A & O Air has been providing heating and air service to Ooltewah and Chattanooga since 1986. We provide heating and air conditioning repair along with installing new units. We would like to thank you for the opportunity to welcome you into the A&O Air family and make you aware of what we have to offer you. We are in the customer service business that provides heating and air conditioning services. At A&O Air, our business philosophy is to provide ultimate comfort levels in your home by educating the client to make amazing decisions. We accomplish this by asking a few simple questions about your problems and offering the best indoor air quality products coupled with energy efficient HVAC systems tailored to your needs.