Upon arrival heat not operational. Blower is not coming on. Blower relay is melted. Wiring is melted. Blower motor is leaking excessive oil. Faceplate of heat exchanger is failed in several areas. This is a potential safety issue. Severe thermal stress and corrosion present throughout. Left unit unplugged due to non operational and safety concerns. Ductwork is in very poor condition. Vapor barrier and duct insulation have completely fallen off in several areas. Unit is a 32 year old Goodman, closet/ground gas/electric split system. HVAC System and ductwork is in very poor condition. Equipment is past designed service life. Recommend system and duct replacement due to age, operating condition/cost of repairs, part availability, safety issues, efficiency and r22 phaseout.