I use a Coleman Northstar tube type lantern for both heat and light. Makes the one-man flip style shanty pretty comfortable unless it is really cold/windy. Just watch getting your line too close! I thought about a different type of heat, but space is limited and the lantern provides heat and light. I get about 5 or 6 hours out of a tank of fuel. I carry extra mantles and extra fuel if I am going to be out all day.