| 摘要 |
The present invention generally provides a system for warming an outdoor surface. The system includes a heat exchange unit to provide heated air for use across the surface to melt snow or ice or to warm, evaporate or distribute water. The heat exchange unit is used to recapture the heated air. The present invention also generally provides a method of warming an outdoor surface. The method comprises the steps of providing heated air across the surface to melt snow or ice or to warm, evaporate or distribute water, recapturing the heated air, and redistributing the heated air across the surface.
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