Tag Archive: replace furnace

Mar 13

How To Check Your Furnace Heat Exchanger For Leaks

  What Is A Heat Exchanger? A heat exchanger is a device which transfers, or exchanges, heat from one thing to another. In reference to a furnace, or an HVAC system, it has a dual purpose. It keeps any exhaust from entering the living space of your home while allowing the heat from your furnace …

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