Performed fall tune up on 3 year old Goodman furnace, flushed drain line, changed 1-16x25x1 filter, checked capacitor for inducer motor, checked amp draw of blower motor as well as inducer motor, inspected burners, flame sensor was a little dirty, cleaned flame sensor, checked temperature rise on furnace, recommended coil cleaning on outdoor unit due to vines and dirt build up in condenser coil, also recommended UV protection as well as wet switch to prevent any water damage that may occur due to a clogged drain line, all units and electrical components working properly at this time. No gas or carbon monoxide detected