I posted a while back issues I was having with my air conditioner on my 2017 big horn. Much to my surprise (not) I got a recall notice from heartland in the mail yesterday regarding the air conditioners. So If you have recently purchased a new heartland manufactured rv you may want to check with your ac. My ac would freeze up causing severe condensation in the ceiling also I could not set the temp below 72 degress or it would freeze up.