>>8336496https://www.youtube.com/watch?v=d4FTc3Fa700Masonry heaters are probably the best for heating with wood. Having the cookstove part could be nice if you're into low/smart energy use. Building it with waterpipes inside for water heating is one way to go too. If this type of masonry heater takes up too much space, you could always go for the smaller ones like pic related.
