Top 50 of 67 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank
19 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 Seneca: Best Services of Oconee, 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 | Best Services of Oconee | 94 | 4.9★ (519) | Seneca | 24/7 |
| 2 | Pittman Heating & Air Conditioning Inc | 93 | 4.8★ (340) | Seneca | 24/7 |
| 3 | PECO Heating & Cooling | 92 | 4.9★ (924) | Central, 10 mi away | 24/7 |
| 4 | McGee Heating & Air Inc. | 91 | 4.8★ (1,741) | Anderson, 17 mi away | 24/7 |
| 5 | David Taylor Heating & Air | 90 | 5.0★ (375) | Anderson, 18 mi away | 24/7 |
| 6 | Ace Plumbing, Electric, Heating & Air | 89 | 4.9★ (646) | Piedmont, 21 mi away | 24/7 |
| 7 | McGee Heating & Air Inc. | 89 | 4.9★ (988) | Easley, 24 mi away | 24/7 |
| 8 | One Hour Heating & Air Conditioning | 89 | 4.8★ (1,286) | Easley, 24 mi away | 24/7 |
| 9 | Nano Environmental Solutions Commercial Division | 88 | 4.7★ (27) | Seneca | 24/7 |
| 10 | Ellis Heating and Air Professionals | 86 | 5.0★ (100) | Anderson, 21 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 519 Google reviews
#2Pittman Heating & Air Conditioning Inc
Open 24/7 · 4.8 from 340 Google reviews
Open 24/7 · 4.9 from 924 Google reviews
Open 24/7 · 4.8 from 1,741 Google reviews
Open 24/7 · 5.0 from 375 Google reviews
#6Ace Plumbing, Electric, Heating & Air
Open 24/7 · 4.9 from 646 Google reviews
Open 24/7 · 4.9 from 988 Google reviews
#8One Hour Heating & Air Conditioning
Open 24/7 · 4.8 from 1,286 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 67 is on the HVAC contractors page.
Ranked #1 because of its Google rating and availability: 4.9★ from 519 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Seneca
Ranked #2 because of its Google rating and availability: 4.8★ from 340 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Central, 10 mi away
Ranked #3 because of its Google rating and availability: 4.9★ from 924 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Anderson, 17 mi away
Ranked #4 because of its Google rating and availability: 4.8★ from 1,741 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Anderson, 18 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 375 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Piedmont, 21 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 646 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Easley, 24 mi away
Ranked #7 because of its Google rating and availability: 4.9★ from 988 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Easley, 24 mi away
Ranked #8 because of its Google rating and availability: 4.8★ from 1,286 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Seneca
Ranked #9 because of its Google rating and availability: 4.7★ from 27 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Anderson, 21 mi away
Ranked #10 because of its Google rating and availability: 5.0★ from 100 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Anderson, 17 mi away
Ranked #11 because of its Google rating and availability: 5.0★ from 49 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Powdersville, 24 mi away
Ranked #12 because of its Google rating and availability: 4.9★ from 135 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Anderson, 16 mi away
Ranked #13 because of its Google rating and availability: 4.9★ from 26 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Powdersville, 23 mi away
Ranked #14 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Berea, 21 mi away
Ranked #15 because of its Google rating and availability: 4.7★ from 13 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Piedmont, 24 mi away
Ranked #16 because of its Google rating and availability: 4.9★ from 41 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Anderson, 20 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 17 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Central, 18 mi away
Ranked #18 because of its Google rating and availability: 4.4★ from 7 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greenville, 24 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 8 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Anderson, 18 mi away
Ranked #20 because of its Google rating and trade focus: 4.7★ from 48 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Easley, 25 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Central, 12 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Seneca
Ranked #23 because of its Google rating and trade focus: 4.9★ from 653 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Seneca
Ranked #24 because of its Google rating and trade focus: 5.0★ from 137 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Easley, 20 mi away
Ranked #25 because of its Google rating and review volume: 5.0★ from 2,220 Google reviews, 2,220 Google reviews.
Based on 6 of 8 factors; credentials and recency 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.
Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. 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 | 25% | Bayesian-adjusted Google star rating |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 |
| Review volume | 10% | log10(reviews + 1) against the list maximum |
| Recency | 10% | Share of reviews from the last 12 months |
| Availability | 20% | Weekly open hours, Saturday, Sunday, 24/7 or same-day |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) |