| 摘要 |
A heating apparatus (10) is provided which is improved in terms of its heating efficiencies over prior commercially available patio heaters. The heating apparatus includes a burner assembly housing (24) containing a burner assembly (22) for igniting fuel from a fuel source. The housing has a perforated wall (28) so that the hot gases inside the housing can escape from the housing interior with the wall heating up so as to radiate infrared heat therefrom. The apparatus has a heat efficiency system (25) which causes substantially all of the heat emanating from the housing to be used for heating a preselected area about the apparatus. The heat efficiency system maximizes the amount of heat that is directed in a generally downward direction into the preselected area below the housing so as to minimize the heat loss and thus the amount of fuel that is necessary for heating the preselected area.
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