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What are the advantages of a fresh air system？

2023-05-12

1) You can enjoy the fresh air of nature without opening windows;
2) Avoid "air conditioning diseases";
3) Avoid indoor furniture and clothing from getting moldy;
4) Removing harmful gases that can be released for a long time after indoor decoration is beneficial to human health;
5) Recycle indoor temperature and humidity to save heating costs;
6) Effectively eliminate various indoor bacteria and viruses;
7) Ultra quiet;
8) Reduce indoor carbon dioxide concentration;
9) Dust prevention;
open windows to improve air circulation
Opening windows can cause airflow turbulence, which may bring odors from the bathroom and kitchen into the living room and bedroom; The vertical well in the bathroom may produce a peculiar odor and "backflow" phenomenon; The outdoor air carries a large amount of outdoor dust, which affects indoor cleanliness and hygiene; Heating can cause a significant waste of energy and electricity.

Exhaust fan ventilation

Ventilation fans can continuously eliminate indoor odors and cannot fully meet the replacement needs of indoor fresh air; The price is cheap, and the cost of later maintenance is very small; Able to continuously ventilate and exchange air for 24 hours; High noise level; When there is no fresh air introduced, the exhaust resistance increases and the effect is not good. The exhaust fan has a large air volume and a limited range of action.

Air conditioning with fresh air: Wall mounted air conditioning receives air from the air conditioning itself and the external unit, forming a fresh air system between the room and the external unit of the air conditioning; A central air conditioner with fresh air circulates normally indoors, but the disadvantage is that bacteria proliferate extensively at the exhaust outlet, especially in winter when the temperature at the

air conditioning outlet is a hotbed for bacteria; It cannot fully achieve the purpose of sufficient exchange of indoor and outdoor air, and the price is higher than ordinary air conditioning, but overall, it is cheaper than fresh air systems combined with air conditioning.

Air purification
A. Air purifier: It can adsorb particles such as dust in the air, eliminate harmful molecules, and cannot update oxygen.
B. Air freshener: After spraying indoors, it mixes with the original polluted air, which is equivalent to applying a "disguise" to the interior.
C. Air dialysis system: When operating, the air dialysis system has low noise. An exhaust fan is used to exhaust the indoor dirty air, and an induced draft fan is used to introduce the outdoor air into the room through the supply duct. High temperature sterilization, filter screen filtration, and other technologies are used to achieve air purification, and the purified air is delivered to each room.
D. Air disinfectants: They can kill bacteria and microorganisms in the air, but they cannot update oxygen or emit carbon dioxide, and cannot root out indoor air pollution.

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