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Saint Louis, Missouri · HVAC

HVAC contractors in Saint Louis, MO

154 HVAC contractors in Saint Louis, out of 162 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.

Pros
154
Avg. score
40.2
Scored
62

Summary

Data last updated

As of October 14, 2026, the ProComfort Registry lists 154 HVAC contractors in Saint Louis, Missouri. Most-listed specialties: heating & furnaces (124), air conditioning (114), ductwork & IAQ (6), commercial (5). 62 have enough public signals for a Registry Score, averaging 40.2 out of 100; 10 score 70 or higher. Together they hold 7,290 public reviews on Google, Yelp and Facebook. The highest-scored is Meyer Heating & Air, at 93 out of 100. 23 are Featured for 2026. View Meyer Heating & Air.

Counts come straight from the Registry's records. How the Registry Score works

Showing 1–20 of 154

HVAC contractors in Saint Louis: at a glance

How many HVAC contractors are in Saint Louis, Missouri?
As of October 14, 2026, the ProComfort Registry lists 154 HVAC contractors in Saint Louis, Missouri.
Who is the highest-scored HVAC contractor in Saint Louis, Missouri?
By Registry Score, Meyer Heating & Air (Saint Louis, MO) ranks first at 93 out of 100, among 62 scored businesses averaging 40.2. 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 Saint Louis, Missouri for 2026?
ProComfort Registry features Dippel Plumbing & Heating Co., True Comfort Heating & Cooling, St. Louis Heating and Air Conditioning, CK Heating & Cooling LLC, Bennett Heating & Cooling, Amsco Supply. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
How are HVAC contractors in Saint 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: heating, ventilation and air conditioning businesses (furnaces, heat pumps, A/C, climate control). Tags come from each business's public category and name, so a company can appear under several trades. HVAC contractors across the US