96
ExceptionalSt. Louis, Missouri
HVAC & Plumbing Pros in St. Louis, MO
142 businesses serve St. Louis. Compare them by Registry Score — reputation, digital presence and reach — with owner-confirmed records listed first.
- Pros
- 142
- Avg. score
- 53.1
- Featured
- 6
Featured · 2026
Featured in St. Louis
88
Exceptional88
ExceptionalSt. Louis, MO 63132 4.8(502 reviews)
HVACHeatingA/C
82
Strong77
Strong77
StrongShowing 1–16 of 16
77
StrongSt. Louis, MO 63125 4.5(299 reviews)
HVACPlumbingCommercial
71
Strong64
EstablishedSt. Louis, MO 63114 4.2(75 reviews)
HVACCommercial
62
Established60
EstablishedSt. Louis, MO 63123 4.2(19 reviews)
HVACCommercial
56
Established54
EstablishedSt. Louis, MO 63125 4.1(5 reviews)
HVACA/CCommercial
51
Established50
Established50
Established48
DevelopingSt. Louis, MO 63134 4.2(1 reviews)
HVACCommercial
47
DevelopingSt. Louis, MO 63110 4.2(5 reviews)
HVACCommercial
43
DevelopingSt Louis, MO 63101 3.9(4 reviews)
HVACHeatingA/CCommercial
36
DevelopingSt Louis, MO 63103
HVACPlumbingCommercial
8
Developing—
Not yet ratedSt. Louis at a glance
- How many HVAC and plumbing companies are in St. Louis, MO?
- The ProComfort Registry lists 142 heating, cooling and plumbing businesses serving St. Louis: 137 offering HVAC and 10 offering plumbing (some do both).
- What is the average Registry Score in St. Louis?
- Rated companies in St. Louis average 53.1 out of 100. 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 for 2026?
- ProComfort Registry features SmartHouse Heating and Cooling, 1St Global Air Duct Cleaning, Averill Heating & Air Conditioning, Seliga Heating and Cooling, Swifty's Heating and Cooling, Welsch Heating & Cooling in St. Louis. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are St. Louis companies ranked?
- By Registry Score, with records confirmed by their owners listed first. See https://procomfortregistry.online/methodology for how the score is calculated.