condenastion or leak in corners?????

im the OP.... Yes, this TT does have Aluminum framing... I woke up sunday morning also with wet corner in the bunk... but I also felt some other corners and they were wet also... the front of the camper inside the two small closets were wet on the corners...also wet on the slide corners... at this point, I think I will mark it off as condensation. I would be surprised if all four corners of this fairly new TT leaked...maybe Im wrong, but doubt it... there was tons of moisture on the windows also...so yes, I would think I suffered from condensation. I just wiped it off...I have a maxx air fan with the rain sensor just installed..maybe I will turn it on at night on low and let it get the moisture out... im just afraid that the furnace will then do double duty..its in the 30s right now at night in the Adirondacks... if I have the fan running it will let all the heat out... or maybe I should just crack open one window? or should I do both, window and exchaust fan? I just hate to waste heat if I don't have to..thanks again