Other than some sloppy caulking work my primary issue is customer service and warranty issues. I have a camper pre-wired for AC but the company will not tell me where the wire terminates and I think it is because they don't know and it was an error in the mfg process. It could be a hazard if this wire was not terminated properly. I asked for no $ just advise in locating the end of the wire. Check out negative reviews on BBB and their own Facebook page. FYI..most folks with RV issues don't report.