A conventional boiler is a type of heating system that uses hot water or steam to heat a home. It is the most common type of boiler used in the United States and is typically found in older homes. The boiler works by heating water in a tank and then circulating it through pipes to radiators, baseboard heaters, or other heat exchangers in the home. Conventional boilers are usually fueled by natural gas, propane, or oil, and are usually more efficient than other types of boilers. They also require less maintenance than other types of boilers, making them a popular choice for many homeowners. Conventional boilers are typically more expensive to install than other types of boilers, but they can provide a more consistent and reliable source of heat. They are also more efficient than other types of boilers, making them a cost-effective choice for many homeowners.