Pellet Stove Fireplace Pellet stove fireplaces can be found as freestanding models and can also be installed into existing chimneys burning wood to give new life to old drafty fireplaces. They work with a thermostat that determine the temperature of the room and then feed pellets into the fireplace at https://www.fireplacesandstove.com/products/us-stove-5040-compact-pellet-stove