Just noticed today that water is coming out of bottom of furnace. Not much but wondered if anyone knows what it could be. Its an older furnace, just regular kind. Water heater is about 1 foot behind the furnace. I've had the a/c running a lot because of hot weather. Could it have anything to do with the a/c? I checked postings to see if something similar was posted but the last one was ended about 4 months ago and there didn't seem to be any definite answer.

Thanks for any suggestions.