To provide a ventilation blowing device capable of ventilating and blowing indoor air, performing ventilation and blowing operation automatically by operating the ventilation blowing device when detecting toxic substance, and providing a resident with a space allowing him/her to live safely and in a healthy condition by notifying him/her of a ventilation and blowing operation condition of the ventilation blowing device.
In a ventilation blowing device 1 main body ventilating and blowing indoor air or in at least one section outside the ventilation blowing device 1, a toxic substance detection means 2 for detecting toxic substance is provided. The ventilation blowing device is provided with a required ventilation time computation determining means 3 for computing and determining required ventilation time based on a detected value of toxic substance to perform ventilation blowing operation in accordance with the result of the required ventilation time computation determining means 3, and an informing means 4 to notify the informing item determined in advance. It is possible to provide the resident with the space allowing him/her to grasp a ventilation blowing operation condition of the ventilation blowing device and degree of air pollution and allowing him/her to live safely and in a healthy condition.
Tomoyasu Sakaguchi
Hiroki Naito
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