Air conditioning with fresh air Is it useful

Air conditioning with fresh air Is it useful
2020 is a year where you can write a strong sum in history. The epidemic ushered in at the beginning of the year directly affected the industry. The service industry is facing a major reshuffle. However, the attention of the fresh air industry has increased exponentially due to the disaster. This editor does not hear that there is a new air conditioner on the market recently. I can't help but be curious. Is the new air in our family just eliminated?

Then the editor consulted the customer service of the merchant and inquired about the relevant parameter information of the fresh air conditioner, and found that the problem was not as simple as imagined! Is the fresh air conditioner really powerful or hot? We divided into several aspects to analyze whether fresh air conditioning can replace professional fresh air.

Purification level:

To be called fresh air, the filter level is the primary assessment standard. According to the parameters of fresh air conditioning that can be queried at present, the highest filtering effect is only below 95%, which is equivalent to the HEPA10 standard, and some businesses have not even marked the filtering level. It is quite far-fetched to call this kind of filtration effect fresh air. The current professional fresh air filtration level is above HEPA13, the filtration effect can reach 99.97%, and the high-end models can meet the HEPA14 standard. In terms of purification level, fresh air conditioners are obviously more than sufficient and insufficient.

Fresh air volume:

The fresh air volume is a hard indicator to assess whether the machine meets its own needs. Take a room of 20㎡ as an example, with a floor height of 2.7m. If you want to change the air every hour, the fresh air volume must reach more than 60. This is still unmanned. If the number of people in the room increases, a larger amount of fresh air is needed. According to the technical parameters of the fresh air conditioner manufacturers, the fresh air value of the large air volume machine is 90m3 / h, and the fresh air value of the small air volume machine is only 18m3 / h. It is a fantasy to want to achieve the few minutes of full house fresh air that it advertises. It ’s not a false propaganda. Compared with the new wall-mounted fan, the fresh air volume of the small air volume machine can also reach 260m3 / h, and the use of separate rooms does not need to consider the number of people and the area. So in terms of fresh air volume, the fresh air function of fresh air conditioning can only be said that gimmick is greater than practicality.

Energy consumption:

I believe many people have concerns when buying a new fan. Does the new fan consume a lot of power? Is the air that has been cooled down wasted after turning on the new fan after turning on the air conditioner? This is about the difference between two-way flow and one-way flow. Fresh air conditioning is based on the unidirectional flow principle. Fresh air is only introduced into the room from the outside, and a slight positive pressure is formed inside the room, squeezing the original air out of the room. Such a working principle will inevitably lead to increased cooling capacity or heating capacity. The two-way flow is different. The two-way flow can use full heat exchange for heat exchange, and absorb the heat energy of the exhaust air to raise or lower the temperature of the fresh air. In terms of energy conservation and constant temperature, bidirectional flow will indeed have advantages over unidirectional flow. As for power consumption, the professional wall-mounted new fan has a maximum motor power of only 40W, which is really not comparable to an air conditioner starting at 1500W.

Price:

Price is the key factor in deciding choice, and avoiding price to talk about products is just to play hooligans. According to the price of fresh air conditioners currently on the market, the lowest is also 5K +, and the highest is 5 digits upward. The normal price of the same type of air conditioner only needs 1-2K, and the professional wall-mounted fresh air only needs about 2K. The addition of the two pieces is not as good as the price of one fresh air conditioner. In terms of price, fresh air conditioning is really difficult to make people want to buy.

to sum up:

To sum up, the current fresh air conditioners on the market have no advantages in terms of purification level, fresh air volume, energy consumption or price. The new air function it provides is more to increase the selling point of the machine than to increase the customer experience. The only advantage may be that only one hole is required compared to installing air conditioning and fresh air separately. As the so-called Wen Dao has successes, the technical industry has specialization, technological innovation is worth encouraging, but purely to increase profits rather than improve customer experience to develop products is a bit ridiculous.

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