Upstairs unit - 2006 3 ton gas r22. Evaporator coil - coil compromised, heavy rust, leaks detected, r22 refrigerant. Blower capacitor is failing and the wheel has build-up. Heatexchanger- early signs of the end of life, orange flickering flames present at burners. Inducer motor very noisey. Attic tent is a makeshift and not secure. Downstairs unit - 5 ton gas furnace 2006, evaporator coil 2020, condenser unit 2012. Blower capacitor is below manufacturer tolerance. Heatexchanger- 2006, early signs of end of life. Blower has dirt buildup on wheel. Condenser unit - heavy pitting and scorching present on primary Electrical control contactor. Failing 70mfd capacitor. After sitting with the homeowner and going over all of the photo and video evidence surrounding the 2 system, expressing the issues present and future (history, age and refrigerant type), knowing there is no manufacturer warranties to help off set the cost of major component replacement and that the upstairs is r22 with l