Top 50 of 203 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank
24 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 San Marcos: Jon Wayne Service Company, 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 | Jon Wayne Service Company | 66 | 4.9★ (1,741) | New Braunfels, 8 mi away | 24/7 |
| 2 | AirOne Heating and Air Conditioning | 65 | 4.9★ (357) | San Marcos | 24/7 |
| 3 | Garner Heating & Air Conditioning Inc | 64 | 4.9★ (605) | Kyle, 7 mi away | 24/7 |
| 4 | So Cool Service, LLC | 64 | 5.0★ (103) | San Marcos | 24/7 |
| 5 | PerfectTemp Heating & Air Conditioning | 63 | 4.9★ (93) | San Marcos | 24/7 |
| 6 | Thayer Air Conditioning | 62 | 4.9★ (718) | New Braunfels, 16 mi away | 24/7 |
| 7 | Del's Heating & Air Conditioning | 62 | 4.9★ (569) | Buda, 16 mi away | 24/7 |
| 8 | Mend Services | 62 | 5.0★ (517) | Buda, 18 mi away | 24/7 |
| 9 | My Favorite Service Company | 62 | 5.0★ (430) | New Braunfels, 17 mi away | 24/7 |
| 10 | One Hour Heating & Air Conditioning of Kyle | 61 | 5.0★ (190) | Buda, 14 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 1,741 Google reviews
#2AirOne Heating and Air Conditioning
Open 24/7 · 4.9 from 357 Google reviews
#3Garner Heating & Air Conditioning Inc
Open 24/7 · 4.9 from 605 Google reviews
Open 24/7 · 5.0 from 103 Google reviews
#5PerfectTemp Heating & Air Conditioning
Open 24/7 · 4.9 from 93 Google reviews
Open 24/7 · 4.9 from 718 Google reviews
#7Del's Heating & Air Conditioning
Open 24/7 · 4.9 from 569 Google reviews
Open 24/7 · 5.0 from 517 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 203 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 1,741 Google reviews, listed on Google as “HVAC contractor”.
Based in San Marcos
Ranked #2 because of its Google rating and trade focus: 4.9★ from 357 Google reviews, listed on Google as “HVAC contractor”.
Based in Kyle, 7 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 605 Google reviews, listed on Google as “Air conditioning repair service”.
Based in San Marcos
Ranked #4 because of its Google rating and trade focus: 5.0★ from 103 Google reviews, listed on Google as “HVAC contractor”.
Based in San Marcos
Ranked #5 because of its Google rating and trade focus: 4.9★ from 93 Google reviews, listed on Google as “HVAC contractor”.
Based in New Braunfels, 16 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 718 Google reviews, listed on Google as “HVAC contractor”.
Based in Buda, 16 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 569 Google reviews, listed on Google as “Heating contractor”.
Based in Buda, 18 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 517 Google reviews, listed on Google as “Air conditioning repair service”.
Based in New Braunfels, 17 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 430 Google reviews, listed on Google as “HVAC contractor”.
Based in Buda, 14 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 190 Google reviews, listed on Google as “HVAC contractor”.
Based in San Marcos
Ranked #11 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “HVAC contractor”.
Based in New Braunfels, 13 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 94 Google reviews, listed on Google as “HVAC contractor”.
Based in Buda, 14 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 111 Google reviews, listed on Google as “HVAC contractor”.
Based in San Marcos
Ranked #14 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “HVAC contractor”.
Based in New Braunfels, 17 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 118 Google reviews, listed on Google as “HVAC contractor”.
Based in New Braunfels, 18 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 134 Google reviews, listed on Google as “HVAC contractor”.
Based in San Marcos
Ranked #17 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “HVAC contractor”.
Based in Buda, 17 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 111 Google reviews, listed on Google as “HVAC contractor”.
Based in Canyon Lake, 9 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Cibolo, 20 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 82 Google reviews, listed on Google as “HVAC contractor”.
Based in Buda, 14 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Buda, 14 mi away
Ranked #22 because of its Google rating and trade focus: 4.6★ from 47 Google reviews, listed on Google as “HVAC contractor”.
Based in Buda, 12 mi away
Ranked #23 because of its Google rating and trade focus: 4.6★ from 26 Google reviews, listed on Google as “HVAC contractor”.
Based in Cibolo, 7 mi away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “HVAC contractor”.
Based in Buda, 14 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 87 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.
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 |