So my MES 40 BT is currently being stored in my garage. It rained quite a lot a few days ago. It was humid in my garage. I decided to test my risk for mold. The garage was at 71% RH. It's normally pretty high, at least 60%+. Nothing we can do. But we have no mold problems. So I opened the MES vent wide, put in a hygrometer, and shut the door. I opened my garage door last night to air the basement. The garage RH went down to 56%, but the inside of my MES remained dead on at 71%. And thats without the cover........ So it looks like there is zero migration of humidity in and out of the smoker. That's bad guys. So is having a cover basically pointless as I assume I need to leave my door open? Thats a bummer because I'm sure over the 8 months in the winter the MES is going to accumulate a lot of dust and dingy in the years to come. Other than that, what do you guys do to prevent mold?