Performed annual furnace maintenance on a split carrier system in basement. Tested system, system running at this time. Turned on thermostat. Ran system, tested system safety features all ok at this time. Blower motor and capacitor have been replaced. Inducer making some more noise than normal, running amps ok for now. Control board ok, no burn marks or loose wires. Mix of duct work under house silver flex sealed and hard pipe taped. System doesn’t have a dedicated surge protection. Tested condensate pump. Working well at this time. Outside where the exhaust is had to unbury the unit. Watch how close the vines get to the unit. And watch how much they grow around the black exhaust pipe. Will look again next visit.