Window AC units are generally more affordable and can be installed by two people in two hours. DIY-ing the job saves you an installation bill of $140 to $500, depending on the type of unit. You can ...

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.

Considering installing air conditioning? Here's what you need to know, and what to avoid ...

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