Maintains Comfort with Energy Efficient App - Automatic On/Off. Whether you’re well-acquainted with high temperatures all year long or you only get a few months of unbearable heat, having an affordable, energy-efficient AC unit will bring you more comfort than you could have ever imagined. This is also a great choice for a room designated to peace and quiet, as it has a nearly undetectable quiet operation with a dBA of 55. Lastly, this unit doubles as a heater when the outdoor temperatures decrease. This 5,000 BTU window-mounted AC unit can keep a room up to 150 square feet nice and cool, making it a pristine option for a small windowed room or somewhere out of reach from your central cooling system. It has shorter depth than your typical window unit - about 15 inches - making it a logical alternative for a smaller apartment or condo. With an insanely easy installation process, you’ll have this unit set up and cooling down your day in no time. Therefore, we ensure smooth and satisfactory solar system installation and focus on strong after-sales service support. This mini-split air conditioner has a 12,000 BTU output which will cool down a room of up to 450 square feet, making it an excellent option for a large bedroom, living area, or even a studio space that isn’t reachable by your central air system.