There's a common style of wood stove that's popular with #TinyHouse enthusiasts. They all follow some variation of these, and they're great for quick warmth, but terrible at sustaining heat
Unless you add a water tank or something to the back to act as a thermal mass, the heat will go out fast. Because of the size of logs that can be used, you can't have the fire going for long either
On a cold night, it might be a pain to wake up and add logs