Unit came missing the part that connects the exhaust tube to the panel you put in the window. Have been going back and forth with the refurbished service center for a month now and have not been able to get the part. Unable to use the unit if I can't...

Bought this refurbished for $150, half of what WallyWorld is charging. Set up the window vent and exhaust tubing and plugged it in...nothing. No power to the unit. 20 minutes and 12 phillips head screws later the problem was apparent. Whoever did the...