We have a suggestion for circulating warm air throughout the TM when boondocking. We carry a portable fan which is very compact and runs on 4 "D" cells. It has variable speeds and a soft blade that won't hurt fingers. Best of all, it is extremely efficient - we place one behind the wood stove in our family room and only replace batteries once a season. They claim 300 hours before changing batteries. We bought ours from
www.westmarine.com where it is model number 1844851 and sells for $19.99. We use it during the summer as well and even carry it when canoe camping in a tent in July and August. -Camp2Canoe