Complete 2 system a/c repair and preventative maintenance check. Found basement system's coil restricted. 2009 system and running 410A refrigerant. The customer wanted options to handle the humidity from the bathroom in the basement. Recommended replacing the restricted coil and adding a dehumidifier to the system. Adding a pass-through return over the door to allow the system to draw the humidity out. Gave the option to upgrade the system to new. Recommend adding a start kit and replacing the main switch in both systems upstairs and on the main level. Recommend comfort club membership. Emailed all estimates to the customer.