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Alameda, California · HVAC

HVAC contractors in Alameda, CA

14 HVAC contractors in Alameda, out of 19 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.

Pros
14
Avg. score
37.9
Scored
7

Summary

Data last updated

As of October 14, 2026, the ProComfort Registry lists 14 HVAC contractors in Alameda, California. Most-listed specialties: heating & furnaces (7), air conditioning (6), ductwork & IAQ (3), commercial (3). 7 have enough public signals for a Registry Score, averaging 37.9 out of 100; none scores 70 or higher. Together they hold 27 public reviews on Google, Yelp and Facebook. The highest-scored is Comfort Air Mechanical Systems, at 50 out of 100. 1 is Featured for 2026. View Comfort Air Mechanical Systems.

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

Showing 1–14 of 14

HVAC contractors in Alameda: at a glance

How many HVAC contractors are in Alameda, California?
As of October 14, 2026, the ProComfort Registry lists 14 HVAC contractors in Alameda, California.
Who is the highest-scored HVAC contractor in Alameda, California?
By Registry Score, Comfort Air Mechanical Systems (Alameda, CA) ranks first at 50 out of 100, among 7 scored businesses averaging 37.9. 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 Alameda, California for 2026?
ProComfort Registry features Commercial Filter Service. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
How are HVAC contractors in Alameda, 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: 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