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Pellet Stoves - Modern Pellet Stoves Modern pellet stoves are designed to fit with modern living spaces. They aren't just efficient, but they also feature a fashionable design. Pellet stoves draw combustion air from the room itself, or via an external duct (depending on the model). The warm air is emitted through an exhaust pipe, which can be run either horizontally or vertically. Innovative combustion optimisation technology Pellet stoves that employ the latest technology for optimizing combustion have an