| 摘要 |
PURPOSE:To provide an air condition capable of preventing a louver from biting a finger, protecting an opening area variable means and providing a good outer appearance. CONSTITUTION:A damper 9 for varying an opening area within a duct 3 in response to an amount of fed air under an operation of a fan 7 is disposed at an upstream side of a louver 8 at a blowing port of a hot air heating device 1. An amount of air of the fan 7 is controlled in a stepwise manner or a continuous manner in response to a heating operation starting time or a room temperature or the like. |
