Though transom windows fell out of fashion in the 1970s and 1980s, homeowners now are rediscovering how they can add a distinctive touch to a space—not to mention a little more natural light.

Plan ahead and save $300 on the Ktaxon 12,000 BTU Window Air Conditioner at Walmart. ... for starters, and it fits openings from 26 to 36 inches wide and 16 inches in height.

Ktaxon 12000BTU Window Air Conditioner, $329 (was $629) at Walmart. Get it. Of course, you'll want to be certain it's made to fit your window before you buy, so there are a few key points to note.