| 摘要 |
A forced air circulation heating unit is formed of a U-shaped conduit for placement on the floor of a fireplace and a blower unit including a fan mounted in an insulating housing for forcing air through the conduit to be heated in the fireplace and discharged into a room. The housing has an interior lining of heat and sound insulating material such that the blower unit can be positioned within the fireplace while protecting the fan from heat and reducing noise from the fan. Jets are provided on the conduit to direct streams of air along legs of the conduit toward a base or heating chamber joining the legs in order to force air toward the center of the base and underneath fuel resting on the floor of the fireplace thereby reducing carbon monoxide, facilitating the starting of fires and reducing smoking.
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