Why is it better to have air conditioning units closer to the ceiling when living in florida?

It's better to have air conditioning units near the ceiling regardless of where you live. Since cool air sinks, air conditioning units are usually near the ceiling so the cool air can spread around the room more. Hope this helped =)

Master planned communities outside of chicago. note: population density means people living in an area per square mile. chicago, an urban and highly populated area has a much more higher density than a desert, amish community, settlement, or nomadic region.