Gas furnaces have achieved impressive efficiency levels largely through the addition of a second heat exchanger that

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Gas furnaces have achieved impressive efficiency levels largely through the addition of a second heat exchanger that condenses water vapor that would otherwise escape out the exhaust system attached to the furnace. How does this process improve efficiency?

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Chemistry For Engineering Students

ISBN: 9780357026991

4th Edition

Authors: Lawrence S. Brown, Tom Holme

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