The Basics of a Wood Pellet Stove A pellet stove is heated by wood pellets. Pellets are bought by the bag and then poured into a hopper. The hopper is controlled by an electronic thermostat. The stove is equipped with an air conditioner that circulates warm air into the room. https://www-fireplacesandstove-co24567.csublogs.com/36855437/17-reasons-to-not-not-ignore-good-pellet-stoves