Question 1

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

Accepted Answer

The ProComfort Registry lists 136 heating, cooling and plumbing businesses serving Oakland: 123 offering HVAC and 25 offering plumbing (some do both).

Question 2

What is the average Registry Score in Oakland?

Accepted Answer

Rated companies in Oakland average 43.7 out of 100. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.

Question 3

How are Oakland companies ranked?

Accepted Answer

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

HVAC & Plumbing Pros in Oakland, CA

Sun Valley Heating & Air Conditioning

Superheat

Timer Heating and Air Conditioning

Zk hvac services