Question 1

How many HVAC and plumbing companies are in South San Francisco, CA?

Accepted Answer

The ProComfort Registry lists 24 heating, cooling and plumbing businesses serving South San Francisco: 20 offering HVAC and 6 offering plumbing (some do both).

Question 2

What is the average Registry Score in South San Francisco?

Accepted Answer

Rated companies in South San Francisco average 56.6 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 South San Francisco 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 South San Francisco, CA

Peterson Heating Ventilating

RMI Mechanical Contractors

San Francisco Central Heating Repair & Services

Smith Brothers Appliance & H V Air Conditioning