Before you start scouring the middle aisle, we suggest you cool your heels We've also tested a $249 Aldi Stirling portable air conditioner, but despite its slightly higher price, it actually delivers ...

Last year, when I bought two Midea U window air ... noisy parts—the ones that would rattle away inside your room—stay on the opposite side of your window, insulating your room from the sound.

That’s why, in addition to grading air conditioners on how quickly they cool a room, we rate the noise levels of every ... a windowpane between you and the noisy compressor.