Choose a fresh air system, four common traps to avoid

As people's attention to "air purification" increases, fresh air systems and air purifiers have changed from tall and fashionable products to daily necessities. Air purifiers have been criticized because they can only achieve a small area of air circulation exchange in the house. Therefore, Shanghai decoration design manufacturers feel that a fresh air system that can exchange and purify indoor and outdoor air has gradually become a good choice for people. At present, the public's understanding of the fresh air system is not systematic enough. How to correctly select the fresh air system has become a compulsory skill for us.

Error: The fresh air system can only be installed during renovation

The traditional fresh air system is concealed and beautiful, but the installation is cumbersome, and it needs to cooperate with the decoration. It is not realistic for the average family. If the later transformation or installation works are more massive, the cost-effectiveness ratio is not ideal. And some new after-installation fresh air systems that are easy to install save these troubles. The fresh air purifier has the advantages of both an air purifier and a fresh air system. It also eliminates the installation obstacles of the fresh air system. It does not need to damage the house structure during installation. It is only necessary to open holes on the doors, windows or walls, which is suitable for anyone who wants to add fresh air. Family of purification equipment. Therefore, after-installed fresh air systems are becoming more and more popular.

Error: 200m3/h of fresh air volume is enough. Faced with complex parameters and indicators, it is difficult to sort out the clues. The editor recommends that consumers grasp the key points of purchase, and the filtering efficiency of PM2.5 should not exceed 60 decibels under loud noises. Under the premise of 99%, choose a fresh air purification system with large air volume as much as possible.

False: The ventilation rate determines the freshness of indoor air

General household air purification systems recommend at least 2 to 3 air changes per hour. Although this is not a hard and fast rule, it is obvious that the higher the air exchange rate, the more secure your breathing.

Take the common living environment of a three-person family in the city as an example. The standard two-bedroom and one-living room type has a usable area of 80 square meters and the indoor lifting height is about 3 meters. If the furniture volume is deducted, it is generally calculated as an equivalent 2.5 meters. From 200m3 to 240m3. According to the standard calculation of household air cleaning system that it can change air at least 2 to 3 times per hour, the air cleaning equipment must have at least 400m3/h and a maximum of 720m3/h air volume.

False: the more filters the more effective

Judging the filtering effect of the fresh air purification system is actually to look at the filtering capacity of the filter combination in the fresh air purification system. Nowadays, the air quality is deteriorating. We spend 90% of our time indoors, especially the elderly and children. They spend more time indoors. In addition, their immunity is relatively weak. The quality of the indoor air environment is crucial to them. Important, therefore, choosing a high-quality air purifier has become a top priority. Based on the above descriptions of air conditioning maintenance manufacturers, the factors that need to be considered when choosing a fresh air system are: installation difficulty, air volume, air exchange efficiency per hour, and effective PM2.5 filtration level. In these aspects, fresh air air purifiers do all The industry's relatively good data performance is very worthy of the attention of people who want to buy air purification products for their families, especially the elderly and children.