Coal stoves are heating appliances designed to burn coal as a fuel source. They are typically made of cast iron or steel and can efficiently produce heat for homes and buildings. Coal stoves come in various designs, including freestanding models and those that fit into existing fireplaces. These stoves require regular maintenance, such as cleaning out ash and ensuring proper ventilation. While less common today due to the rise of natural gas and electric heating, coal stoves are still used in some areas for their ability to generate substantial heat and their historical significance in home heating.