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How does a High Efficiency Furnace Work?

April 26, 2017efficiency furnace high

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How does a High Efficiency Furnace Work?

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High efficiency furnaces have exhaust fans that regulate the amount of air flow so energy isn’t wasted. They also have an additional heat exchanger which reduces the flue gases thus condensing the amount energy used to heat. You can find more info at: http://www.ehow.com/how-does_4965752_hig…