Bluestar 1.5 tons is the air conditioner's cooling capacity; 1 ton is equivalent to 12,000 BTUs.An appliance's energy efficiency is indicated by its 5-star rating; a higher star rating denotes more energy efficiency.ACs with inverter technology are renowned for their power-saving features and capacity to modify the compressor speed in response to the cooling demand.The product's unique model identification is IC518VNUR.Features for Cooling Details on particular cooling systems, including turbo cooling, auto mode, sleep mode, and multi-stage filtration.Coolant type of refrigerant, usually R-32 or R-410A, that is used in air conditioners.Display and Control Information about the digital display for settings, the control panel, and the functionality of the remote control.Information about the noise level that the air conditioner produces during operation.