☆DXF Heat Recovery Ventilator Fresh Air adopts high heat-transfer and high water penetrated efficiency board wing style heat recovery ventilator inside as a heat recovery component to achieve leading heat exchange rate in the industry. 

☆Adopt low noise centrifugal fans with the features of small, high efficiency, low noise, long circle life etc, and can change speed by external VFD. 

☆Air volume ranges from 600m3/h to 6000m3/h with wide application, all models set season transition bypass damper inside to avoid unnecessary heat recovery in the non-air-season. . 

☆The interface of the specially designed LCD controller is user-friendly, with great convenience. Initial filter is set aside flash air / exhaust air in the chiller. 

☆Flame retardant materials are adopted for temperature preservation, to prevent externally and internally in the over hot or over cold weather condition.