Upon arrival found filters clean on the system. Inspected blower motor which was clean free of debris. Found the heater kit failed to engage when system was turn to it. Provided options to address with customer. Looking at the coil a lot of rust build up and deteriorating spots no leaks were found at this time. Going to the outdoor unit system is unleveled coil is clean free of debris. Found the capacitor still within correct range. After speaking with the customer about system age and condition contacted manager to come out to provide replacement option for the customer. Customer declined on repairs for now to think things over.