One Call Heating & Cooling specializes in Commercial and Home Air Conditioning Maintenance, Service, Repairs, Installation. Our fully qualified and experienced HVAC technicians offer 24/7 service. We have been recognized as a market leader in our industry and a trusted service provider for McDonough, Georgia area since 1988. Whether you require an installation, maintenance, repair or just an HVAC service – One Call Heating & Cooling is the air conditioning specialists you can count on. Our team will be able to assist you in moving forward with your air conditioning or heating needs. We are normally the first choice when people search for heating and air conditioning services in the McDonough, Georgia area.