I inspected Furnace and ac system to include: R-22 piston -All electrical wiring, motors, and components. -All safeties ok -drain is clear and functional -coils are clean -Refrigerant charge is good Oddb 70 Iddb 72 Contactor was burned and pitted. I replaced Blower motor is starting to fail, recommend Ez- Trap drain protector M Want to get one more year before replacing.