If you want a lot of background on designing and building an effective “rocket stove” (the core of a masonry heater), you’ll enjoy this: https://batchrocket.eu

If you want a lot of background on designing and building an effective “rocket stove” (the core of a masonry heater), you’ll enjoy this: https://batchrocket.eu/en/building https://batchrocket.eu/en/building