How many HVAC and plumbing companies are in Seattle, WA?

The ProComfort Registry lists 377 heating, cooling and plumbing businesses serving Seattle: 353 offering HVAC and 65 offering plumbing (some do both).

What is the average Registry Score in Seattle?

Rated companies in Seattle average 44.6 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 Seattle companies ranked?

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