167 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Clinton: Hiller Plumbing, Heating, Cooling & Electrical, CR Score 65/100; 4.9★ from 5,136 Google reviews; open 24/7.
Best for emergencies (open 24/7): A-1 Finchum Heating & Cooling, posts 24/7 hours; ranked #2 of 167.
Most-reviewed: HEP is on the way, 5,839 Google reviews at 4.6★, the most of 167 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
167 Clinton HVAC contractors are ranked here by CR Score, from ten published factors. 53 are open 24/7, 102 open Saturdays and 70 open Sundays, based on posted hours. The median Google rating is 4.8★ across 167 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Hiller Plumbing, Heating, Cooling & Electrical | 65 | 4.9★ (5,136) | Knoxville, 11 mi away | 24/7 | Overall |
| 2 | A-1 Finchum Heating & Cooling | 64 | 4.8★ (599) | Clinton | 24/7 | Emergencies |
| 3 | Pioneer Heating, Cooling, Plumbing and Electrical | 64 | 4.8★ (4,534) | Knoxville, 12 mi away | 24/7 | — |
| 4 | GoHero Home Services | 64 | 4.8★ (1,901) | Knoxville, 10 mi away | 24/7 | — |
| 5 | Advanced Heat AC & Plumbing | 63 | 4.8★ (1,436) | Knoxville, 9 mi away | 24/7 | — |
| 6 | Buie's Heating and Air, LLC | 63 | 5.0★ (131) | Clinton | 24/7 | — |
| 7 | Rocky Top HVAC, LLC | 63 | 4.8★ (1,067) | Knoxville, 9 mi away | 24/7 | — |
| 8 | Pipe Wrench Plumbing, Heating & Cooling | 63 | 4.9★ (822) | Oak Ridge, 10 mi away | 24/7 | — |
| 9 | HEP is on the way | 63 | 4.6★ (5,839) | Knoxville, 15 mi away | 24/7 | Most reviews |
| 10 | Chancey & Reynolds, Inc. | AC Repair | 62 | 4.9★ (1,363) | Knoxville, 15 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 5,136 Google reviews, listed on Google as “HVAC contractor”.
Based in Clinton
Ranked #2 because of its Google rating and trade focus: 4.8★ from 599 Google reviews, listed on Google as “HVAC contractor”.
Based in Knoxville, 12 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 4,534 Google reviews, listed on Google as “HVAC contractor”.
Based in Knoxville, 10 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 1,901 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Knoxville, 9 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 1,436 Google reviews, listed on Google as “HVAC contractor”.
Based in Clinton
Ranked #6 because of its Google rating and trade focus: 5.0★ from 131 Google reviews, listed on Google as “HVAC contractor”.
Based in Knoxville, 9 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 1,067 Google reviews, listed on Google as “HVAC contractor”.
Based in Oak Ridge, 10 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 822 Google reviews, listed on Google as “HVAC contractor”.
Based in Knoxville, 15 mi away
Ranked #9 because of its Google rating and review volume: 4.6★ from 5,839 Google reviews, the most in Clinton.
Based in Knoxville, 15 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 1,363 Google reviews, listed on Google as “HVAC contractor”.
Based in Clinton
Ranked #11 because of its Google rating and trade focus: 4.8★ from 133 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Knoxville, 13 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 810 Google reviews, listed on Google as “HVAC contractor”.
Based in Knoxville, 12 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 685 Google reviews, listed on Google as “HVAC contractor”.
Based in Knoxville, 14 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 555 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Knoxville, 11 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 1,264 Google reviews, listed on Google as “HVAC contractor”.
Based in Knoxville, 13 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 492 Google reviews, listed on Google as “HVAC contractor”.
Based in Clinton
Ranked #17 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “HVAC contractor”.
Based in Knoxville, 11 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 468 Google reviews, listed on Google as “HVAC contractor”.
Based in Clinton
Ranked #19 because of its Google rating and trade focus: 4.8★ from 177 Google reviews, listed on Google as “HVAC contractor”.
Based in Knoxville, 12 mi away
Ranked #20 because of its Google rating and review volume: 4.8★ from 5,705 Google reviews.
Based in Farragut, 17 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 558 Google reviews, listed on Google as “HVAC contractor”.
Based in Knoxville, 9 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 91 Google reviews, listed on Google as “HVAC contractor”.
Based in Clinton
Ranked #23 because of its Google rating and trade focus: 4.9★ from 56 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Clinton
Ranked #24 because of its Google rating and trade focus: 4.8★ from 71 Google reviews, listed on Google as “HVAC contractor”.
Based in Knoxville, 9 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 137 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. We publish the top 50 of 167 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 |
|---|---|---|
| A1 Air Conditioning of Knoxville | 5.0★ (6) | 8 mi |
| AC Comfort Heating and Air LLC | In Clinton | |
| Alpha Air Services | 5.0★ (2) | 12 mi |
| C&L Heating & Air | 5.0★ (1) | 13 mi |
| DuoTech Heating and Air | 4.2★ (14) | 14 mi |
| E Solutions for Buildings, LLC | 5.0★ (1) | 14 mi |
| Gill-Air | 5.0★ (11) | 21 mi |
| HEP is on the way | 5.0★ (264) | In Clinton |
| Householder Heating & Air | 5.0★ (2) | 21 mi |
| HVAC Contractors Tennessee | 3.0★ (1) | 8 mi |
| Iwicki Plumbing Services | 5.0★ (15) | In Clinton |
| Knoxville Heating & Air Conditioning | 5.0★ (1) | 13 mi |
| Maintenance One TN LLC | 5.0★ (2) | In Clinton |
| Overton HVAC | 5.0★ (2) | In Clinton |
| REA, Inc. | 4.5★ (2) | 13 mi |
| Superior Comfort Systems | 5.0★ (1) | 12 mi |
| Symons Electrical & HVAC | 3.0★ (2) | 19 mi |
| Trocsch HVAC & Recycling | 4.6★ (43) | 22 mi |
| Valhalla Heat & Air | 5.0★ (2) | 15 mi |
| York AC | 4.6★ (9) | In Clinton |
National price ranges in USD, not adjusted for Clinton. 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 Tennessee, Tennessee Board for Licensing Contractors licenses Contractor licenses (mechanical/HVAC classification).
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
HVAC demand peaks in summer for cooling and in winter for heating. Spring and fall are the easiest times to book maintenance or a replacement.
We scored 167 Clinton 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 Clinton 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 |