Pellet Stove Fireplace Pellet stove fireplaces are offered as freestanding models or installed in existing chimneys that burn wood to bring new life to old, drafty fireplaces. Pellet stove fireplaces function by using a thermometer in order to measure the room temperature. They then pour the pellets into the fireplace https://www.fireplacesandstove.com/products/castle-serenity-pellet-stove-with-smart-control