Upon arrival systems were in working condition. Looking at the indoor units all electrical connections and components are good. Blowers are clean. Coils are clean. Filters are clean. Found biological growth starting to grow in return plenum. Drain lines are clear. Heating componets and safetys are good. Blower capacitor for downstairs was out of tolerance. Recommended we replace it. Customer agreed. Left systems in working condition. Thank you for choosing comfort experts.