Why do window ACs actually need a window? On the surface, it feels unnecessary — after all, the unit is clearly designed to blow cold air from the front. Why can't you just set it on the floor like a ...

Add Yahoo as a preferred source to see more of our stories on Google. robertomm / Getty Images Identifying why your window AC isn't blowing cold air is the first step in restoring comfort to your ...

We may earn a commission from links on this page. It’s hot as hell. In fact, Earth broke its own unofficial heat record three times last week for the highest average temperature on the planet. Many of ...