The short answer is YES. The Cool-n-Save air conditioner mister solves a big problem of extreme heat. Most conventional air conditioners are unable to effectively transfer their stored heat into the surrounding air. They work harder and longer to cool the air in your home. Extreme also shortens the life of your compressor and is largely to blame for higher electric bills. This results in your AC unit using much less electricity, lowering your summer cooling bills

Sound too good to be true?  Tulane university did a study of the effect the misting has on AC units

Click to access CNS_Tulane_Study-2018.pdf