ETA Engineering Pvt. Ltd. launched ductable split air conditioners with R410a refrigerant at Hotel Le Royal Meridian,  hennai recently. Raghunath Seshadri, former AVP – ETA, unveiled the new models at the launch. The range consists of units with capacities of 5.5TR, 8.5TR, 11TR and 17TR. These units come with a 7” HMI touch screen controller with innovative features and are equipped with microprocessor controls for outdoor units, which will minimize the turnaround time for trouble-shooting. These units are BMS compatible using RS482, with the option of connecting four units in parallel