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San Leandro, California · Heating & furnaces

Heating & furnace contractors in San Leandro, CA

14 heating & furnace contractors in San Leandro, out of 20 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.

Pros
14
Avg. score
50.6
Scored
11

Summary

Data last updated

As of October 14, 2026, the ProComfort Registry lists 14 heating & furnace contractors in San Leandro, California. Most-listed specialties: air conditioning (7), ductwork & IAQ (1). 11 have enough public signals for a Registry Score, averaging 50.6 out of 100; 1 scores 70 or higher. Together they hold 664 public reviews on Google, Yelp and Facebook. The highest-scored is Comfy Heating & Air Conditioning Inc., at 75 out of 100. 3 are Featured for 2026. View Comfy Heating & Air Conditioning Inc..

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

Showing 1–14 of 14

Heating & furnace contractors in San Leandro: at a glance

How many heating & furnace contractors are in San Leandro, California?
As of October 14, 2026, the ProComfort Registry lists 14 heating & furnace contractors in San Leandro, California.
Who is the highest-scored heating contractor in San Leandro, California?
By Registry Score, Comfy Heating & Air Conditioning Inc. (San Leandro, CA) ranks first at 75 out of 100, among 11 scored businesses averaging 50.6. 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 San Leandro, California for 2026?
ProComfort Registry features Nor-Cal Heating & Air Conditioning, Contra Costa Heating & Air Conditioning, ASAP Heating & Air. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
How are heating & furnace contractors in San Leandro, California 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