In just five years, The Sunny Plumber has moved into two other states with plans to grow nationwide.

Taking on mechanical work will likely require extra staff and in-depth training for contractors.

Maintenance packages, customer support and technology will all help keep the customers coming back.

Thermal-imaging camera technology proves adept at detecting hard-to-find leaks.

Younger generation learns a different way of managing job sites from the old-timers.

Follow key service intervals, investigate and correct minor problems before they become major headaches.