Quote Originally Posted by Scott Harness View Post
It's probably an "urban myth" I always heard the compressor comes on to keep the parts and the freon lubed-up and fresh during the winter.
that is another good reason for it to be on (does help prolong the life of your seals) but the drier your air the faster fog from the window will evaporate into it, i could show you on a psycrometric chart, but its spring break