Do Masonry Heaters have a catalytic converter?
No – catalytic converters work on wood stoves where there is no mass. The catalytic converter is actually a miniature masonry mass that increases the flue temperatures for more complete combustion. In Masonry Heaters the entire structure is a heat storing masonry mass, so the temperature is high enough for a complete burn. Tested Masonry Heaters on an average burn cleaner than all wood stoves – even those equipped with catalytic converters and second only to pellet stoves. What kind of wood do you burn in Masonry Heaters ? You can burn any wood properly dried to less than 20 percent moisture and split to proper size in your Masonry Heater. Size depends upon the heater design – ask your heater designer. Usually two to three inches in diameter minimum to five to six inches maximum. How much wood does a Masonry Heater burn? That depends on the model. Smaller heaters can heat 1000 sq. ft. with 15 pounds of wood two times daily for a total of one cord per season in Western WA. A medium heat
