78
StrongSomerville, Massachusetts · HVAC
HVAC contractors in Somerville, MA
29 HVAC contractors in Somerville, out of 33 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 29
- Avg. score
- 48.1
- Scored
- 20
Summary
Data last updatedAs of October 14, 2026, the ProComfort Registry lists 29 HVAC contractors in Somerville, Massachusetts. Most-listed specialties: heating & furnaces (23), air conditioning (7), ductwork & IAQ (1), commercial (1). 20 have enough public signals for a Registry Score, averaging 48.1 out of 100; 2 score 70 or higher. Together they hold 758 public reviews on Google, Yelp and Facebook. The highest-scored is Green Tech Plumbing & Heating, at 78 out of 100. 6 are Featured for 2026. View Green Tech Plumbing & Heating.
Counts come straight from the Registry's records. How the Registry Score works
Featured HVAC contractors in Somerville
73
Strong53
Established50
Established24
Developing14
DevelopingShowing 1–20 of 29
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
53
Established50
EstablishedSomerville, MA 4.4(5 reviews)
HVACPlumbingHeating
48
Developing47
Developing45
Developing44
Developing30
Developing30
Developing28
Developing24
Developing22
Developing14
DevelopingHVAC contractors in Somerville: at a glance
- How many HVAC contractors are in Somerville, Massachusetts?
- As of October 14, 2026, the ProComfort Registry lists 29 HVAC contractors in Somerville, Massachusetts.
- Who is the highest-scored HVAC contractor in Somerville, Massachusetts?
- By Registry Score, Green Tech Plumbing & Heating (Somerville, MA) ranks first at 78 out of 100, among 20 scored businesses averaging 48.1. 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, Premier Mechanical, B.M. Holmes Plumbing & Heating, Transaera Inc., LT Design & Innovations. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are HVAC 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: 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