Tools rusting in shed
I have a large shed with a loft. I added insulation and drywall to the lower portion, and installed a small AC/Heater to make it usable as a workshop in the winter and summer months. After doing so, however, all my tools began to rust. I put a humidity meter in and it does have very high humidity (not sure what it was before). I had a ridge vent cut in the top to improve ventilation, but still have the problem. Any suggestions on what I can do, other than just running a dehumidifier 24/7. It just sits on cinder blocks, so I have wondered if the moisture is coming through the floor. Thanks.