Cleaned & checked gas furnace. Inspected heat exchanger & flue venting. cleaned burners & flame sensor. Checked voltage & amp draw of motors. Test capacitor. Humidifier not used. Blower: 1.8/5.7A . Inducer: 0.55/1.3A . Gas pressure: 1.9 inches water column. Temperature rise: 52 . Supply: 118. Return: 66.