66/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 10,949 Google reviews, the most in Richmond Heights.
- 4.9★ from 10,949 Google reviews
- Hours
- Mon–Sun 6 AM–9 PM
- Address
- 1025 Hanley Industrial Ct, Brentwood, MO 63144
Best HVAC Contractors in Richmond Heights, MO (2026)
470 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Richmond Heights: Hoffmann Brothers, CR Score 66/100; 4.9★ from 10,949 Google reviews; open 7 days a week.
- 2
Best for emergencies (open 24/7): Classic Aire Care, posts 24/7 hours; ranked #2 of 470.
- 7
Most-reviewed: Morrison Plumbing, Heating, Air, & Electrical Services, 8,631 Google reviews at 4.9★, the most of 470 ranked after Hoffmann Brothers; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
470 Richmond Heights HVAC contractors are ranked here by CR Score, from ten published factors. 163 are open 24/7, 305 open Saturdays and 256 open Sundays, based on posted hours. The median Google rating is 4.9★ across 470 rated businesses.
Top 10 HVAC contractors in Richmond Heights at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Hoffmann Brothers | 66 | 4.9★ (10,949) | Brentwood, 1 mi away | Sat · Sun · Evenings | Overall |
| 2 | Classic Aire Care | 66 | 4.9★ (4,820) | St. Louis, 6 mi away | 24/7 | Emergencies |
| 3 | Hoffmann Brothers | 65 | 4.9★ (5,847) | St. Louis, 8 mi away | 24/7 | — |
| 4 | Rhymes Heating and Cooling | 64 | 5.0★ (1,430) | St. Louis, 8 mi away | 24/7 | — |
| 5 | Academy Air Heating, Cooling, Plumbing and Electric | 64 | 4.8★ (6,727) | Hazelwood, 12 mi away | 24/7 | — |
| 6 | Dole Heating & Air Conditioning | 64 | 4.9★ (1,401) | St. Louis, 7 mi away | 24/7 | — |
| 7 | Morrison Plumbing, Heating, Air, & Electrical Services | 64 | 4.9★ (8,631) | Collinsville, 16 mi away | 24/7 | Most reviews |
| 8 | Scott-Lee Company | 64 | 4.9★ (2,175) | St. Louis, 9 mi away | 24/7 | — |
| 9 | Air Comfort Service, Inc. | 63 | 4.9★ (2,041) | Hazelwood, 10 mi away | 24/7 | — |
| 10 | SmartHouse Heating and Cooling | 63 | 4.9★ (476) | St. Louis, 3 mi away | 24/7 | — |
The 470 best HVAC contractors in Richmond Heights, ranked
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.
Based in St. Louis, 6 mi away
66/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 4,820 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 4,820 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1276 N Warson Rd, St. Louis, MO 63132
Based in St. Louis, 8 mi away
65/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 5,847 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 5,847 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2043 Woodland Pkwy #100, St. Louis, MO 63146
Based in St. Louis, 8 mi away
64/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 1,430 Google reviews, listed on Google as “Heating contractor”.
- 5.0★ from 1,430 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10958 Lin Valle Dr, St. Louis, MO 63123
Based in Hazelwood, 12 mi away
64/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 6,727 Google reviews, listed on Google as “Air conditioning contractor”.
- 4.8★ from 6,727 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4848 Park 370 Blvd Suite F, Hazelwood, MO 63042
Based in St. Louis, 7 mi away
64/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 1,401 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,401 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1920 S Broadway, St. Louis, MO 63104
Based in Collinsville, 16 mi away
64/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 8,631 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 8,631 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1607 Eastport Plaza Dr Ste 119, Collinsville, IL 62234
Based in St. Louis, 9 mi away
64/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 2,175 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 2,175 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11010 Gravois Industrial Ct, St. Louis, MO 63128
Based in Hazelwood, 10 mi away
63/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 2,041 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 2,041 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11920 Missouri Bottom Rd, Hazelwood, MO 63042
Based in St. Louis, 3 mi away
63/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 476 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 476 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6921 Olive Blvd, St. Louis, MO 63130
Based in St. Louis, 3 mi away
63/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 487 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 487 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2704 Brannon Ave, St. Louis, MO 63139
Based in St. Louis, 4 mi away
63/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 5,170 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 5,170 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 7 AM–5 PM · Sun closed
- Address
- 1643 Tower Grove Ave, St. Louis, MO 63110
Based in Saint Peters, 18 mi away
63/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 6,530 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 6,530 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4631 N St Peters Pkwy, St Peters, MO 63304
Based in Ballwin, 11 mi away
63/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 1,825 Google reviews, listed on Google as “Furnace repair service”.
- 4.9★ from 1,825 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 14548 Manchester Rd, Ballwin, MO 63011
Based in St. Louis, 4 mi away
63/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 494 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 494 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4719 Morgan Ford Rd, St. Louis, MO 63116
Based in St. Louis, 4 mi away
63/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 926 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 926 Google reviews
- Hours
- Mon–Sun 8 AM–9 PM
- Address
- 5804 Hampton Ave, St. Louis, MO 63109
Based in Arnold, 13 mi away
63/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 1,400 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 1,400 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2104 Tenbrook Rd, Arnold, MO 63010
Based in Florissant, 10 mi away
63/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 1,285 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,285 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1955 Washington St, Florissant, MO 63033
Based in Chesterfield, 17 mi away
63/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 4,286 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 4,286 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 245 Chesterfield Industrial Blvd, Chesterfield, MO 63005
Based in Maryland Heights, 8 mi away
63/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 2,541 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 2,541 Google reviews
- Hours
- Mon–Sun 8 AM–9 PM
- Address
- 2550 Harley Dr, Maryland Heights, MO 63043
Based in St. Louis, 1 mi away
63/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 163 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 163 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6544 Southwest Ave, St. Louis, MO 63139
Based in St. Louis, 3 mi away
63/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 2,264 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 2,264 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat–Sun 9 AM–4 PM
- Address
- 7584 Olive Blvd #207, St. Louis, MO 63130
Based in Saint Charles, 15 mi away
62/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 1,348 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 1,348 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2115 S Old Hwy 94, St Charles, MO 63303
Based in Ballwin, 13 mi away
62/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 1,014 Google reviews, listed on Google as “Heating contractor”.
- 5.0★ from 1,014 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 930 Kehrs Mill Rd suite 325-9, Ballwin, MO 63011
Based in Brentwood, 2 mi away
62/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 153 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 153 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2202 S Brentwood Blvd, Brentwood, MO 63144
HVAC contractors ranked #26 to #50
#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 470 ranked HVAC contractors here; the rest are on their profiles.
Also serving Richmond Heights
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 |
|---|---|---|
| Brentwood Heating, Cooling & Duct Cleaning | 5.0★ (2) | 15 mi |
| Central Air Heating and Cooling | 4.8★ (497) | 17 mi |
| Coleman Heating and Sheet Metal | 5.0★ (2) | 12 mi |
| Comfort Experts, Inc | 5.0★ (355) | 20 mi |
| Commercial Kitchen Services | In Richmond Heights | |
| Dee Heating and Cooling | 5.0★ (2) | 4 mi |
| Faszold Heating and Cooling | 4.9★ (873) | 23 mi |
| Hosack Plumbing, Heating & Cooling | 5.0★ (696) | 24 mi |
| Midwest Radiant Heat Inc | 3.0★ (2) | 14 mi |
| Nation-Wide Refrigeration Inc | 5.0★ (2) | 14 mi |
| Nilos, LLC | 5.0★ (2) | 16 mi |
| Optimal Heating and Cooling | 5.0★ (2) | 14 mi |
| Saint Peters Heating & Air Conditioning | 5.0★ (2) | 20 mi |
| Sears Heating and Air Conditioning | 2.0★ (2) | 8 mi |
| SMART St. Louis | 5.0★ (2) | 6 mi |
| Stellar Heating and Air Conditioning | 5.0★ (2) | 14 mi |
| Swiss, LLC | 4.9★ (924) | 24 mi |
| TC Heating and Cooling | 5.0★ (2) | 8 mi |
| The Furnace Guys Heating & Cooling LLC | 5.0★ (123) | 14 mi |
| Welsch Heating & Cooling | 4.5★ (162) | 8 mi |
How much do HVAC contractors cost in Richmond Heights?
National price ranges in USD, not adjusted for Richmond Heights. 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 |
When to hire an HVAC contractor in Missouri
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.
How we ranked Richmond Heights HVAC contractors
We scored 470 Richmond Heights 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 Richmond Heights 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 |
HVAC contractors in Richmond Heights: frequently asked questions
Who is the best HVAC contractor in Richmond Heights?
By CR Score, the highest-ranked HVAC contractor in Richmond Heights, MO is Hoffmann Brothers with a CR Score of 66/100. It has 4.9★ from 10,949 Google reviews. It is open 7 days a week. Classic Aire Care (#2) and Hoffmann Brothers (#3) follow. We ranked 470 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Richmond Heights?
ContractorsRanked ranks 470 HVAC contractors serving Richmond Heights, MO. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Richmond Heights are open 24/7?
163 ranked HVAC contractors in Richmond Heights post 24/7 hours. The highest-ranked are Classic Aire Care (#2), Hoffmann Brothers (#3) and Rhymes Heating and Cooling (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Richmond Heights work on weekends?
305 of 470 ranked HVAC contractors post Saturday hours and 256 post Sunday hours. The highest-ranked open Saturdays are Hoffmann Brothers (#1), Classic Aire Care (#2) and Hoffmann Brothers (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in Richmond Heights?
AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Richmond Heights. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Richmond Heights HVAC contractors have?
The median Google rating among 470 rated HVAC contractors in Richmond Heights is 4.9★, with a median of 23 reviews. Hoffmann Brothers has the most, 10,949 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
When is the best time to hire an HVAC contractor in Richmond Heights?
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.
How does ContractorsRanked rank HVAC contractors?
Each HVAC contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Richmond Heights
- October 2026: CR Scores recalculated for 470 hvac contractors serving Richmond Heights.
- October 2026: 3 duplicate listings merged.
More HVAC contractors and Richmond Heights pages
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- Window installers in Richmond Heights200 ranked
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- Insulation contractors in Richmond Heights59 ranked
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