Performed clean and check on gas furnace and humidifier. Tested t-stat operations and cycled system in heat. Tested humidifier, changed water panel and set for winter, measured temp rise, conducted combustion analysis, cleaned condensate trap and flame sensor, flushed drain line, tested and inspected blower motor assembly and all electrical components. Blower capacitor beginning to weaken but still within range, recommended replacement. Inspected burner tubes and checked filter which does not need changed at this time. Everything is operating within specifications.