Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Cassidy was an updates editor whose main responsibility is to write and edit ...

Key PointsWindow AC units cool faster, use less energy, and are more cost-effective for long-term use.Portable AC units offer ...

The first time I installed an air conditioning unit—heaving and wedging it with no small effort onto the sill of a fourth-floor bedroom window—I was shocked that more units don’t fall out and plummet ...

With temperatures reaching the high 90s last week, it’s been a fast start to air conditioner season. For those without central air conditioning, window AC units are probably the next best thing. While ...

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

We got our hands on multiple units and looked for models that are quiet, energy-efficient, and easy to install.

Until recently, those of us without central air had to choose between sweltering humidity and loud, cold-inducing frigidity every summer. But the latest window air conditioners are capable of cooling ...

Installing a window air conditioner is typically a straightforward DIY process that can quickly transform a muggy room into a much more comfortable space. If you have any questions about your specific ...

DIYer and woodworker April Wilkerson installs a window AC unit in her workshop for improved cooling.