Performed inspection and maintenance on one heat pump units and one outdoor condensing unit. Customers filter did not need to be changed at this time, so a fresh 20 x 20 x 1 filter was left for the customer. Treated drain line and condensation pump. Inspected heat strips, ductwork, and zone damper system. Inspected blower amperage and overall cleanliness of the blower compartment. Inspected outdoor condensing fan motor amperage, capacitor, and Freon level. Washed outdoor condensing unit coils. The system functions normally at this time, and all measurements taken are within specifications.