Pellet Stove Outdoor Patio Heaters Wood Pellet stove outdoor patio heaters are an elegant and efficient heating option that is efficient in terms of energy and cost. They also feature low production of ash, which decreases the risk of chimney fires and blockage. Pellet stoves have their pros and cons. https://www.fireplacesandstove.com/products/king-mini-pellet-stove-with-remote-2-200-sq-ft