不带套11pA home without any ventilation is not recommended for you. For our healthy, the good ventilation is the main part to get the healthy body. Therefore, the air in our room is always fresh.
There are several ways to get the air circulation that are by the window, vent, fan, and exhaust fan. Besides, the sunlight gives us the additional freshness in our home. You should plan your house to have the great ventilation and lighting.
In the bathroom and kitchen, you should install an exhaust fan to remove the bad air like moisture, bacteria, smoke, smelly air, etc. If we go to the office, apartment or hotel, the exhaust fan is always placed in the bathroom since in those building; the air circulation is very minimum.
If you want to build a home, you have to buy the good exhaust fan for your bathroom or kitchen. There are several type or exhaust fan according to where the machine installed. This kind of fan can be placed in the wall or ceiling.
Some brands are available in the store like Panasonic, Fantech, Greenheck, Nutone, etc. the Panasonic is popular in Asia since this kind of brand also produces many electronic tools. Panasonic exhaust fan offers the parallel duct on their product. One duct is the outlet of the bad air, another duct as the inlet for fresh air. You install the product from this kind of brand in your bathroom, kitchen, or other room you want to clean up the air. This makes the continuous circulation in your home. Therefore, you will always get the fresh air in our room. The other advantages is the energy saving. This brand is very concern in energy saving, so many products from Panasonic only need little voltage of electricity. It supports the green movement for our earth.
The internet gives you all information before you buy this kind of tools. This site also gives you all information about exhaust fan and all its types.