Best Window AC Units of 2025: See at CNET Below we'll outline when to change your AC filter and how to swap it the right way to guarantee your AC unit runs properly and efficiently.

If you're installing a window AC into a horizontal sliding window, you may wonder how to tackle the opening above. As you'll see, there's a simple workaround.

Below we'll outline when to change your filter and how to swap it the right way to guarantee your AC unit runs properly and efficiently.

Learn the safest way to install a window AC unit One of the biggest dangers with window AC units is the risk that they’ll fall out and potentially kill someone below.

How to install your portable air conditioner 1. Choose a location near a window and outlet Your portable AC needs several feet of unobstructed floor space so it receives adequate airflow.

Check the owner's manual to see if your window AC unit uses a reusable or disposable filter. Either way you should replace or clean your filter every four to six weeks.

Getting a new AC system for your business requires a lot of thought. When you’re planning for a commercial AC system ...