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One Wall-Mounted Fresh-Air Unit Cannot Ventilate the Whole Home
2023-11-08 13:34:15
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A wall-mounted fresh-air unit can ventilate and purify only one room. Even a high-airflow model cannot provide whole-home ventilation because of how positive pressure works.
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If a high-airflow wall-mounted unit is installed in the living room, the fresh air will not flow into the bedrooms because they have no exhaust outlets and are not negative-pressure zones. Likewise, it is incorrect to expect a unit installed in one bedroom to ventilate another bedroom.
To achieve whole-home purification with wall-mounted fresh-air units, one unit must be installed in every room. This arrangement also makes it possible to control the fresh-air volume and supply-air temperature in each room independently.
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010-60770969
Sales Phone/WeChat: 15601000090
Purchasing Management/WeChat: 13331060986
Company Phone: 010-60770969
Address: Room 1708, Building B, Jinyu International Center, Longyu East 1st Road, Huilongguan Street, Changping District, Beijing
©2026 Kelan Filtration Technology(Beijing) Group Co., Ltd. All rights reserved
Record Number: Jing ICP No. 2022016037-2
Technical Support: Suyuan Network
Sales Phone/WeChat: 15601000090
Purchasing Management/WeChat: 13331060986
Company Phone: 010-60770969
Address: Room 1708, Building B, Jinyu International Center, Longyu East 1st Road, Huilongguan Street, Changping District, Beijing
©2026 Copyright Beijing Kelan Fresh Air Technology Co., Ltd. All rights reserved
Record Number: Jing ICP No. 2022016037-2
Technical Support: Suyuan Network
