How many HVAC and plumbing companies are in Fullerton, CA?

The ProComfort Registry lists 51 heating, cooling and plumbing businesses serving Fullerton: 50 offering HVAC and 4 offering plumbing (some do both).

What is the average Registry Score in Fullerton?

Rated companies in Fullerton average 48.4 out of 100. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.

How are Fullerton companies ranked?

By Registry Score, with records confirmed by their owners listed first. See https://procomfortregistry.online/methodology for how the score is calculated.