67
EstablishedUpper Marlboro, MD 20772 4.5(106 reviews)
HVACHeatingA/CCommercial
Upper Marlboro, Maryland · HVAC
HVAC contractors in Upper Marlboro, MD
9 HVAC contractors in Upper Marlboro, out of 9 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 9
- Avg. score
- 50.9
- Scored
- 8
Summary
Data last updatedAs of October 15, 2026, the ProComfort Registry lists 9 HVAC contractors in Upper Marlboro, Maryland. Most-listed specialties: heating & furnaces (8), air conditioning (8), commercial (2). 8 have enough public signals for a Registry Score, averaging 50.9 out of 100; none scores 70 or higher. Together they hold 300 public reviews on Google, Yelp and Facebook. The highest-scored is Watson's Mechanical Solutions, at 69 out of 100. 4 are Featured for 2026. View Watson's Mechanical Solutions.
Counts come straight from the Registry's records. How the Registry Score works
Featured HVAC contractors in Upper Marlboro
66
Established54
Established44
DevelopingShowing 1–9 of 9
69
EstablishedUpper Marlboro, MD 20772 4.6(90 reviews)
HVACHeatingA/CCommercial
67
EstablishedUpper Marlboro, MD 20772 4.5(106 reviews)
HVACHeatingA/CCommercial
66
EstablishedUpper Marlboro, MD 20772 4.7(19 reviews)
HVACHeatingA/C
54
Established50
EstablishedUpper Marlboro, MD 20772 3.7(19 reviews)
HVACHeatingA/C
44
DevelopingUpper Marlboro, MD 20772 4.3(9 reviews)
HVACHeatingA/C
32
DevelopingUpper Marlboro, MD 20773 3.4(37 reviews)
HVACHeatingA/C
25
Developing—
Not yet ratedHVAC contractors in Upper Marlboro: at a glance
- How many HVAC contractors are in Upper Marlboro, Maryland?
- As of October 15, 2026, the ProComfort Registry lists 9 HVAC contractors in Upper Marlboro, Maryland.
- Who is the highest-scored HVAC contractor in Upper Marlboro, Maryland?
- By Registry Score, Watson's Mechanical Solutions (Upper Marlboro, MD) ranks first at 69 out of 100, among 8 scored businesses averaging 50.9. 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 Upper Marlboro, Maryland for 2026?
- ProComfort Registry features JD Mechanical Services Heating & Cooling, Alliance Trade Services, Kelly H.V.A.C. Inc., Air Engineers Inc.. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are HVAC contractors in Upper Marlboro, 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