Cooling capacity of ABF INVERTER chillers ranges between 11 and 177 kW. ABF INVERTER integrates the features being already part of the ABF system with a few technical pluses furtherly increasing its performances and energy saving. The air cooling system by direct expansion of the gas grants saving up to 50% if compared to the standard chiller + heat exchanger system and up to 35% if compared to the previous ABF line. ABF INVERTER chillers are filled with ecological R407c gas.