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Tustin, California · HVAC

HVAC contractors in Tustin, CA

35 HVAC contractors in Tustin, out of 36 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.

Pros
35
Avg. score
40.6
Scored
23

Summary

Data last updated

As of October 14, 2026, the ProComfort Registry lists 35 HVAC contractors in Tustin, California. Most-listed specialties: air conditioning (23), heating & furnaces (20), ductwork & IAQ (6), commercial (3). 23 have enough public signals for a Registry Score, averaging 40.6 out of 100; 4 score 70 or higher. Together they hold 1,694 public reviews on Google, Yelp and Facebook. The highest-scored is Pro West Mechanical, at 81 out of 100. 7 are Featured for 2026. View Pro West Mechanical.

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

Showing 1–20 of 35

HVAC contractors in Tustin: at a glance

How many HVAC contractors are in Tustin, California?
As of October 14, 2026, the ProComfort Registry lists 35 HVAC contractors in Tustin, California.
Who is the highest-scored HVAC contractor in Tustin, California?
By Registry Score, Pro West Mechanical (Tustin, CA) ranks first at 81 out of 100, among 23 scored businesses averaging 40.6. 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 Tustin, California for 2026?
ProComfort Registry features Pro West Mechanical, MC Duct Cleaning & Chimney Sweep, Apollo Air Conditioning & Heating, Orange Air Conditioning Contractors, OC Air Solutions Heating & Air Conditioning. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
How are HVAC contractors in Tustin, 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