Pellet Stove Fireplace Pellet stove fireplaces are available as freestanding models or installed in existing chimneys burning wood to breathe new life into old fireplaces that are drafty. They work with a thermostat that measure the temperature of the room and feed pellets into the fire at the right rate. https://www.fireplacesandstove.com/products/wifi-enabled-large-pellet-stove-by-mr-heater