| 摘要 |
A heat exchanger for an existing fireplace which includes a grate means and air-transporting means in communication with the grate means. The exchanger further includes a blower whereby when the air within the grate means is heated, the blower will move the heated air either outwardly into the room where the fireplace is located or alternatively blow it to another section of the structure. Alternatively, the structure could include within one section of the air-transporting means a supplemental heating means whereby the heat exchanger is useable for heating purposes even in the absence of a fire within the fireplace.
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