Pellet Stove Fireplace Pellet stove fireplaces can be purchased as freestanding models or can be fitted into existing wood burning chimneys and give new life to aging drafty fireplaces. They operate by using a thermostat to gauge the room temperature and feed pellets into the fireplace at the right time. https://www.fireplacesandstove.com/products/cleveland-iron-works-wifi-pellet-stove-black