We keep ours closed also with 2 damprids for any moisture.My bud keeps his air running year round and swears it's the only way to keep mold away,nice if you want a huge light bill,We have never had a problem with mold and don't want it.I do keep fridge running for wifes extra cold storage.I'm putting on maxaire covers this week to help keep out tha li'l critters.Thanks for your replies.
srds
Good Camping