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Window Unit Compressor Keeps Cycling Off

Posted on 10/3/26 at 2:47 pm
Posted by Tarps99
Lafourche Parish
Member since Apr 2017
13980 posts
Posted on 10/3/26 at 2:47 pm
I have a 3 year old 12k BTU Midea window unit that appears to have an issue where it will make cold air for a little while then stop. I make sure the coil was clean on the inside and outside. I hear the compressor ramp up then slow down, it will constantly cycle and not cool the room. Outside the coil will blow warm air then slowly switch to cool air outside.

Probably time for a new one.
Posted by Major Dutch Schaefer
Location: Classified
Member since Nov 2011
40197 posts
Posted on 10/3/26 at 9:01 pm to
quote:

Probably time for a new one.


Answered your own question
Posted by Tarps99
Lafourche Parish
Member since Apr 2017
13980 posts
Posted on 10/3/26 at 9:27 pm to
quote:

Answered your own question


Sometimes you just need a little confirmation bias.

You know it is the end of a piece of equipment, but you don’t want to say it is the end for it yourself. So you ask others for their advice.


Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
73609 posts
Posted on 10/4/26 at 10:28 am to
Could be several things but if you dont posses some basic AC knowledge itll be tough to troubleshoot. Pressure switch, freon, thermostat, etc all should be checked.
Posted by Tarps99
Lafourche Parish
Member since Apr 2017
13980 posts
Posted on 10/4/26 at 11:58 am to
quote:

Could be several things but if you dont posses some basic AC knowledge itll be tough to troubleshoot. Pressure switch, freon, thermostat, etc all should be checked.


Just bit the bullet on a new one. Window AC are pretty scarce this time of the year. I was able to find a 12 U shaped Midea at Home Depot for 479. They had one left and it just came in on the truck. The had some larger ones but I don’t want to have to rewire my house for a 240 plug. I am still dealing with a central unit that went out and will probably need a total replacement and duct work. House is old. AC work may exceed what the balance owed on the mortgage.
Posted by OYB
LAPLACE
Member since Dec 2018
526 posts
Posted on 10/7/26 at 8:03 pm to
Tarps,

I know you just bought a 12. Sams also sells Midea and clears them out in the Fall. I buy the 8000 around $200 pricepoint and just store them until I need one.
Posted by Wilson
Metairie
Member since Jul 2011
411 posts
Posted on 10/8/26 at 1:01 pm to
Mine was doing the exact same thing. You need to look on the app and see what it is reporting the ambient temperature as. Mine was reporting too low, so I pulling the thermistor out of the front fins and just let it dangle. That way it always thought it was hot. By the end of the day, my compressor hadn't turned off but my entire unit was completely iced up. I guess it's low on refrigerant and the unit just cycles the compressor on and off so that it doesn't freeze up. Worth a shot.
Posted by oldskule
Down South
Member since Mar 2016
27068 posts
Posted on 10/8/26 at 6:48 pm to
3 years, $300 bucks.....it is time.
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