Pellet Stove Fireplace Pellet stove fireplaces can be found as freestanding models, or they can be installed into existing chimneys that burn wood to give new life to old drafty fireplaces. They operate with a thermostat that measure the temperature of the room and feed pellets into the fire at https://www.fireplacesandstove.com/products/comfortbilt-hp22-n-black-pellet-stove-with-smart-controller