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San Marcos, California · HVAC

HVAC contractors in San Marcos, CA

5 HVAC contractors in San Marcos, out of 6 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.

Pros
5
Avg. score
58.5
Scored
4

Summary

Data last updated

As of October 15, 2026, the ProComfort Registry lists 5 HVAC contractors in San Marcos, California. Most-listed specialties: heating & furnaces (3), air conditioning (3), commercial (2). 4 have enough public signals for a Registry Score, averaging 58.5 out of 100; 1 scores 70 or higher. Together they hold 194 public reviews on Google, Yelp and Facebook. The highest-scored is Specialized Mechanical, at 74 out of 100. 2 are Featured for 2026. View Specialized Mechanical.

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

Showing 1–5 of 5

HVAC contractors in San Marcos: at a glance

How many HVAC contractors are in San Marcos, California?
As of October 15, 2026, the ProComfort Registry lists 5 HVAC contractors in San Marcos, California.
Who is the highest-scored HVAC contractor in San Marcos, California?
By Registry Score, Specialized Mechanical (San Marcos, CA) ranks first at 74 out of 100, among 4 scored businesses averaging 58.5. 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 Marcos, California for 2026?
ProComfort Registry features Curley's Home Services, Champion Air Conditioning & Heating. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
How are HVAC contractors in San Marcos, 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