What is a Nature’s Comfort Hydronic Wood Furnace?

A hydronic wood furnace is a device that burns wood to heat water for use in forced air or hydronic (water) radiant heating systems

hydronic wood furnace

Nature’s Comfort Outdoor Wood Furnace, “hydronic wood furnace” is the term newly adopted by the American Society for Testing and Materials (ASTM) to more accurately describe what has been called a “wood boiler.”  Use of the term “boiler” suggests these devices operate under pressure and produce steam for heating.  In fact, most wood boilers operate under zero pressure and produce only hot water.

HYDRONIC – Of or relating to a heating or cooling system that transfers heat by circulating a fluid through a closed system of pipes.

WOOD-FIRED BOILER – the term “boiler” typically refers to a device that converts water to steam for the purpose of heating or power generation. In the home heating industry, the term boiler typically refers to a device that produces hot water, not steam. So, a wood-fired boiler is a device that burns wood to produce hot water for home heating. To eliminate this conflict in terminology, the Association for Testing and Materials now refers to “wood-fired boilers” as “wood-fired hydronic furnaces.”

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