This video documents the process of solving a mystery AC problem that left a mechanic stumped. We'll show you the complex diagnostic process that went from "impossible" to "ice cold." Donald Trump ...

Identifying why your window AC isn't blowing cold air is the first step in restoring comfort to your living space. Troubleshooting a window AC unit yourself can help you determine if it's a simple ...

It's always in the middle of a heatwave. Your AC hums to life, but instead of the icy rush you're craving, it pushes out a faint, lukewarm breeze. That's when the dread sets in. Is the unit failing?