Indoor radiant heating systems; underfloor radiant heating systems; enclosed heating units comprised primarily of heating boilers and heat pumps, and also including electronic controllers for heating systems, computer networking hardware, and specially adapted tubes, valves, pipes, and manifolds; water heaters; water heaters for use in wall components; water heaters for use in ceiling components

Water heater and pre-plumbed mechanical components integrated into one stand alone unit that functions directly with radiant panels