Nuo Leng condensation exhaust heat recovery fresh air fan, with a cooling capacity of 2.4-200KW and a fresh air capacity of 350-13000m3h. Suitable for ambient temperatures of -15-55 ℃, it can provide high-quality constant temperature fresh air for various places. The unit comes with a built-in condensation exhaust heat recovery function, which saves 20% -30% energy compared to ordinary fresh air fans.