The best window AC units of 2026 are both powerful and energy-efficient. Our top five picks include quiet models from LG, ...

LG’s Dual Inverter Wi-Fi-connected window air conditioner is quiet and super efficient, but LG needs to rethink its strategy of using the same app for every one of its smart appliances. LG’s Dual ...

The best portable air conditioners stand out for faster cooling, lower noise, and improved energy efficiency based on real-world testing.

Portable air conditioners are a versatile alternative to window units because you can easily move them from room to room. Also known as stand-up air conditioners, they take in air from the room around ...