Once you have settled down you will realize the impact you will have on your environment. Perhaps not initially but eventually you will notice trees and wood will start to become scarce. You have been using solid wood as fuel in a rather in efficient way. A rocket stove works by concentrating heat and constraining air flow into a small space, creating a small fire storm which more efficiently converts wood fuel into heat. The rocket stove also utilizes very small pieces of wood which would not be very useful in a traditional open fire apart from being kindling.
The rocket stove is a solution to this inefficiency. Made of a large can with metal tubes and insulated with vermiculite or other insulator.
A device such as this allows you to turn twigs and small branches into a way to heat your home, boil water or cook food. this is the majority of your energy expenditure in your home so its a great saving in a long recession, if that’s the storm you are weathering.
It would be interesting if there are designs that contain no metal at all, such as an all fired clay design.
The smaller designs are portable but a little large for longer journeys, where a different solution might be preferable. There are custom built designs just for boiling water.