Duncan Heating & AC Sales

Duncan Heating and Air Conditioning has been servicing Greater Lexington, Columbia, SC and the Midlands since 1958. Family owned & operated for over fifty years You can trust the Experts. We provide quality HVAC products, such as heat pumps, and outstanding heating and air conditioning repair & technical services. Our skilled technicians are certified in both commercial and domestic equipment. Duncan Heating and Air Conditioning is a Certified Air Balancing Contractor and has a firm owned Crane for bigger commercial service and installation.