Pellet Stove Fireplace Pellet stove fireplaces are available as freestanding models, or they can be installed in existing wood burning chimneys to breathe new life into old fireplaces that are drafty. They work by using a thermostat to measure the temperature of the room and feed pellets into the fireplace https://www.fireplacesandstove.com/products/comfortbilt-hp50s-compact-wood-pellet-stove