Replacement warranty. Upon arrival, thermostat was in off mode. Inspected furnace for any obvious issues and found d that the furnace control board was not being powered. Removed door and pushed in door switch to check for power. With door switch pushed in by hand, the system came on. Put bottom door back on and noticed that the door was not pushing the door switch in all of the way as the door switch was hanging lower than it should be. Adjusted door switch for proper height and put door back on. With door on, system now has power. Turned thermostat to heating to check for any other issues. None found or suspected. Bob mentioned he would like a quote to install a ductless mini split in the garage. Photos on file of furnace for humidifier install, aswell as interior and exterior photos for mini split install.