Dual system Blue shield protectiion plans for fall maintenance. Both systems have 90% propane gas furnaces and heat pumps. Pulled all washable filters. Filter in upstairs sun deck is still. A pleated 12x12 and replaced. Washed out all filters and set in sun to dry. Downstairs; checked and cleaned flame sensor on American Standard. Opened blower cavity and checked capacitors. Checked and inspected drain and flue. Checked evaporator coil and float switch. Cycled system on and off between emergency heat to check propane and heat to check heat pump in reverse mode. Replaced gas cap after checking propane gas pressure. Heat pump fan motor capacitor reading low at 3.7/5 mfd, with customer permission I replaced it. Checked amp draws inside and outside at starting, high and low speeds. Replaced filters after they were dried. Upstairs; checked and cleaned flame sensor on Amana 90% gas furnace. Opened blower cavity and checked insulation. Checked and inspected drain and flue. Checked evapor