Posts Tagged ‘high efficiency furnace’
High-Efficiency Condensing Gas Furnaces: The Basics
Condensing gas furnaces look and in many ways act just like conventional furnaces. Like conventional systems, a condensing gas furnace takes in air through a cold air return system, passes it through an air filter, moves it with a circulating fan and heats it with a gas burner. Heat is then extracted within the condensing…
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