Pellet Stove Fireplace Pellet stove fireplaces are available as freestanding models or installed into existing chimneys that burn wood to bring new life to old drafty fireplaces. They operate with a thermostat that measure the temperature of the room and then feed pellets into the fire at the appropriate rate. https://www.fireplacesandstove.com/products/us-stove-non-electric-pellet-stove-60-lbs-hopper