The heat recovery core is formed by cross-laminating and rotating the single-sided corrugated, parallel paper sheets by 90°, with two mutually vertical and non-interfering channels. The fresh air and return air are able to exchange heat and humidity without being mixed when passing the two channels. With the latest technology of Japan, the parallel paper is even and tight, and boasts a heat recovery rate of 80%.

Must-have for haze removal Filtering offers layers of protection. The maximum PM2.5 removal rate is 95%.

Fresh air enjoyed without opening the window The unit is ceiling-mounted in places not that noisesentimental. With all air ports put indoors, it can ensure that air is supplied and discharged evenly and smoothly.