Xiaomi Smart Air Purifier 4

The Xiaomi Smart Air Purifier 4 is a basic model of 2022 and belongs to the company's premium series. The model stands out with its advanced filtration system, which traps 99.97% of particles with a minimum size of 0.3 microns. It consists of three layers and includes an active carbon layer. The system allows you to get rid of dust mites, allergens, bacteria (including staphylococci), viruses (including H1N1), smoke and other odors, animal hair.

It takes 10 minutes to clean a 20 m² room thanks to a good performance of 400 m³/h and all-round perimeter suction. The maximum service area can reach 48 m². Xiaomi Smart Air Purifier 4 supports automatic operation based on readings from high-precision laser sensors. The level of air pollution is displayed on the OLED screen as a color scale along with other indicators. Touch buttons are used for control.

The built-in Wi-Fi module synchronizes the device with the Mi Home (Xiaomi Home) mobile service and provides remote access for setup and control. Among other things, support for Google and Amazon voice assistants is implemented. The noise level at maximum power is quite noticeable (64 dB), and in night mode it does not exceed 32 dB. The manufacturer has taken care of the ease of filter replacement. Its average service life is 6 - 12 months. The cleaning complex consumes about 30 kW per month and is very economical.