An inefficient HVAC system should not put your life or business on hold. For family owned and operated O Dell s Heating and Cooling in Knoxville, TN, our clients comfort is the priority. When you hire us for repair or replacement of heating and cooling systems, you can rest assured that you ll get the best value for your money. Your living and working environment will remain comfortable throughout the year. We want to become the trusted HVAC service provider that you can count on every time you need us. We have been serving Knoxville and the surrounding areas since 2002 but our technicians have combined experience of more than 80 years in the HVAC industry. Owners Richard (sales and installation) and Jimmy (service and maintenance) O Dell have 33 and 35 years of experience respectively. Technician and family member Rick has 16 years experience.