masonry heaters I didn't know what it was when I sat next to it at the Lodge at the top of the Zugspitz Mountain in 1975 but I had to find out. It ran the stoves, heat and the hot water for the whole place on just a little coal. Handy with no roads!
an original design incorporating the efficiency of a rocket stove into the design of a pizza oven This will reduce the amount of fuel and time required to heat your oven and also stops the oven from spewing smoke out constantly. It burns almost perfectly