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What are the top ten fresh air systems of 20 19?
The following are the top ten brands of 20 19 fresh air system for reference only.

1.

2. Japan's Panasonic Xinfeng

Germany is far away from dust and fresh air.

4. German Swiss franc fresh wind

5. Xinfeng, Lanshe, France

6. Brown Xinfeng, USA

7. China Zefeng Xinfeng

8. American Bailang Xinfeng

9. China Yuanda Xinfeng

10. The new style of German dreamers

Northenberg fresh air system can discharge indoor pollutants such as formaldehyde, benzene and TVOC without opening the window, and send outdoor fresh air into the room at the same time. So what should I do if I encounter smog? Don't worry, Northenberg's fresh air system is equipped with a powerful purification system. When outdoor air enters the room, it will be filtered many times with high precision to ensure the cleanliness of indoor air!

It is also equipped with a total heat exchange system. When indoor and outdoor air is exchanged, energy exchange occurs to ensure that there is no excessive temperature difference between the air entering the room and the room temperature. Summer is not hot, winter is not cold, and formaldehyde is also solved. At the same time, it ensures our comfort.