DND Heating and Air Conditioning LLC is your industry-leading HVAC company in Knoxville, TN and the surrounding areas. We provide a variety of services, including HVAC installation, HVAC repair, residential HVAC, commercial HVAC, AC installation, commercial refrigeration, heating services, heating repair, duct work, and more. We have the skill and experience necessary to serve as your professional HVAC and refrigeration company, offering the highest quality services and customer care in the area. Our mission is to offer our customers competitive pricing; combined with excellent customer service, a stellar work ethic, efficient, reliable response times, and trustworthy practices. We strive to deliver complete customer satisfaction for each and every project, providing quality workmanship, affordable pricing, and excellent customer service.