Q: We’ve been in a heatwave, so we’ve had the AC on. When I went outside earlier, I noticed that the outside AC unit wasn’t running. Why is my outside AC unit not turning on? A: During the hot summer ...

The summer heat is just around the corner, and that means HVAC troubles might not be far behind. Here are some quick tips on what you should do when your AC unit stops working during a heat wave.

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 ...