The best air conditioners efficiently and quietly cool your space. These are the best window and portable units for bedrooms, ...

The Ktaxon 5,000 BTU Window Air Conditioner is now just $150 at Walmart. Shoppers say this window unit can cool off a bedroom "in no time" at all. "Even at low settings, my 130-square-foot bedroom ...

The low-profile window design is excellent for saving space. ... Window air conditioners are becoming less and less noisy, seeing as most of the unit is outside.

The low-profile window design is excellent for saving space. Though not quite as easy to install as portable ones, the installation process is usually quick and hassle-free. There is little to no ...

Many window units are less expensive than portable air conditioners, saving you money. Window air conditioners can generate significantly more cooling power per British thermal unit (BTU). This leads ...