Midea MAW12V1QWT U Shaped Window Air Conditioner 12000 BTU, The U-shape design of Midea U Smart Inverter AC uses your window to block noise outside. The highly-efficient inverter system warrants ultra-low noise and vibration, 9x quieter than traditional units with operation as low as 32 dBA.Control Type : Electronic. Clean Filter Indicator Light : Yes. Rated Cooling Amps (AHAM) : 12.17..Refrigerant : R32. Cooling Watts : 1140W.