Cleaned & checked 2 gas furnace. Inspected heat exchanger & flue venting. cleaned burners & flame sensor. Checked voltage & amp draw of motors. Test capacitor. Second floor system: Found run capacitor weak: 22%low. Replaced capacitor and tested amp draw. Check temperature rise. 70. Blower: 5.7 . Inducer: 1.0A . Gas pressure: 3.4 inches water column. Supply: 140 . Return: 70 . First floor system: Blower: w9.4A. Inducer: 1.0A. Gas pressure: 3.4 inches water column. Temperature rise: 57 . Supply: 137 . Return: 80 . Clean and check humidifier, replace pad, checked water flow and drain.