In recent years, smog weather has increased in many parts of the country, and it has been increasing and the cycle is prolonging. The advice given by professionals is no less than going out, opening windows, wearing masks, etc. Closed doors and windows will cause indoor carbon dioxide and other polluting and harmful gases to accumulate and endanger human health. In the face of dilemma, some experts suggested adding a fresh air system to the living room. Some people are too troublesome. I think it is enough to buy an air purifier. So, what are the differences between the two devices?
The so-called fresh air, that is, fresh air, the “new air system†is the building electromechanical system that provides fresh air to the living room (building). It consists of a central new air blower (or unit with air handling functions such as air filtration and purification, heating or cooling, It is composed of three parts: humidification or dehumidification, ventilation duct and air inlet (inlet and return air), which can discharge the dirty air in the room to the outside, and filter the fresh air outside and send it indoors.
Air purifiers, also known as "air cleaners" and "air fresheners", are electrical products that can filter, adsorb or decompose various air pollutants and improve air cleanliness. The working principle is that the indoor air is circulated by a fan, and then the filter is used to filter out the pollutants, thereby purifying the air.
The difference between the two is mainly reflected in the following aspects:
Comfort
The fresh air system introduces fresh air into the room through ventilation and replenishes oxygen, thereby improving the comfort of the living space and reducing the amount of pollutants in the air. The advantage is that there is no mixing of fresh air and dirty air, and the noise is relatively small when used. The space for the fresh air system generally includes the bedroom, the living room, etc., but each space requires a separate device.
The air purifier can only circulate and purify the indoor air, and does not input fresh air from the outside into the room, so the comfort is compromised compared with the fresh air system. In addition, some air purifiers are noisy and can easily affect people's sleep when used.
2. Conditions of use
Both the fresh air system and the air purifier have their own applicable conditions, and the fresh air system is suitable for rooms that need to be ventilated but not easy to open windows. However, although it can be ventilated, it needs to be designed in the interior decoration stage. The professional requirements for design and installation are high and must be completed by professionals.
The air purifier is suitable for the room that needs to purify the air in a short time, and has many advantages such as purchasing channels, no need for professional construction and installation, and plug and play.
3. Use cost
The initial installation cost of the fresh air system is relatively high, and it needs to be designed and wired by professionals. The cost is generally calculated according to the actual indoor use area, about 200 yuan per square meter, including design, construction and purchase of fans, pipes, fittings and other expenses. . The price of the online shopping fresh air system is similar to that of the physical store, and the price of the group purchase will be lower.
The price of air purifiers varies greatly depending on the brand, ranging from a few hundred yuan to several thousand yuan. Although it cannot be generalized, the overall price is cheaper than the fresh air system. Yue Gangju
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