View visual findings from this job here - https://visionshare.xoi.io/?id=XA-15F7-F39B55AB40B04B0FB27F29B739178884 Customer would Their American standard furnace that is hanging in the drop ceiling above, checked out- The system has not been in use since 2020: * A maintenance is recommended on the equipment as it has not been in used for the past five years * At arrival found the thermostat dead and the batteries is full of corrosion * Replaced the two AA batteries inside of the outdated thermostat * Thermostat display is back on * Check American standard unit in The drop ceiling- It is very hard to remove the door for the furnace as the threaded hanging rod sits directly against it * Inspect both the furnace and blower cabinet of the equipment- The system is clean and clear with no dust or debris inside either cabinets- Equipment equipment appears to be in very good condition * Call for heating on the thermostat: The inducer motor turns on, The pressure and limit switches closed, T