What do you guys do to keep the humidity down in the shop during the summer. I seem to have all kinds of problems with things shrinking when I build during the summer. All of my wood is air dried, usually for a few years before I use it. If I build during the winter I usually don't have any problems with shrinkage when I take whatever it is into the house. I would like to try to keep the doors shut in the shop and run a dehumidifier, but that may get expensive. Would it be better if I kiln dried the wood instead?