Meet the Chimo by Bloomer. Leave it to the Germans to come up with something so practical yet so beautiful. It makes me feel European to make sweeping generalizations about other groups of people by the way. Anyhow, these things mount on any wall and burn ethanol as fuel. There are no emissions, so there's no need to vent anything, let alone have a flue. Brilliant! You can find them at the great online store Lekker. Stay warm this winter the easy way kids.