Over 25 Years of Experience in Plumbing & Heating Service Knight’s Plumbing and Heating has been a reliable plumbing company since its establishment in 2007, offering almost 3 decades of expertise for all customers. Doug Knight offers many residential plumbing services, including furnace and AC installs, repairs, and maintenance. We work in Osoyoos and Oliver BC. We are certified and highly trained to perform work of all kinds, from pipe fittings to water heater repair or installation. Our rigorous standards include arriving on time and completing the work with the highest level of integrity, always putting your satisfaction first.