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What is the difference between a boiler and a furnace?

In Edmonton, both boilers and furnaces are used to provide homes with heat. The difference between a boiler and a furnace is the way in which they heat a home.

A boiler takes water and heats it then circulates this hot water (or steam, in some cases) throughout the house in order to heat it. The hot water is circulated using pipes, radiators and/or radiant floor systems. Once the water has cooled, it is returned to the boiler to be heated and reused in a closed-loop system.

A furnace, on the other hand, heats and distributes air in order to heat a home. This hot air is distributed via ductwork and vents.