The Samsung DUCT S Air Conditioner’s advanced technologies deliver outstanding energy efficiency to save you money, earning it a Global Top-level SEER (Seasonal Energy Efficiency Ratio). The large Sirocco Fan features aerodynamic blades, so it generates more air, with less noise. The compact Flat Micro Heat Exchanger is also extremely efficient, while the Twin Rotary BLDC Compressor reduces vibration, so it’s quieter and more reliable.