We are also full-time and just store our off season clothing in large rubbermaid tubs with a snap on lid. We do not have any problem, but our bays are lined and insulated. We do however have condensation in the bedroom slide in the area of the bed storage that sticks out into the cold. We use a couple of the damp rid containers ( purchased off-brand at Dollar Tree for $1 each) and they work very well. We also put one in any area that is closed off and air doesn't circulate, like under the dinette seat in the storage area. We change them 3 or 4 times a year. They really help.