The TCL Q-Series Window AC with Heat Pump provides ultra-quiet, powerful cooling and heating with cutting-edge TCL Heat Pump technology that’s over 3X more efficient than traditional window AC with electrical heaters. Achieve up to 32% energy savings with our AI Inverter technology, maintaining a precise temperature within ±1°F for optimal comfort. Actual coverage may vary based on room size and configuration (ceiling height, number of windows, and other varying conditions) and environment factors such as number of occupants, home insulation, etc. 67% heating and 32% cooling energy savings potential, and Up to 3.29x more efficient, when comparing the H12W4KWH Rated Power Input (w), EER, and COP rating to TCL’s 12,000 BTU traditional window AC with electrical heating Rated Power Input (w), EER, and COP rating. Heating efficiency and energy savings will vary with ambient temperature. Heating savings is calculated with an ambient temperature of 47-degrees F with 100% heat pump utilization. Actual results may vary. Performance claims are based on internal laboratory testing conducted in accordance with ISO3744 standards. The actual performance and results of this product may vary based on individual usage, environmental factors, and other variables.