96
ExceptionalSt. Louis, Missouri · Heating & furnaces
Heating & furnace contractors in St. Louis, MO
99 heating & furnace contractors in St. Louis, out of 142 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 99
- Avg. score
- 54.4
- Scored
- 79
Summary
Data last updatedAs of October 14, 2026, the ProComfort Registry lists 99 heating & furnace contractors in St. Louis, Missouri. Most-listed specialties: air conditioning (92), commercial (2). 79 have enough public signals for a Registry Score, averaging 54.4 out of 100; 20 score 70 or higher. Together they hold 10,175 public reviews on Google, Yelp and Facebook. The highest-scored is SmartHouse Heating and Cooling, at 96 out of 100. 26 are Featured for 2026. View SmartHouse Heating and Cooling.
Counts come straight from the Registry's records. How the Registry Score works
Featured heating & furnace contractors in St. Louis
88
ExceptionalSt. Louis, MO 63132 4.8(502 reviews)
HVACHeatingA/C
82
Strong77
Strong77
StrongShowing 1–20 of 99
96
ExceptionalSt. Louis, MO 63130 5.0(458 reviews)
HVACHeatingA/C
91
Exceptional88
ExceptionalSt. Louis, MO 63132 4.8(502 reviews)
HVACHeatingA/C
84
StrongSt. Louis, MO 63123 4.6(368 reviews)
HVACHeatingA/C
83
StrongSt. Louis, MO 63108 4.6(291 reviews)
HVACHeatingA/C
82
StrongSt. Louis, MO 63116 5.0(1,568 reviews)
HVACHeatingA/C
80
StrongSt. Louis, MO 63128 4.9(1,647 reviews)
HVACHeatingA/C
79
StrongSt. Louis, MO 63129 4.9(101 reviews)
HVACHeatingA/C
78
StrongSt. Louis, MO 63123 4.9(135 reviews)
HVACHeatingA/C
77
StrongSt. Louis, MO 63132 4.8(41 reviews)
HVACHeatingA/C
77
StrongSt Louis, MO 4.8(62 reviews)
HVACHeatingA/C
77
StrongSt. Louis, MO 63146 4.5(219 reviews)
HVACHeatingA/C
75
StrongSt. Louis, MO 63129 4.6(703 reviews)
HVACHeatingA/C
74
StrongSt. Louis, MO 63121 4.8(126 reviews)
HVACHeatingA/C
72
StrongSt. Louis, MO 63126 4.7(123 reviews)
HVACHeatingA/C
72
StrongSt. Louis, MO 63104 4.7(19 reviews)
HVACHeatingA/C
72
StrongSt. Louis, MO 63115 4.7(109 reviews)
HVACHeatingA/C
71
Strong71
StrongSt. Louis, MO 63125 4.5(176 reviews)
HVACHeatingA/C
70
StrongSt. Louis, MO 63104 4.9(991 reviews)
HVACHeatingA/C
Heating & furnace contractors in St. Louis: at a glance
- How many heating & furnace contractors are in St. Louis, Missouri?
- As of October 14, 2026, the ProComfort Registry lists 99 heating & furnace contractors in St. Louis, Missouri.
- Who is the highest-scored heating contractor in St. Louis, Missouri?
- By Registry Score, SmartHouse Heating and Cooling (St. Louis, MO) ranks first at 96 out of 100, among 79 scored businesses averaging 54.4. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.
- Which companies are featured in St. Louis, Missouri for 2026?
- ProComfort Registry features SmartHouse Heating and Cooling, Averill Heating & Air Conditioning, Seliga Heating and Cooling, Swifty's Heating and Cooling, Welsch Heating & Cooling. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are heating & furnace contractors in St. Louis, Missouri ranked?
- By Registry Score (0-100, from public reviews, digital presence and reach), with records confirmed by their owners listed first. The full method is at https://procomfortregistry.online/methodology.
What this list includes: businesses whose public category or name points to heating: furnaces, boilers, heat pumps or radiant heat. Tags come from each business's public category and name, so a company can appear under several trades. Heating & furnace contractors across the US