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My A/C works great until I stop.And then it throws out hot air.I had it checked and they said it had plenty of freon.

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I need more infor about your unit, but it sounds like when the cool goes off, the indoor fan continues to run. This would not be hot air, just room temperature air. Check it. If the air is actually hot, either the heat in the unit is also on and you have a heat gain from an outside source.

Posted on Jul 08, 2010


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Posted on Jan 02, 2017


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If this is a A/C issue, sounds like you need to vacuum out the air and replace it with freon and the correct oil. (try letting out some air - out of the valve where you are putting in freon - PUT A RAG AROUND A SMALL ROUND FLAT NOSE DRIFT(PUNCH) AND PUSH IN THE VALVE.. IF JUST HOT AIR COMES OUT.... you have found the issue....keep letting out air until freon comes out..(I had this same issue.. there was A LOT of hot air in my system.?? ... when I got it out.. the system worked GREAT!! ) - . if freon comes out.. stop!! - get vacuum pump and hose set, and get the air out - (you need an experienced tech for this)

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1 Answer

My ac turns on but it only throws hot air it used to throw it cold a few days ago, whats the problem?

Adding a can of freon is not the solution, a system that has too much freon will not work right and there is a chance that you will damage the compressor.
There are low pressure and high pressure switches at work when the system is operating.
You might have a bad switch, leaves or other matter blocking the front condenssor.
Is the system actually full?
It's best to give this problem to a certified A/C mechanic.

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