78
StrongSomerville, Massachusetts · Heating & furnaces
Heating & furnace contractors in Somerville, MA
23 heating & furnace contractors in Somerville, out of 33 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 23
- Avg. score
- 49.3
- Scored
- 17
Summary
Data last updatedAs of October 14, 2026, the ProComfort Registry lists 23 heating & furnace contractors in Somerville, Massachusetts. Most-listed specialties: air conditioning (6), ductwork & IAQ (1). 17 have enough public signals for a Registry Score, averaging 49.3 out of 100; 2 score 70 or higher. Together they hold 754 public reviews on Google, Yelp and Facebook. The highest-scored is Green Tech Plumbing & Heating, at 78 out of 100. 4 are Featured for 2026. View Green Tech Plumbing & Heating.
Counts come straight from the Registry's records. How the Registry Score works
Featured heating & furnace contractors in Somerville
73
Strong50
Established14
DevelopingShowing 1–20 of 23
78
StrongSomerville, MA 4.7(397 reviews)
HVACPlumbingHeating
73
StrongSomerville, MA 4.8(42 reviews)
HVACPlumbingHeating
67
Established66
EstablishedSomerville, MA 4.8(69 reviews)
HVACPlumbingHeating
66
Established65
EstablishedSomerville, MA 4.2(7 reviews)
HVACPlumbingHeating
58
EstablishedSomerville, MA 4.5(57 reviews)
HVACPlumbingHeating
54
EstablishedSomerville, MA 4.2(16 reviews)
HVACPlumbingHeating
50
EstablishedSomerville, MA 4.4(5 reviews)
HVACPlumbingHeating
48
Developing45
Developing44
Developing30
Developing30
Developing28
Developing22
Developing14
Developing—
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Not yet ratedHeating & furnace contractors in Somerville: at a glance
- How many heating & furnace contractors are in Somerville, Massachusetts?
- As of October 14, 2026, the ProComfort Registry lists 23 heating & furnace contractors in Somerville, Massachusetts.
- Who is the highest-scored heating contractor in Somerville, Massachusetts?
- By Registry Score, Green Tech Plumbing & Heating (Somerville, MA) ranks first at 78 out of 100, among 17 scored businesses averaging 49.3. 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 Somerville, Massachusetts for 2026?
- ProComfort Registry features Green Tech Plumbing & Heating, A & A Plumbing and Heating, B.M. Holmes Plumbing & Heating, LT Design & Innovations. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are heating & furnace contractors in Somerville, Massachusetts 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