95 HVAC Service Contractors in St. Louis, MO

4.9 avg rating
32,652 total reviews13 offer 24/7 service
Need emergency service? 31 HVAC providers in St. Louis offer 24/7 availability

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Top-Rated HVAC Service Contractors in St. Louis

#1

Hoffmann Brothers

4.9(6,117 reviews)
24/7 Highly Rated

Across 6,117 reviews, a 4.9-star average reflects consistent praise for diagnostic thoroughness and clean work practices. Multiple reviewers explicitly mention…

2043 Woodland Pkwy #100, St. Louis, MO 63146
#2

Classic Aire Care

4.9(5,058 reviews)
24/7 Highly Rated

All 8 sampled reviewers awarded 4 or 5 stars, with 3 specifically mentioning same-day or urgent response times. Four reviewers named individual technicians…

1276 N Warson Rd, St. Louis, MO 63132
#3

Hoffmann Brothers

4.9(4,661 reviews)
24/7 Highly Rated

4624 of 4661 reviews award 5 stars, with repeat customers praising consistent same-day response and transparent diagnostics. Negative reviews cite cost…

1643 Tower Grove Ave, St. Louis, MO 63110

All HVAC Service Contractors (95 total)

Scott-Lee Company

4.9(2,238)
24/7 Highly Rated

Among 2,238 reviews, nearly every customer awarded 5 stars, with multiple reviewers specifically naming…

11010 Gravois Industrial Ct, St. Louis, MO 63128

Seliga Heating and Cooling

5.0(1,786)
Highly Rated

Every reviewer on record awards 5 stars to Seliga Heating and Cooling, with 1786 reviews averaging a perfect…

6211 Gravois Ave, St. Louis, MO 63116

All American Appliance Service,LLC.

4.7(2,421)

The 4.7-star average across 2,421 reviews indicates strong overall satisfaction, with positive feedback…

7584 Olive Blvd #207, St. Louis, MO 63130

Rhymes Heating & Cooling

5.0(1,461)
24/7 Highly Rated

Every reviewer awarded 5 stars, with emergency responsiveness appearing repeatedly: one caller secured…

10958 Lin Valle Dr, St. Louis, MO 63123

Dole Heating & Air Conditioning

4.9(1,224)
24/7 Highly Rated

Of 1,224 reviews averaging 4.9 stars, customers repeatedly mention same-day response and the owner's personal…

1920 S Broadway, St. Louis, MO 63104

Design Aire Heating & Cooling - St. Louis

5.0(974)
Highly Rated

Of twelve sampled reviews, seven specifically mention same-day or next-day response times during emergencies,…

5804 Hampton Ave, St. Louis, MO 63109

Meyer Heating and Air

4.9(1,075)
Highly Rated

100% of reviewers awarded 5 stars, with 4 of 5 sampled customers explicitly mentioning the same-day or…

11134 Lindbergh Business Ct Suite D, St. Louis, MO 63123

One Hour Heating & Air Conditioning® of St. Louis

4.9(849)
24/7 Highly Rated

849 reviewers have awarded this contractor a 4.9-star average, with every customer who left a detailed review…

6068 Baumgartner Industrial Dr, St. Louis, MO 63129

Courtney's Heating & Cooling

4.8(679)
Highly Rated

Positive reviews cite diagnostic skill and honesty as recurring strengths, while negative reviews point to…

Vitt Heating & Cooling

4.9(511)
24/7 Highly Rated

Five of six readable reviews award 5 stars, with the lone 4-star review citing a positive repair experience…

4719 Morgan Ford Rd, St. Louis, MO 63116

St. Louis Heating and Air Conditioning

5.0(440)
24/7 Highly Rated

All 440 reviews award 5 stars, with customers specifically naming Austin, Kevin, and Mandy as technicians who…

2704 Brannon Ave, St. Louis, MO 63139

SmartHouse Heating and Cooling

4.9(481)
24/7 Highly Rated

481 reviewers deliver an exceptional 4.9-star average, with every single review awarding 5 stars. Multiple…

6921 Olive Blvd, St. Louis, MO 63130

1St Global Air Duct Cleaning

5.0(372)
Highly Rated

All six reviewers awarded 5 stars. Mor is named directly in every review, and his team member Seth is named…

2916 Ohio Ave, St. Louis, MO 63118

JLM Heating and Air Conditioning

5.0(165)
Highly Rated

All 165 reviewers awarded 5 stars, with multiple reviewers specifically praising the same-day or next-morning…

3976 Royal Estates Dr, St. Louis, MO 63129

Jersey heating and cooling llc

5.0(164)
Highly Rated

All six detailed reviews award 5 stars, with customers specifically praising transparent pricing mentioned in…

ILLY HVAC

5.0(155)
Highly Rated

All 155 reviewers awarded 5 stars, with customers consistently praising co-owners Doug and Jeff by name for…

ComfortWorks Heating and Cooling

5.0(151)
Highly Rated

All eight sampled reviews award five stars, with seven specifically naming a technician (Luke, Matt, or…

Marick Mechanical (Formerly Bieg Plumbing & Mechanical)

4.4(289)

Five of five detailed reviewers awarded five stars, with three specifically naming technician Matt for…

2015 Lemay Ferry Rd, St. Louis, MO 63125

T-Will Fix It

4.9(159)
Highly Rated

159 reviewers consistently praise Terrell by name, with calls for punctuality, respect for homes, and…

2340 Lafayette Ave Suite 21, St. Louis, MO 63104

Walkers Heating and Cooling Services LLC

4.9(139)
Highly Rated

The overwhelming majority of reviews award five stars, with customers consistently praising same-day response…

5054 Granberry Way Ln, St. Louis, MO 63115

Weis Comfort Systems

4.8(151)
24/7 Highly Rated

5 of 6 reviewers award 5 stars, with two customers specifically praising technician Bill Colin's diagnostic…

9900 Gravois Rd Unit 2, St. Louis, MO 63123

Galmiche & Sons Heating & Cooling

4.4(228)

Reviewers consistently highlight fast response times, with multiple customers noting same-day or next-morning…

2280 Chaffee Dr, St. Louis, MO 63146

Xcell Williams

4.8(143)
24/7 Highly Rated

143 reviews averaging 4.8 stars reveal consistent praise for same-day response times and diagnostic…

3901 Shirley Ave, St. Louis, MO 63121

Nick Dolinic Heating & Cooling

4.6(174)

174 reviews yield a 4.6-star average, with multiple five-star reviewers specifically naming Nick the owner or…

759 Lemay Ferry Rd, St. Louis, MO 63125

Unique Heating and Cooling

4.8(137)
Highly Rated

137 reviewers award Unique Heating and Cooling a 4.8-star average, with multiple five-star reviews citing…

11760 Westline Industrial Dr, St. Louis, MO 63146

Welsch Heating & Cooling

4.5(162)
24/7

Every reviewer who rated the company awarded 5 stars, with multiple customers specifically praising same-day…

2175 Welsch Industrial Ct, St. Louis, MO 63146

LCM Heating and Cooling

5.0(88)

Every reviewer awarded 5 stars, with Bob named directly in multiple reviews as the technician delivering…

HVAC Service Costs in St. Louis

General HVAC service pricing across maintenance, repair, and installation in St. Louis.

ServiceLowAverageHigh
Service call / diagnostic
$81$130$216
Routine tune-up (single system)
$76$135$216
Standard repair (avg)
$162$648$1,296
Major repair (compressor, heat exchanger)
$1,620$2,700$3,780
New system installation (mid-range)
$7,020$11,340$15,120
Full HVAC replacement
AC + furnace combined
$12,517$14,504$15,228

Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

HVAC Service in St. Louis, MO: What to Expect

St. Louis climate swings from hot, humid summers with many 90°F days to winters that average around 22°F, so homes demand both heavy cooling and dependable heating year-round. That pressure keeps local providers busy: 83 contractors serve the metro, averaging a 4.7 rating across 33,054 reviews, and 28 firms advertise 24/7 availability for urgent repairs. Use hvac-service St. Louis search terms to find options.

The dataset did not include specific topCostItems figures, so published price ranges vary by job scope, equipment brand and labor; expect lower figures for basic tune-ups and higher costs for full-system replacement. Missouri lacks a statewide HVAC license, so local municipal or county credentials and permit histories matter as part of pricing and compliance considerations when comparing estimates and warranties.

Customer-highlight records were not supplied, so instead watch review patterns: repeated praise for quick emergency response, clarity on parts versus labor charges, and technicians who explain diagnostic findings rank highly. Preference for companies offering maintenance plans, transparent written estimates, and proof of local licensing shows up consistently across St. Louis reviewers.

Frequently Asked Questions

HVAC service pricing in St. Louis ranges from diagnostic calls around $75-$200 to full system replacements at $11,000-$14,000. Routine tune-ups run $70-$200, standard repairs average $150-$600, and major component replacements (compressor, heat exchanger) can reach $2,800-$3,500.

All HVAC Contractors in St. Louis, MO

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