WHAT IS BARREL STOVE? HOW TO USE A DAMPER? Restricts the airflow into the stove. Reduces the airflow into the stove. Leads to slower combustion. Increases airflow into the stove. Boosts stove fire temperature. Barrel stove kit is crafted using high-quality. This steel is specifically chosen for its. Resistance to extreme temperatures. Than the cast iron. Used in the barrel stove ensures that it can handle. Providing a reliable and. Heat Transfer of the barrel stove. The heat produced is transferred to the. Which acts as a. The metal absorbs the heat and radiates it into the surrounding environment.