Can you add Freon to an LG portable air conditioner?

Can you add Freon to an LG portable air conditioner?

You will not be able to add Freon to an LG portable air conditioner without adding a valve, which is why it should be left to the professionals. You should not really have to top up the Freon levels for your LG portable air conditioner, which is why there is no service valve through which …

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