Best in overall customer satisfaction. The NewAir AC-12000E portable air conditioner is one of the most efficient units available, offering reduced energy consumption and increased cooling power thanks to its advanced auto-evaporative system. Specially designed to cool down mid- to large-sized rooms – up to 425 square feet – this air conditioner boasts a powerful 12,000 BTU compressor system in a compact, easy-to-move unit. With built-in air filtration and dehumidification, the AC-12000E not only cools – down to 64°F! – it improves overall air quality so that you can be more comfortable and breath fresher air. Features push button controls, LED display, 24-hour programmable timer, sleep mode, bucket-free design. Ships with remote control, activated carbon filter, 59” exhaust hose, and expandable window kit that fits openings up to 40 inches (additional spacers are available from the manufacturer). Built with R-410a refrigerant for more eco-friendly cooling.