55-40% when outdoor temp is above 80F if your unit is sized properly
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55-40% when outdoor temp is above 80F if your unit is sized properly
50%RH @ 74F shouldn't be hard when it's over 80F outside. Above 90F and sunny, with moderate outdoor humidity, 45%RH should be possible. But equipment sizing plays a major role and system set-up... as well as how leaky the home is. More air leaks allow in more humid outdoor air.