We have had D & B service and/or repair the air conditioner systems in any of the 3 properties we own in the Branson area. Each time the response has been faster than I had even dared to hope for. Their technicians have been knowledge, polite and cleaned up any mess or debris that may have been made while servicing the unit. I have always felt that their prices are fair and competitive. I have recommended them to neighbors with the utmost confidence that they will receive the same high quality of service and workmanship that we have..