We may receive a commission on purchases made from links. A window air conditioner can be a lifesaver in a heatwave, but how do you install one in a horizontal sliding window? Most window air ...

Q: I am renting a small, old home without central air conditioning. I have a window air conditioner, and the past few years I’ve awkwardly filled in the space around it with a large piece of plywood.

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 ...

We may receive a commission on purchases made from links. The Dreo Smart Air Conditioner AC516S is a mobile (on wheels) simple-to-install air conditioner that's smart. This is an air conditioner that ...

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

As is the case for many people, my home cannot be retrofitted with central air. My 100-plus-year-old Brooklyn apartment, which features prominently in my seven years of air quality reporting for WIRED ...