A special service rate of $87.50 for a single system service and $65.00 for a second system service will be charged at time of service. After rebate, your cost is just $37.50 for the first and $15.00 for the second. This is an unbeatable deal! Call today to have your air conditioner serviced by the best, Weldon Smith Services Heating & Cooling. No one performs a more comprehensive pre-season air conditioner tune-up. To learn more about preventative maintenance and the benefits of service, go to our preventative maintenance page.