107 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Dayton: Cucco's Air Conditioning & Heating, CR Score 65/100; 4.9★ from 362 Google reviews; open 24/7.
Best for emergencies (open 24/7): Air Tech of Humble - Elite Comfort, posts 24/7 hours; ranked #2 of 107.
Most-reviewed: Air Tech of Humble - Elite Comfort, 2,937 Google reviews at 4.9★, the most of 107 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
107 Dayton HVAC contractors are ranked here by CR Score, from ten published factors. 33 are open 24/7, 78 open Saturdays and 60 open Sundays, based on posted hours. The median Google rating is 4.9★ across 107 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Cucco's Air Conditioning & Heating | 65 | 4.9★ (362) | Dayton | 24/7 | Overall |
| 2 | Air Tech of Humble - Elite Comfort | 63 | 4.9★ (2,937) | Humble, 22 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Bay Air Conditioning & Heating | 63 | 5.0★ (169) | Dayton | Sat · Sun · Evenings | — |
| 4 | Texas Comfort Systems | 62 | 5.0★ (457) | Humble, 17 mi away | 24/7 | — |
| 5 | ASAP HVAC | 62 | 4.9★ (126) | Dayton | Sat · Sun · Evenings | — |
| 6 | Kingwood Air Solutions | 60 | 5.0★ (765) | Humble, 20 mi away | Sat · Sun · Evenings | — |
| 7 | Madd Air Heating & Cooling | 60 | 5.0★ (742) | Humble, 21 mi away | Sat · Sun · Evenings | — |
| 8 | Crew Heating & AC Repair | 59 | 5.0★ (266) | Humble, 16 mi away | Sat · Sun · Evenings | — |
| 9 | Sc Mechanical Co LLC | 59 | 4.4★ (13) | Dayton | 24/7 | — |
| 10 | Texas Strong Mechanical | 59 | 4.9★ (248) | Humble, 23 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 362 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Humble, 22 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 2,937 Google reviews, the most in Dayton.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dayton
Ranked #3 because of its Google rating and trade focus: 5.0★ from 169 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Humble, 17 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 457 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dayton
Ranked #5 because of its Google rating and trade focus: 4.9★ from 126 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Humble, 20 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 765 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Humble, 21 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 742 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Humble, 16 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 266 Google reviews, listed on Google as “Furnace repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dayton
Ranked #9 because of its Google rating and trade focus: 4.4★ from 13 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Humble, 23 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 248 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dayton
Ranked #11 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Humble, 22 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 673 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dayton
Ranked #13 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Humble, 21 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 106 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Humble, 22 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 140 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Humble, 22 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 138 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Humble, 24 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 1,012 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Beaumont, 10 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Humble, 23 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 82 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Conroe, 16 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 34 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in La Porte, 22 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 67 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Humble, 18 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Houston, 18 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 41 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baytown, 21 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 272 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baytown, 19 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 400 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#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 107 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 |
|---|---|---|
| 24/7 Water Heaters Service Humble | 4.0★ (4) | 23 mi |
| Bryant AC | 2.7★ (10) | 24 mi |
| Cleaver-Brooks Sales & Service | 4.7★ (6) | 25 mi |
| Combined Refrigeration | 5.0★ (2) | 23 mi |
| Complete Comfort Control | In Dayton | |
| Dayton Electric Co., LLC | 4.5★ (69) | In Dayton |
| Delta Degree Services | 5.0★ (1) | 19 mi |
| Garden Industrial Heating & Cooling | 5.0★ (9) | 24 mi |
| GP Custom Homes | 4.0★ (1) | In Dayton |
| JMT Mechanical | 5.0★ (2) | 19 mi |
| Kingwood TX Hot Water & Water Heaters | 5.0★ (2) | 21 mi |
| Mkazza A/C & Heating | 5.0★ (1) | 23 mi |
| Pleasant Air | 4.9★ (30) | 24 mi |
| Sears Heating and Air Conditioning | 3.0★ (2) | 18 mi |
| Service Line Air & Heat | 5.0★ (1) | 19 mi |
| Southland Mechanical | 1.0★ (1) | 23 mi |
| Subcool Refrigeration Company | 5.0★ (3) | 22 mi |
| TechnoCool A/C & Heating, LLC | 5.0★ (1) | In Dayton |
| Turbo Plumbing , Air Conditioning, Electrical & HVAC Repair Services | 4.6★ (10) | 24 mi |
| UNIQUE TECHNIQUES LLC | 5.0★ (2) | 25 mi |
National price ranges in USD, not adjusted for Dayton. 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 107 Dayton 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 Dayton 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 |