Top 50 of 259 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 Union: Logan Services A/C, Heat & Plumbing, 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 | Logan Services A/C, Heat & Plumbing | 66 | 4.8★ (4,677) | Vandalia, 7 mi away | 24/7 |
| 2 | Choice Comfort Services | 64 | 4.9★ (1,028) | Vandalia, 6 mi away | 24/7 |
| 3 | One Hour Heating & Air Conditioning® of Dayton | 64 | 5.0★ (281) | Englewood, 1 mi away | 24/7 |
| 4 | Thomas & Galbraith Heating, Cooling, Plumbing & Electrical | 64 | 4.8★ (1,431) | Dayton, 8 mi away | 24/7 |
| 5 | McAfee Heating, Air Conditioning, and Plumbing | 63 | 4.9★ (3,690) | Kettering, 18 mi away | 24/7 |
| 6 | Stevenson Service Experts | 63 | 4.8★ (6,086) | Beavercreek, 20 mi away | 24/7 |
| 7 | Crabtree Heating & Air Conditioning Inc. | 63 | 5.0★ (188) | Clayton, 3 mi away | 24/7 |
| 8 | Apex Pros Plumbing, Electrical, Heating and Air | 62 | 4.9★ (1,910) | Dayton, 18 mi away | 24/7 |
| 9 | Eco Plumbers, Electricians, and HVAC Technicians | 62 | 4.8★ (3,337) | Dayton, 20 mi away | 24/7 |
| 10 | Airtron Heating & Air Conditioning | 62 | 4.7★ (465) | Clayton, 8 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.
#1Logan Services A/C, Heat & Plumbing
Open 24/7 · 4.8 from 4,677 Google reviews
Open 24/7 · 4.9 from 1,028 Google reviews
#3One Hour Heating & Air Conditioning® of Dayton
Open 24/7 · 5.0 from 281 Google reviews
#4Thomas & Galbraith Heating, Cooling, Plumbing & Electrical
Open 24/7 · 4.8 from 1,431 Google reviews
#5McAfee Heating, Air Conditioning, and Plumbing
Open 24/7 · 4.9 from 3,690 Google reviews
Open 24/7 · 4.8 from 6,086 Google reviews
#7Crabtree Heating & Air Conditioning Inc.
Open 24/7 · 5.0 from 188 Google reviews
#8Apex Pros Plumbing, Electrical, Heating and Air
Open 24/7 · 4.9 from 1,910 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 259 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: 4.8★ from 4,677 Google reviews, listed on Google as “HVAC contractor”.
Based in Vandalia, 6 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,028 Google reviews, listed on Google as “HVAC contractor”.
Based in Englewood, 1 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 281 Google reviews, listed on Google as “HVAC contractor”.
Based in Dayton, 8 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 1,431 Google reviews, listed on Google as “HVAC contractor”.
Based in Kettering, 18 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 3,690 Google reviews, listed on Google as “HVAC contractor”.
Based in Beavercreek, 20 mi away
Ranked #6 because of its Google rating and review volume: 4.8★ from 6,086 Google reviews.
Based in Clayton, 3 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 188 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Dayton, 18 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 1,910 Google reviews, listed on Google as “HVAC contractor”.
Based in Dayton, 20 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 3,337 Google reviews, listed on Google as “HVAC contractor”.
Based in Clayton, 8 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 465 Google reviews, listed on Google as “HVAC contractor”.
Based in Clayton, 4 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 159 Google reviews, listed on Google as “HVAC contractor”.
Based in Beavercreek, 18 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 1,384 Google reviews, listed on Google as “HVAC contractor”.
Based in Dayton, 12 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 666 Google reviews, listed on Google as “HVAC contractor”.
Based in Dayton, 20 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 2,108 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Eaton, 19 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 1,413 Google reviews, listed on Google as “HVAC contractor”.
Based in Centerville, 20 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 1,691 Google reviews, listed on Google as “HVAC contractor”.
Based in Dayton, 20 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 1,041 Google reviews, listed on Google as “HVAC contractor”.
Based in Huber Heights, 12 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 296 Google reviews, listed on Google as “HVAC contractor”.
Based in Huber Heights, 9 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 149 Google reviews, listed on Google as “HVAC contractor”.
Based in Xenia, 21 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 1,335 Google reviews, listed on Google as “HVAC contractor”.
Based in Piqua, 20 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 549 Google reviews, listed on Google as “HVAC contractor”.
Based in Englewood, 1 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “HVAC contractor”.
Based in Springboro, 24 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 1,123 Google reviews, listed on Google as “HVAC contractor”.
Based in Dayton, 11 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 94 Google reviews, listed on Google as “HVAC contractor”.
Based in Vandalia, 6 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 50 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 |