Most units are intended for double-hung windows. If you have casement windows, consider buying a through-the-wall air conditioner. Make sure your window unit is level so that it drains correctly ...

Before you purchase and install a window air conditioner, you want to know what type of window you have: standard windows that open by lifting them up, slider windows that open to the side or casement ...

but it isn’t impossible to find a solution for a sliding door or casement window. While portable units offer mobility, portable air conditioners are still relatively heavy, weighing around 50 to ...

A window air conditioner is the only way to beat the heat for those who lack the comforts of central air conditioning, especially during a mid-summer heatwave. Advancements in technology have made ...

The quietest ACs are easy to use, reliable, and, of course, less noisy than others Consumer Reports has tested scores of ...

Although air conditioning units are generally subdivided into a number of categories, including window, split and whole house/building units, they still work the same, with the compressor ...

When summer approaches, a window air conditioner can be your best friend, an easy and relatively inexpensive way to transform your room from a sauna into an oasis. And while it may seem like ...

Find the right window air conditioner for your space and you’ll stay cool all summer long—and save a bundle in the process. Our editors and experts handpick every product we feature.