My shop is heated which keeps the relative humidity down. I have ceiling fans running 24/7/365 to keep the air moving. Pretty simple physics involved; moisture in the air will condense on surfaces that are below the due point temperature. Moving air will evaporate the condensation, but it'll still be in the air. A dehumidifier will remove the moisture from the air. You'll want to oil/coat the surfaces of steel/cast iron. Way oil works well, just brush it on.
I spray my metalworking machine surfaces with LPS 1 non-grease lubricant instead of way oil. That's because I'm lazy and it's quicker to spray it on than paint oil on the surfaces.
Bruce
p.s. Volbeat fan?
