792 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in South Houston: Air Tech of Pasadena - Miles Service, CR Score 64/100; 4.9★ from 1,334 Google reviews; open 24/7.
Best for emergencies (open 24/7): Champion and Nash, posts 24/7 hours; ranked #2 of 792.
Most-reviewed: Abacus Plumbing, Air Conditioning, & Electrical, 11,737 Google reviews at 4.7★, the most of 792 ranked; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
792 South Houston HVAC contractors are ranked here by CR Score, from ten published factors. 244 are open 24/7, 618 open Saturdays and 432 open Sundays, based on posted hours. The median Google rating is 4.9★ across 791 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Air Tech of Pasadena - Miles Service | 64 | 4.9★ (1,334) | Pasadena, 4 mi away | 24/7 | Overall |
| 2 | Champion and Nash | 64 | 4.9★ (1,006) | Pasadena, 2 mi away | 24/7 | Emergencies |
| 3 | Air Tech of Houston AC & Plumbing | 63 | 4.9★ (5,588) | Houston, 16 mi away | 24/7 | — |
| 4 | Clear the Air Cooling & Heating | 63 | 4.9★ (1,785) | Pearland, 10 mi away | 24/7 | — |
| 5 | ARS / Rescue Rooter | 63 | 4.5★ (4,100) | Webster, 6 mi away | 24/7 | — |
| 6 | Daryl's A/C & Heating, LLC | 63 | 4.9★ (489) | Alvin, 4 mi away | 24/7 | — |
| 7 | Priority AC & Heat | 63 | 5.0★ (627) | Houston, 9 mi away | 24/7 | — |
| 8 | Brown Air Conditioning & Heating | 62 | 4.7★ (924) | Pasadena, 5 mi away | 24/7 | — |
| 9 | Master Air Inc. | 62 | 4.9★ (656) | Pearland, 8 mi away | 24/7 | — |
| 10 | LMH Services | 62 | 5.0★ (348) | Deer Park, 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 1,334 Google reviews, listed on Google as “HVAC contractor”.
Based in Pasadena, 2 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,006 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Houston, 16 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 5,588 Google reviews, listed on Google as “HVAC contractor”.
Based in Pearland, 10 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 1,785 Google reviews, listed on Google as “HVAC contractor”.
Based in Webster, 6 mi away
Ranked #5 because of its Google rating and trade focus: 4.5★ from 4,100 Google reviews, listed on Google as “HVAC contractor”.
Based in Alvin, 4 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 489 Google reviews, listed on Google as “HVAC contractor”.
Based in Houston, 9 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 627 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Pasadena, 5 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 924 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Pearland, 8 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 656 Google reviews, listed on Google as “HVAC contractor”.
Based in Deer Park, 7 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 348 Google reviews, listed on Google as “HVAC contractor”.
Based in Houston, 20 mi away
Ranked #11 because of its Google rating and review volume: 4.7★ from 11,737 Google reviews, the most in South Houston.
Based in Pasadena, 4 mi away
Ranked #12 because of its Google rating and trade focus: 4.7★ from 590 Google reviews, listed on Google as “HVAC contractor”.
Based in Pasadena, 4 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 160 Google reviews, listed on Google as “HVAC contractor”.
Based in Deer Park, 7 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 210 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Houston, 20 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 4,419 Google reviews, listed on Google as “HVAC contractor”.
Based in Pearland, 6 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 3,658 Google reviews, listed on Google as “HVAC contractor”.
Based in South Houston
Ranked #17 because of its Google rating and trade focus: 4.8★ from 298 Google reviews, listed on Google as “HVAC contractor”.
Based in Houston, 23 mi away
Ranked #18 because of its Google rating and trade focus: 4.7★ from 9,886 Google reviews, listed on Google as “HVAC contractor”.
Based in Houston, 3 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 150 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Alvin, 4 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 93 Google reviews, listed on Google as “HVAC contractor”.
Based in Humble, 23 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 2,937 Google reviews, listed on Google as “HVAC contractor”.
Based in Baytown, 3 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 99 Google reviews, listed on Google as “HVAC contractor”.
Based in Houston, 24 mi away
Ranked #23 because of its Google rating and trade focus: 4.6★ from 11,276 Google reviews, listed on Google as “HVAC contractor”.
Based in South Houston
Ranked #24 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “HVAC contractor”.
Based in Houston, 2 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 59 Google reviews, listed on Google as “HVAC contractor”.
#1 to #25 are shown in full above. Here are #26 to #28, in CR Score order; each links to its profile. We publish the top 28 of 792 ranked HVAC contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Service Company | 60 | 4.7★ (474) | 10 mi |
| 28 | House Pro Air Conditioning | 60 | 4.7★ (1,336) | 16 mi |
National price ranges in USD, not adjusted for South Houston. 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 Texas, Texas Department of Licensing and Regulation (TDLR) licenses Air conditioning and refrigeration contractor licenses (Class A and B).
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
In Texas, air conditioning calls peak in the hottest summer months. Spring is the easiest time to book a tune-up or replacement, before the first heat wave.
We scored 792 South Houston 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 South Houston 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 |