About
The Big Islands Best Solar Hot Water Installers. Locally owned and operated, we've been serving the Big Island community since 1990. We provide quality solar, excavation, and plumbing services at affordable prices. Whether you're looking to reduce the cost of your electricity bill, need to install a new septic system, or plumbing for a remodel or new construction home, you can count on the experts at Drainpipe Plumbing & Solar to ensure the project is done right!