Richard J Kinch wrote:
Lloyd E. Sponenburgh writes:


1 HP/hour == 745.7 watt/hour


What's per-hours got to do with it?


But, um... how many watts does it take to dry air?? I dunno.


It depends on how humid the air is going into the compressor.
Around here (St. Louis) it can get pretty wet at times, and the
compressor tank drain can really dump a lot of water from a short
run of the compressor. I have a small unit that doesn't have a
CFM rating, but I think it is good for maybe up to 5 CFM or so.
It has a 1/8 Hp refrigerator compressor on it, and a Freon codenser
coil identical to what would be on a small dehumidifier.
It does an excellent job with a 3-5 CFM continuous load on
the compressor.

Jon