Tent Heater

Note: I do not get into town once a week for supplies.

http://www.coleman.com/coleman/colemanco ...
Coleman tent heaters procat is safe if you have a breakdown in the tent.

Coleman 5053A751 Propane Catalytic ProCat Perfectemp with technology INSTAStart $ 84.97
The Coleman 5053A751 Portable ProCat catalytic propane with electronic ignition provides a constant heat, where no other source is available without the danger of open flames. Whether you need an auxiliary heating to power outages or want to heat a garage, shop, tent, boat or ice shanty this cordless heater for use in Interior is ready to go wherever you might need a little heat.

Or
Texsport Propane / Cooker $ 49.99
http://www.amazon.com/gp/product/B000P9IRCYaie=UTF8&tag=learngolf-20&linkCode=as2&camp=1789&creative=9325&creativeASIN=B000P9IRCY

nor, because they both produce enough heat to melt the tissues most tent, better put more blankets and outline, these often produce large amounts of carbon dioxide and carbon monoxide, both are toxic and sink in the air, so you may suffocate in the night.

Mr. Buddy heater in your tent, it has a low oxygen off and you can adapt it to keep a tank-sized grid

I went with a Coleman stove separate, if you have the room.