The Trusted Local Experts Houle's Plumbing, Heating & Air Conditioning has been part of the community in Waterville and surrounding areas for over 70 years. We're proud of our reputation for quality work. If you ask around, you're bound to find a family who has worked with us. They'll tell you – we know our stuff. From plumbing repairs and bathroom remodeling to electrical service and the latest in heating and cooling technology, our licensed and experienced technicians are committed to answering your questions directly and honestly and solving your home maintenance needs to your satisfaction.