The room is only 8' by 12' bedroom. I bought it used. Should I leave it on for an hour or so to see what it does
Haier window air conditioner is not cooling to desired temperature after the filter has been cleaned and put back in.
You should have at least 5,500 BTU's for that size room. Clean the filter. Turn it on and let it work for a few hours.
MY HAIER ROOM AIR CONDITIONER DISPLAYS AN E1 CODE AND DOES NOTHING
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