Anybody consider a heater like this for their tub??
http://www.ebay.com/itm/Reddy-...;hash=item1c400bfd3e
http://www.ebay.com/itm/USED-D...;hash=item27e3765a5b
Seems like it would work great...and for not much cash. The fan could be converted to 12volt without too much trouble...and then maybe a liquid propane tank in the front trunk??
Mike