We've spent the last several months testing window air conditioners and portable air conditioners and found that while window units cooled rooms faster, it wasn't that much faster. It's true that ...

To find the best air conditioners to recommend, our team tested more than a dozen units in our homes and offices in bedrooms, rooms with tall ceilings, and windowless spaces. Of the bunch, these are ...

If you've ever installed a window air conditioner, you know it's a hassle. These beasts can weigh over 100 pounds, and there's always the fear it could fall out and squash someone below. You may be ...