What should I do if the Dark Guard has no ventilation ducts?

Some of the house designs that are encountered sometimes are particularly troubling, one of which is the absence of windows in the bathroom, and the most hateful thing is that there is no public ventilation. There is no window lighting, but it can be solved by installing lights, at most it will cost some electricity. But there are no windows and no ventilation ducts, so what about the ventilation in this bathroom? It can't be directly discharged into the room, it's a headache. Below, I would like to share with you the three solutions given by relevant designers for the dark guard without ventilation pipes, so as to help friends who encounter the problem of dark guards without ventilation pipes. 01 Open the ventilation channel to the outer wall and install the air cap. If one wall of the bathroom is the outer wall of the building, you can directly open a hole on this wall, and then install the air cap, and connect the ventilation fan through the pipe, so that the bathroom can be ventilated and replaced. gas effect. Generally, a hole is opened outward at a position 15 cm below the roof above the bathroom ceiling. The diameter of the opening is recommended to be 160mm, and a hood is installed outside to prevent wind and rain. It is better to choose the special fabric air duct material for the hood. The bathroom can use the air heating Yuba or the fresh air ventilation fan, and it can be connected with a special air duct. This scheme has certain limitations, requiring at least one wall of the sanitation to be the exterior wall of the building, with direct access to the outdoors. In most cases, as long as it is a hidden guard, the general wall will not be the outer wall. Of course, some of the installed bathrooms may have an outer wall, which can be solved by this method. 02 Install a special air duct from the bathroom to the public flue in the kitchen. The public flue in the kitchen can also be used as a ventilation channel for the bathroom. There is no need to consider absorbing fresh air inward. Generally, the bathroom is the same as the kitchen. They are exhausted outward. Breathe in, not inhale. Therefore, it is completely possible to make a special air duct from the bathroom to the public flue of the kitchen to solve the problem of ventilation in the bathroom. The ventilation pipes used generally use rigid PVC pipes, which are erected along the roof, and the elbows are minimized in the middle to ensure smooth smoke exhaust. Be careful not to use a flue port with the kitchen flue pipe, but to open it separately and install a check valve. One end of the bathroom can be connected to an air heater or a ventilation fan. If the dark guard at home is relatively close to the kitchen, it is recommended to use this solution, which is simple and convenient. If the distance between the two is relatively far, it may be more laborious to do. If the air duct also takes up more space and affects the appearance, it is not recommended. 03 The installation of special air ducts from the bathroom to the outdoor ventilation duct equipment is a compromise between the above two solutions, which means that when the dark guard at home has no outer wall and is far from the kitchen, in this case, it is completely possible to use the bathroom from the bathroom. Install special ventilation pipes and lay them to the nearest outdoor area, possibly through the living room or from the bedroom. Also install hoods on outdoor walls. As for the air duct, PVC pipe is still used, which can be laid inside the ceiling without affecting the appearance, and the problem of ventilation and ventilation in the dark guard is solved. The above is a few plans that a designer casually told me. I chose plan 3. The air duct is connected to the outdoors from the nearest bedroom, and a hood is also installed. In order to prevent noise, a silent cotton bag was also installed. seal up. Installed in the ceiling, it is still perfect. However, I also remind everyone here that if you choose to lay a special air duct to the outside, do not leave the air outlet next to the indoor window to prevent the foul gas from floating into the room from the outside, then it will backfire, try to be as far away as possible.

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