can chose regular AC motor or ECO DC motor automatic bypass is available preheating is available

1, high heat recovery efficiency,

2, can chose regular AC motor or ECO DC motor

3,automatic bypass is available

4, preheating is available

5,intelligent defrost

6,painting is option

7,super slim for small space

8,varied controller

9,CO2 detector is available

10,harmful substance detector is available

heat recovery ventilation, fresh air ventilator