33 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Bonne Terre: Perfect Air, CR Score 61/100; 4.9★ from 807 Google reviews; open 24/7.
Best for emergencies (open 24/7): Bone Heating and Cooling, posts 24/7 hours; ranked #2 of 33.
Most-reviewed: Crystal Heating & Cooling, 2,553 Google reviews at 4.9★, the most of 33 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
33 Bonne Terre HVAC contractors are ranked here by CR Score, from ten published factors. 9 are open 24/7, 18 open Saturdays and 12 open Sundays, based on posted hours. The median Google rating is 4.8★ across 33 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Perfect Air | 61 | 4.9★ (807) | Festus, 23 mi away | 24/7 | Overall |
| 2 | Bone Heating and Cooling | 60 | 4.9★ (513) | Festus, 21 mi away | 24/7 | Emergencies |
| 3 | Proservice | 59 | 4.7★ (246) | Farmington, 12 mi away | Sat · Sun · Evenings | — |
| 4 | B&G Heating & Cooling | 58 | 5.0★ (57) | Farmington, 10 mi away | Sat · Sun · Evenings | — |
| 5 | Pioneer Mechanical, LLC. | 58 | 4.9★ (130) | Festus, 22 mi away | 24/7 | — |
| 6 | B. F. Mahn & Sons, Inc. | 58 | 4.9★ (867) | De Soto, 15 mi away | — | — |
| 7 | Nicholson Heating & Air | 57 | 4.8★ (204) | Farmington, 12 mi away | Sat · Evenings | — |
| 8 | Crystal Heating & Cooling | 57 | 4.9★ (2,553) | Festus, 23 mi away | — | Most reviews |
| 9 | Twomey Heating & Cooling | 56 | 4.0★ (50) | Park Hills, 12 mi away | 24/7 | — |
| 10 | Harris Heating & Cooling | 56 | 5.0★ (54) | Farmington, 12 mi away | Sat | — |
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 807 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Festus, 21 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 513 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farmington, 12 mi away
Ranked #3 because of its Google rating and trade focus: 4.7★ from 246 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farmington, 10 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Festus, 22 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 130 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in De Soto, 15 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 867 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farmington, 12 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 204 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Festus, 23 mi away
Ranked #8 because of its Google rating and review volume: 4.9★ from 2,553 Google reviews, the most in Bonne Terre.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Park Hills, 12 mi away
Ranked #9 because of its Google rating and trade focus: 4.0★ from 50 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farmington, 12 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 54 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in De Soto, 13 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Park Hills, 6 mi away
Ranked #12 because of its Google rating and trade focus: 4.0★ from 11 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in De Soto, 17 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 284 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farmington, 8 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 136 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Park Hills, 12 mi away
Ranked #15 because of its Google rating and trade focus: 3.1★ from 8 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bonne Terre
Ranked #16 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Festus, 23 mi away
Ranked #17 because of its Google rating and trade focus: 4.2★ from 36 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in De Soto, 13 mi away
Ranked #18 because of its Google rating and review volume: 5.0★ from 1,233 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Festus, 19 mi away
Ranked #19 because of its Google rating and trade focus: 3.5★ from 52 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Park Hills, 11 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Festus, 19 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Park Hills, 5 mi away
Ranked #22 because of its Google rating and trade focus: 4.0★ from 21 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Festus, 24 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 130 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farmington, 13 mi away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 27 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farmington, 7 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #33, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | A & B Plumbing & Heating Inc | 50 | 3.7★ (22) | 6 mi |
| 27 | CALCO Mobile Home Supplies | 50 | 4.7★ (37) | 5 mi |
| 28 | Jeffco Heating, Cooling & Refrigeration LLC | 49 | 5.0★ (13) | 23 mi |
| 29 | Reece Heating & Cooling services | 49 | 3.6★ (8) | 23 mi |
| 30 | Coolaire Mechanical LLC | 48 | 4.3★ (6) | 22 mi |
| 31 | Sears Heating and Air Conditioning | 47 | 3.7★ (6) | 22 mi |
| 32 | Comfort Cabinetry | 47 | 4.5★ (16) | 15 mi |
| 33 | My Level Property Development | 44 | 5.0★ (3) | 16 mi |
13 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 |
|---|---|---|
| Basler Outdoor Services, LLC | 4.7★ (49) | In Bonne Terre |
| Collins Heating & Cooling | 5 mi | |
| DM Electric Heating and Cooling | In Bonne Terre | |
| Energy Solutions | 12 mi | |
| Flecke Heating And Cooling | 23 mi | |
| Grand Oaks Heating & Air | 5.0★ (2) | 7 mi |
| GWS Contractors Inc | 5.0★ (2) | In Bonne Terre |
| J Higgins Plumbing & Septic Co | 3.9★ (43) | In Bonne Terre |
| Lizenby Mechanical Service Inc. | 11 mi | |
| Roto-Rooter | 3.7★ (38) | In Bonne Terre |
| Sears Heating and Air Conditioning | 12 mi | |
| Ultra Heating and Cooling Repair Inc. | 8 mi | |
| Ventum Mechanica | 25 mi |
National price ranges in USD, not adjusted for Bonne Terre. 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 |
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 33 Bonne Terre 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 Bonne Terre 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 |