What is the minimum of square feet this unit should be used in?
Dehumidifier sizing charts seems to be all over the map. A previous answer from Frigidaire stated this unit could go up to 3,500 sq. ft. I have a basement that is 1200 sq. ft. by 8 ft high. Would this unit be to big for this space? I'm guessing my basement is somewhere between Moderately Damp and Very Damp. On another site they stated the practical sq. ft. for this unit is 1,200 feet.
your not thinking 3 dimensional , practically speaking, get the bigger unit and if it runs continuously, add a 2nd unit across the room . Weeping or seeping basements will throw off the spec's from the manufacturer.