DB Sales and Service is a leader in the supply and servicing of high efficiency mechanical equipment. We are a manufacturer’s representative and factory authorized service provider for boilers, industrial equipment, HVAC and plumbing products in Southern California. DB Sales is the ideal partner for Southern California organizations seeking to reduce energy costs and comply with state and local emission regulations for new and retrofit boilers, high efficiency chillers, air handlers, industrial equipment, HVAC and plumbing systems. A leading rep firm since 1978, the company partners with manufacturers who share our goals in providing the most environmentally responsible and energy efficient products including high efficiency chiller plants, high-efficiency pumping solutions, high efficiency air handler solutions, boilers, and air-side systems.