33 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Saint Louis: Weatherby's Plumbing & Heating, CR Score 85/100; 4.7★ from 130 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Walton Heating & Cooling, posts 24/7 hours; ranked #4 of 33.
Most-reviewed: All Seasons Heating and Cooling, 1,378 Google reviews at 4.9★, the most of 33 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
33 Saint Louis HVAC contractors are ranked here by CR Score, from 8 published factors. 4 are open 24/7, 12 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 4.7★ across 33 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Weatherby's Plumbing & Heating | 85 | 4.7★ (130) | Alma, 3 mi away | Sat · Sun | Overall |
| 2 | Collins Heating & Cooling LLC | 83 | 5.0★ (118) | Midland, 21 mi away | Sat · Sun · Evenings | — |
| 3 | Seeley Heating, Cooling & Refrigeration | 83 | 4.6★ (19) | Alma, 3 mi away | Sat · Sun | — |
| 4 | Walton Heating & Cooling | 80 | 3.8★ (14) | Mount Pleasant, 18 mi away | 24/7 | Emergencies |
| 5 | Airworks Heating & Cooling LLC | 80 | 4.7★ (61) | Midland, 22 mi away | Sat · Sun | — |
| 6 | All Seasons Heating and Cooling | 80 | 4.9★ (1,378) | Midland, 23 mi away | — | Most reviews |
| 7 | Wild's Plumbing Heating & Air | 79 | 4.5★ (120) | Midland, 23 mi away | 24/7 | — |
| 8 | Kihn Heating and Cooling llc | 79 | 3.6★ (30) | Mount Pleasant, 15 mi away | 24/7 | — |
| 9 | RP Carder Mechanical LLC | 79 | 5.0★ (24) | Midland, 24 mi away | Sat · Sun | — |
| 10 | Beauchamps Heating & Cooling LLC | 78 | 4.9★ (378) | Midland, 20 mi away | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.7★ from 130 Google reviews, listed on Google as “Heating contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Midland, 21 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 118 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Alma, 3 mi away
Ranked #3 because of its Google rating and trade focus: 4.6★ from 19 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mount Pleasant, 18 mi away
Ranked #4 because of its Google rating and availability: 3.8★ from 14 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Midland, 22 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 61 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Midland, 23 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 1,378 Google reviews, the most Google reviews on this list (1,378).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Midland, 23 mi away
Ranked #7 because of its Google rating and availability: 4.5★ from 120 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mount Pleasant, 15 mi away
Ranked #8 because of its Google rating and availability: 3.6★ from 30 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Midland, 24 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Midland, 20 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 378 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Alma, 3 mi away
Ranked #11 because of its Google rating and trade focus: 3.0★ from 6 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Saint Louis
Ranked #12 because of its Google rating and trade focus: 4.9★ from 31 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mount Pleasant, 13 mi away
Ranked #13 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Alma, 3 mi away
Ranked #14 because of its Google rating and trade focus: 4.4★ from 28 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saint Louis
Ranked #15 because of its Google rating and trade focus: 4.0★ from 33 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Midland, 23 mi away
Ranked #16 because of its Google rating and trade focus: 4.6★ from 5 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Midland, 23 mi away
Ranked #17 because of its Google rating and trade focus: 4.7★ from 230 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Saginaw, 25 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 127 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mount Pleasant, 16 mi away
Ranked #19 because of its Google rating and trade focus: 4.5★ from 116 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Midland, 24 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Auburn Hills, 24 mi away
Ranked #21 because of its Google rating and trade focus: 4.6★ from 34 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mount Pleasant, 17 mi away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 50 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Freeland, 22 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Midland, 24 mi away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 110 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Lansing, 7 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 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 | Scotland Oil Co | 72 | 4.8★ (99) | 4 mi |
| 27 | Comfort Solutions Heating & Air Conditioning, LLC | 71 | 5.0★ (35) | 25 mi |
| 28 | Pat Klein Plumbing & Heating | 70 | 4.9★ (7) | 15 mi |
| 29 | Addvance Heating & Cooling | 69 | 4.7★ (31) | 23 mi |
| 30 | Carey Plumbing & Heating Inc | 69 | 4.2★ (13) | 22 mi |
| 31 | Arctic Aire LLC | 68 | 4.7★ (9) | 23 mi |
| 32 | Extreme Heating & Cooling Inc. | 67 | 4.8★ (22) | 16 mi |
| 33 | Arizona Heating and Air Conditioning | 67 | 5.0★ (14) | 24 mi |
8 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 |
|---|---|---|
| Allegiance HVAC LLC | 24 mi | |
| Arctic Heating & Cooloing L.L.C. | 23 mi | |
| Daikin Applied Service | 5.0★ (1) | 22 mi |
| Energy Savers Heating & Cooling | In Saint Louis | |
| GPC Heating and Cooling | 23 mi | |
| McNeal and Sons Heating & Cooling, LLC | 5.0★ (1) | 17 mi |
| Moline Heating & Cooling | 2 mi | |
| Sears Heating and Air Conditioning | 4.0★ (1) | 15 mi |
National price ranges in USD, not adjusted for Saint Louis. 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 Michigan, Michigan LARA, Bureau of Construction Codes licenses Mechanical contractor licenses.
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 Michigan, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
We scored 33 Saint Louis HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Saint Louis data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |