72
StrongCatonsville, Maryland · HVAC
HVAC contractors in Catonsville, MD
10 HVAC contractors in Catonsville, out of 11 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 10
- Avg. score
- 51.4
- Scored
- 5
Summary
Data last updatedAs of October 14, 2026, the ProComfort Registry lists 10 HVAC contractors in Catonsville, Maryland. Most-listed specialties: heating & furnaces (6), air conditioning (4), commercial (1). 5 have enough public signals for a Registry Score, averaging 51.4 out of 100; 1 scores 70 or higher. Together they hold 204 public reviews on Google, Yelp and Facebook. The highest-scored is Lee Brothers Contracting, at 72 out of 100. 2 are Featured for 2026. View Lee Brothers Contracting.
Counts come straight from the Registry's records. How the Registry Score works
Featured HVAC contractors in Catonsville
28
DevelopingShowing 1–10 of 10
72
StrongCatonsville, MD 21228 4.8(59 reviews)
HVACHeatingA/C
60
Established59
EstablishedCatonsville, MD 21228 4.5(103 reviews)
HVACHeatingA/C
38
DevelopingCatonsville, MD 21228 3.3(11 reviews)
HVACPlumbingHeating
28
Developing—
Not yet rated—
Not yet rated—
Not yet ratedCatonsville, MD 21228
HVACHeatingA/C
—
Not yet rated—
Not yet ratedCatonsville, MD 21228
HVACPlumbingHeatingCommercial
HVAC contractors in Catonsville: at a glance
- How many HVAC contractors are in Catonsville, Maryland?
- As of October 14, 2026, the ProComfort Registry lists 10 HVAC contractors in Catonsville, Maryland.
- Who is the highest-scored HVAC contractor in Catonsville, Maryland?
- By Registry Score, Lee Brothers Contracting (Catonsville, MD) ranks first at 72 out of 100, among 5 scored businesses averaging 51.4. 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 Catonsville, Maryland for 2026?
- ProComfort Registry features Lee Brothers Contracting, M. S. HVAC Contractors. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are HVAC contractors in Catonsville, Maryland 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