During today’s visit, performed inspection and maintenance on one attic, air handler and one outdoor heat pump unit. Inspected ductwork for leaks. Inspected operation of zone dampers. Inspected operation of auxiliary. Heat strips. Inspected overall cleanliness of the blower and coil compartments. Found mildew buildup. On the inside of the blower compartment. Photos attached. Recommend ultraviolet lighting. Inspected blower amp draw. changed filter. Inspected temperature heat rise which is in the ideal range. Inspected outdoor heat pump unit electrical components. The system is functioning normally at this time, however, ultraviolet lighting is recommended at this time and an estimate has been sent to the customer to install ultraviolet lighting.