Cleaned & checked 2 gas furnaces. Inspected heat exchanger & flue venting. cleaned burners & flame sensors. Checked voltage & amp draw of motors. Test capacitors. Clean and check 2 humidifiers, replace pads, checked water flow and drains. First floor system: Blower: 1.7/3.0A. Inducer:.08/.23A . Gas pressure: 1.92/3.7 inches water column. Second floor system: Blower: 1.6/2.55 . Inducer: .08/.24A . Gas pressure: 1.9/3.7 inches water column.