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If you are replacing a furnace in a home with a

If you are replacing a furnace in a home with a new one, a condensing furnace make sense, as that unit will condense any time that it is operating due to the temperature difference between the room air and flue gas temperature when you are connecting a condensing boiler to an existing hydronic system, it may or may not condense a good rule of thumb is that a condensing.

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