 11 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 515 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Lodi, 11 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 454 Google reviews, listed on Google as “Air conditioning repair service”.
Based in Stockton, 4 mi away
Ranked #7 because of its Google rating and review volume: 4.9★ from 1,197 Google reviews.
Based in Manteca, 13 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 462 Google reviews, listed on Google as “HVAC contractor”.
Based in Lathrop, 12 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 284 Google reviews, listed on Google as “HVAC contractor”.
Based in Manteca, 5 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 157 Google reviews, listed on Google as “HVAC contractor”.
Based in Modesto, 23 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 2,293 Google reviews, listed on Google as “HVAC contractor”.
Based in Manteca, 2 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “HVAC contractor”.
Based in Brentwood, 23 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 709 Google reviews, listed on Google as “HVAC contractor”.
Based in Manteca, 12 mi away
Ranked #14 because of its Google rating and trade focus: 4.6★ from 253 Google reviews, listed on Google as “HVAC contractor”.
Based in Stockton, 2 mi away
Ranked #15 because of its Google rating and trade focus: 4.3★ from 23 Google reviews, listed on Google as “HVAC contractor”.
Based in Lodi, 11 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “HVAC contractor”.
Based in Galt, 9 mi away
Ranked #17 because of its Google rating and trade focus: 4.6★ from 37 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Lathrop, 9 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 20 Google reviews, listed on Google as “HVAC contractor”.
Based in Stockton, 5 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “HVAC contractor”.
Based in Country Club, 9 mi away
Ranked #20 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “HVAC contractor”.
Based in Lathrop, 9 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “HVAC contractor”.
Based in Manteca, 11 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “HVAC contractor”.
Based in Galt, 19 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 74 Google reviews, listed on Google as “HVAC contractor”.
Based in Tracy, 19 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “HVAC contractor”.
Based in Turlock, 17 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Heating 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 |