With the search for air purifiers and fresh air systems, the heat is getting higher and higher. "What is the difference between the two?" has become a doubt in many people's hearts. Various media such as CCTV have also launched popular science topics, some of which have sparked heated discussions in the industry. The following small series will combine the industry's point of view, from the principle, cost, purification speed, purification effect and other aspects to interpret the two.
First, the air purifier and fresh air system principle comparison
Air purifiers and fresh air systems work differently and belong to different fields. The air purifier is an internal circulation, only to filter the dirty air in the room. Be sure to close the doors and windows. The air quality is relatively clean but there may be oxygen deficiency. The fresh air system is an external circulation. The dirty air in the room is recovered by energy recovery, and the outdoor fresh air is filtered and replaced.
In addition, the two are used in different ways. The air purifier can move freely. The installation of the fresh air system is more strict, the main engine needs to be fixed at a certain position, and the pipe is also punched in the house.
From the perspective of development trends, air purifiers may be a transitional product. It can't realize indoor and outdoor air exchange, and it can't guarantee that PM2.5 will be filtered and the indoors will not be deprived of oxygen. What the market really needs is a product that combines ventilation and purification. The fresh air system with purification function is more satisfying. In view of the mixed quality of fresh air purification products on the market, we compare the mainstream products on the market, Yuanda Clean New Fans. At present, the vast clean fresh air system has been able to achieve a cleansing effect of 1000 times, and the commitment to cleanliness is written in the contract terms. It is expected that such clean fresh air systems will become a demand trend in the future.
Second, is the fresh air system more expensive than the air purifier?
1. A new air system reaches multiple air purifiers
The air purifier can only be used in a single room, and it is not possible to have only one air purifier at home. It is enough to have only one central fresh air system. We use a 180 m2 dwelling, the four-bedroom and two-bedroom units are used as examples. Calculated, to achieve the same level of purification, a new wind system purchase cost is still lower than multiple air purifiers.
2, the late cost of the fresh air system has more advantages
If you compare the post-cost of an air purifier with a fresh air system, you may be biased. Let's take the case of the same set of houses and see how much the cost of using multiple air purifiers and using a new air system is worse. In comparison, the clean fresh air system is more economical than the air purifier in both the electricity cost and the consumable replacement cost, and the later cost is more advantageous.
Remarks: The electricity fee is calculated at 0.6 yuan / kWh
3. Is the purification rate of the air purifier faster than the fresh air system?
From the time point of view, the fresh air system is indeed not as good as the air purifier in the purification speed. But the comparison of this project is not very suitable.
Because the air purifier is only responsible for air purification, the processing steps are much simpler and the air circulation path is shorter, thus taking advantage of the purification speed. The fresh air system is replacing air. The process includes multiple steps such as fresh air introduction, air filtration, energy recovery, indoor stay, and outdoor discharge. The complicated processing steps determine that the purification speed of the fresh air system cannot be accelerated.
Since both of them run continuously for 24 hours, in general, the speed of purification does not have a great impact on the use effect.
4. Is the purification effect of the air purifier better than the fresh air system?
1. The purification load of the fresh air system is higher than that of the purifier
The air treated by the two is different in nature. The air purifier processes the air in a small space, and the total amount of pollution is fixed. As long as it keeps running, the indoor air will be getting cleaner. The object of the fresh air system treatment is the outdoor atmosphere, PM2.5 is always at a high concentration, and the total amount of pollution does not decrease. Therefore, the task of dealing with dirty air in the fresh air system is even more difficult.
Compared with the purification effect, the fresh air system is unfair, because the working principle is different, resulting in the purification load of the fresh air system is higher than the purifier.
2, the fresh air system is more orderly and the purification is more thorough
When the air purifier is working, the fan sucks the polluted air around it, and then purifies the pollutants, thereby achieving the purpose of air purification. Therefore, some dead corners far from the air purifier, where the air circulation does not reach, the air quality cannot be guaranteed. The design of the new style is more professional. The design of the Yuanda Clean Fresh Air System is based on the principle of long path and new wind, and requires maximum extension of the fresh air path. According to the different applicable space, 7 different air duct installation modes, such as far-moving wind, multiple delivery, and delivery, are selected reasonably to form a more scientific, orderly and reasonable airflow organization, and finally achieve more thorough air purification. .
The above is a comparison of some items of air purifiers and fresh air systems. The various advantages of the fresh air system prove that its value is higher than that of the air purifier. Users who want simple and convenient can also choose an air purifier. But choosing a fresh air system can improve indoor air quality more comprehensively and effectively.
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