Hot water radiators / Green Building & Sustainable Home Renovation Information & Advice

A modern outdoor wood boiler in a snowy rural yard
Wood stove and biomass heat

Outdoor Wood Burning Boilers - Are Centralized Hydronic Heaters Efficient for Home Heating?

...water jacket'. As the wood burns, water in the surrounding tube network absorbs the heat.  A pump then delivers this hot water to nearby houses through  insulated water pipes buried below the frost line. Once the water reaches the house, it passes through a heat exchanger. For homes with existing forced-air systems, a ...