Bi-energy reversible monosplit system for industrial or commercial buildings : Internal unit is double skin 25 mm thickness including stainless steel exchanger with gas fired burner 35 kW for heating and R410A coil working with an external unit air/air 17 kW for cooling. 2 speeds fan for direct blowing or ducted applications. The unit is supplied complete with fume kit and regulation box. (Automatic change over gas heating / electrical cooling).