Outdoor wood boilers, known technically as hydronic heaters, can be found across much of rural America. They are popular among the wood burning community because they provide a way to heat with wood while keeping dirt and ash out of the home.
Wood is a plentiful and accessible fuel for many Marylanders. Wood burns relatively clean and comes from a renewable resource —the rural or urban forest. Coal and oil supplies are limited, are not renewable, and the cost of these fuels continue to increase.