Rex Cauldwell

A third-generation tradesperson, Rex Cauldwell is both a master electrician and master plumber. Cauldwell has an A.A.S. degree in Electronic Engineering and his books "Wiring a House" and "Inspecting a House" are popular industry standards. He is also the author of "For Pros by Pros: Plumbing."

He's also the creator and the main author at https://tankless.review where he covers all the main aspects of choosing the best tankless water heaters, installing, and maintenance.