Furnaces and Boilers | Department of Energy

A central furnace or boiler's efficiency is measured by annual fuel utilization efficiency (AFUE). The Federal Trade Commission requires new furnaces or boilers to display their AFUE so consumers can compare heating efficiencies of various models.

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The Difference Between Boiler vs Furnace Heat | Petro …

The Difference Between Boiler vs Furnace Heat | Petro Home

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Petro Home Services, RI, 02886 - compare Propane, …

Dec 20, 2018 · Boilers heat water very quickly, and like hot water heaters, are available in tanked and tankless versions. However, unlike hot water heaters, some boiler systems come with a hot water storage cylinder. (Note: When it comes to boilers, tanks hold the cold water, while cylinders hold the hot water.)

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Boilers vs Water Heaters: What's the Difference? - Ygrene

Boilers vs Water Heaters: What's the Difference? | Ygrene

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