Boilers Don’t Boil

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Nearly all boilers used for residential heating just make hot water, not steam

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Boilers for heating homes are common in some areas. Not here in Georgia, where I live, but my friends in the colder climates have them.

This type of heating equipment takes a fuel like natural gas or fuel oil, burns it to create heat, and then puts that heat into water circulating through the distribution system. Since it’s called a boiler, naturally it must be heating the incoming water up to the boiling point and creating steam. Right?

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[source: http://www.greenbuildingadvisor.com/articles/dept/building-science/boilers-don-t-boil]


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