Cleaned & checked 2 condensing gas furnaces. Inspected heat exchangers & flue venting. cleaned burners & flame sensors. Checked voltage & amp draw of motors. Test capacitors. Checked filters. Second floor system: Blower: 5.3A. Inducer: 0.4A . Gas pressure: 3.4inches water column. Found oil on second floor furnace due to Freon leak. I pumped down air conditioner system, purged with nitrogen, and repaired leak. Evacuated system and opened service valves. We need to top off the Freon level at next maintenance visit. First floor system: Blower: 7.0A . Inducer: 0.7A . Gas pressure:3.4 inches water column. Clean and check humidifier, replace pad, checked water flow and drain.