We run the fan on low most of the time and like Steve only use the quick cool feature for a quick cool down. We have never had a freeze up. We do keep the fantastic fan on manual low for ventilation.We have not had to use both A/C's in over 100 degree temps and hope we never will but in temps in the 90's both A/C's on is way to cool for us. Now we normally set the main A/C for around 75 degrees and that is good for us.If we would also turn on the bedroom A/C..fan low it would freeze us out. We give the A/C system high marks.
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