Hi there - I have a Kenmore window a/c unit, and we recently moved into a condo with through-the-wall units. Can I swap a through the wall unit with a window unit? Is there any special conversion/installation package I need to get?
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Re: Window to wall unit?
No, actually switching from window to wall is easier that vise versa. I don't know your can size versus the hole in the wall but you may have to enlarge it if its bigger or fill in the space with some wood trim on the outside and some molding or sheetrock on the inside. some insulation wont hurt either . the expandable foam is good for the wall space. Caulking for the cracks. pretty basic stuff. A good way to mount it is to slide the louvered can out and screw it to the wall, then its nice and secure. Unless its a very large and heavy unit, you shouldn't need any support struts on the bottom.
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One thing you will find is most service companies dont work on window units anymore because there is no money to be made in it. These units are very disposable most repairs will exceed the cost of replacement most companies charge $85 to show up and time and material after that. Most people dont want to pay that much money for their window unit. Best advise contact the 1800 # on your kenmore paper work they might be able to help. Sorry for the bad news but most repair service call usually cost betwwen $180 - $250 window units arent much more.
A lot of the newer window units design the outside fan to pickup the condensate water and sling it onto the coil. The evaporative effect makes the unit run more efficiently. They ususally don't spit, but if the unit is running well, otherwise, I would't worry about it.
You CAN put it on the 3rd floor as long as you make sure it's completely secure. One thing I do recommend is building (or buying) a window unit shelf that sits outside the window and the air conditioner sits on it for extra support. The shelf is secured by the window frame.
There are many "how-to" guides to building a window unit shelf all over the internet.
Check your outlet wiring. The polarized outlet has a narrow slot and a wide slot, and a ground hole, of course. Anyways, the narrow slot should be hot. If you put a voltage tester lead into the narrow slot, and the other lead into the grounding hole, you should read line voltage if the grounding hole is grounded properly. If you test the wide slot to ground and get line voltage, you have reversed polarity and must swap (reverse) the lead wires in the outlet to correct the problem.
It is probably the compressor. You will need to check if the compressor is being called to come on. Do you hear the compressor running? If you do, I would remove the unit from the wall or window, and wash it down real good with a hose being careful not to get the electronics wet. If not and the unit sound different than it did before, it's probably time to buy a new one.