Heating device used for heating ambient air in foot or bottom portion under desk installed in e.g. terrace, has upper housing portion, and upper cover arranged at upper housing portion between which air is passed

摘要

The heating device (1) has a heating portion and a hollow portion with upper and lower openings. A channel is formed between the openings. An upper planar housing portion (8) is arranged at the region of upper opening of the hollow portion, such that the upper opening of the hollow portion is remained in a free state. Air flow is set between the upper housing portion and the upper cover (9) arranged at the upper housing portion, and the upper opening of the hollow portion is extended along outward direction.