Efficient Cooling and Heating;: 24,000 BTU cools/heats 1500 sq. ft. with 23 SEER2 rating, saving 30% energySmart Control;: Remote Control or Smartphone. Stay comfortable anywhereWhisper-Quiet Operation;: Runs at 58 dB with sleep mode. Ensures peaceful, restful nightsAll-Weather Performance;: Works from -13°F to 131°F with auto-defrost. Reliable in any climateVersatile 5-Mode Functionality;: Auto, cool, dry, heat, and fan modes with 24H timer. Fully customizable