Cal Pacific Hydronics was founded by Dan Passanisi of Cal-West Plumbing and George Barros of Pacific Coast Plumbing.

Dan Passanisi started Cal-West Plumbing in 1979 serving all of Norther California, with his primary focus being on Residential, Commercial, and Industrial new construction. Over the last 15 years, Dan has worked hand in hand with Habitat for Humanity and various other charitable organizations, giving back to his community.

George Barros started Pacific Coast Plumbing in 2006, with his specialty being in Radiant heating, Solar Thermal and Water Conservation. George is dedicated to providing sustainable energy alternatives to the public.