67
EstablishedUpper Marlboro, MD 20772 4.5(106 reviews)
HVACHeatingA/CCommercial
Upper Marlboro, Maryland · Heating & furnaces
Heating & furnace contractors in Upper Marlboro, MD
8 heating & furnace contractors in Upper Marlboro, out of 9 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 8
- Avg. score
- 50.4
- Scored
- 7
Summary
Data last updatedAs of October 15, 2026, the ProComfort Registry lists 8 heating & furnace contractors in Upper Marlboro, Maryland. Most-listed specialties: air conditioning (8), commercial (2). 7 have enough public signals for a Registry Score, averaging 50.4 out of 100; none scores 70 or higher. Together they hold 293 public reviews on Google, Yelp and Facebook. The highest-scored is Watson's Mechanical Solutions, at 69 out of 100. 3 are Featured for 2026. View Watson's Mechanical Solutions.
Counts come straight from the Registry's records. How the Registry Score works
Featured heating & furnace contractors in Upper Marlboro
66
Established44
DevelopingShowing 1–8 of 8
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
50
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 ratedHeating & furnace contractors in Upper Marlboro: at a glance
- How many heating & furnace contractors are in Upper Marlboro, Maryland?
- As of October 15, 2026, the ProComfort Registry lists 8 heating & furnace contractors in Upper Marlboro, Maryland.
- Who is the highest-scored heating contractor in Upper Marlboro, Maryland?
- By Registry Score, Watson's Mechanical Solutions (Upper Marlboro, MD) ranks first at 69 out of 100, among 7 scored businesses averaging 50.4. 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 Upper Marlboro, Maryland for 2026?
- ProComfort Registry features JD Mechanical Services Heating & Cooling, Alliance Trade Services, Air Engineers Inc.. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are heating & furnace 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: 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