The Windmill AC with WhisperTech inverter technology is an efficient, quiet, eco-friendly, and smart window air conditioner built for today's needs. WhisperTech inverter technology saves up to 40% on energy costs, faster cooling, and quiet operation (9x quieter than traditional units). With curved edges, clean lines, and a low-profile look, Windmill is designed to blend right into your home. The small-sized 8,000 BTU unit cools spaces up to 350 square feet. And comes with the install kit pre-assembled for a fast and easy setup. The iPhone of air conditioning - Forbes. Far nicer than any unit on the market right now - Gear Patrol. Finally, an AC unit that is good-looking - House Beautiful. Best smart air conditioner for simple setup - PC Magazine. Highly recommends, operates quietly and efficiently - Arch Digest. Took mere minutes to chill the space - PureWow.