Single system inspection. Maintenance reminder popped up on customer thermostat and wanted in maintained. Filter was new and clean, left new one with customer as it is included in inspection. Cleaned flame sensor, visually inspected equipment for cleanliness. Inspected heat exchanger, checked amp draw on all electrical motors. Checked system in heat and cool however to cold to operate air conditioner at this time. Verified refrigerant in system. Checked electrical components and safeties. System operating beautifully at this time with no suggested repairs.