You might see an EER (Energy Efficiency Ratio) number for your portable air conditioner, which measures the cooling ...

To help you make an informed decision, we'll compare portable and window ACs and highlight their main features so you can decide what makes sense for you.

The best air conditioners efficiently and quietly cool your space. These are the best window and portable units for bedrooms, ...

If you plan on putting your portable AC unit in a sunny space, you should add about 10% to the ideal number of Btus based on the room’s size, says Prouty. If the room gets little to no sun, you ...

Window AC: Portable AC: Installation: Takes 25-35 minutes, can be cumbersome, only fits specific window types: Fairly quick process (10-15 minutes), will fit most windows and openings ...

There is no easy way to transport a window AC from room to room. Once installed, a window unit is usually left untouched until the end of the season. You won’t have access to your window while ...