How an Outdoor Furnace Works


The Central Boiler® Outdoor Wood Furnace is designed to provide 100% of the heating needs for your home and hot water. You can save up to $10,000 a year in heating costs!* 

The Central Boiler Furnace can be located up to 500 feet away from the home or buildings being heated. 

Heated water from the Central Boiler Furnace is pumped to the home or building through insulated, underground pipes -- the most efficient way to move heat over distances. 

The Central Boiler Furnace is designed to work with any existing heating system. A heat exchanger or direct circulation conveys the heat into a forced-air furnace, boiler, or radiant floor heating system. This gives you normal thermostatic temperature control. 

The Central Boiler Furnace can provide heat for all your domestic hot water by adding a water-to-water heat exchanger. You can turn off your hot water heater and save $30 to $80 or more per month! 

A dual fuel ready option is also available which allows the furnace to be fitted with a fuel oil, natural gas, or propane burner. 

For installation examples and technical illustrations, please visit 

*Square footage heated determines amount of savings.