Completed 2 system furnace repair and preventative maintenance check. 1 year old operating within manufacturer spec. Find ac unit 16-year-old, operating with worn compressor and start-up stress, the contactor is worn and pitted, evaporator coil rusted and dirty plenums. Ac unit also a phase out R22 equipment by 2020. Find downstairs system furnace 16 years, operating within manufacturer spec, Dirty plenums. Find ac unit 1-year-old operating within manufacturer spec. Both system operating at this time. Suggest to upgrade upstairs ac unit. Suggest upgrade downstairs furnace. Suggest duct cleaning.