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Waltham, Massachusetts · HVAC

HVAC contractors in Waltham, MA

10 HVAC contractors in Waltham, out of 10 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.

Pros
10
Avg. score
63
Scored
10

Summary

Data last updated

As of October 14, 2026, the ProComfort Registry lists 10 HVAC contractors in Waltham, Massachusetts. Most-listed specialties: heating & furnaces (6), commercial (4), air conditioning (4). 10 have enough public signals for a Registry Score, averaging 63 out of 100; 4 score 70 or higher. Together they hold 436 public reviews on Google, Yelp and Facebook. The highest-scored is Genove Oil & Air Inc., at 84 out of 100. 1 is Featured for 2026. View Genove Oil & Air Inc..

Counts come straight from the Registry's records. How the Registry Score works

Showing 1–10 of 10

HVAC contractors in Waltham: at a glance

How many HVAC contractors are in Waltham, Massachusetts?
As of October 14, 2026, the ProComfort Registry lists 10 HVAC contractors in Waltham, Massachusetts.
Who is the highest-scored HVAC contractor in Waltham, Massachusetts?
By Registry Score, Genove Oil & Air Inc. (Waltham, MA) ranks first at 84 out of 100, among 10 scored businesses averaging 63. 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 Waltham, Massachusetts for 2026?
ProComfort Registry features Leblanc Mechanical. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
How are HVAC contractors in Waltham, 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