Add Yahoo as a preferred source to see more of our stories on Google. Best Window AC Units to Keep You Cool in Summer Around 78% of Americans are concerned about rising energy costs but staying in a ...

PHILADELPHIA (WPVI) -- If your home doesn't have central air conditioning, or if you've got some warmer rooms that don't get cool enough, a window unit or portable air conditioner might do the trick.

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 ...