Our air conditioner, when plugged in, makes a horrific racket. Some sort of manufacturing defect. We can't seem to repair it and it would cost us to ship it back to the seller. It's 200 lbs. In addition, Amazon's policy is that it will not accept marketplace purchases postmarked beyond one week past the ship date. It took more than a week from the ship date to arrive on our doorstep, so we are stuck with this hunk of cr*p.