| 摘要 |
PURPOSE:To improve the temperature distribution of indoor air even in the case when a blowing off hot air is weak. CONSTITUTION:In a gas hot air heater 1 which is provided with a louver 9 which is long from side to side and partially opens a hot air outlet 5 in a vertical direction and controls the temperature of hot air blown off from the hot air outlet, a projected part 9f, which projects to the inner part of the hot air outlet 5, is formed in the central part of the louver 9. When the hot air outlet 5 is partially closed, the blowoff direction of the hot air is changed to both sides of the projected part 9f. |
