So, how does air conditioning work? Good Question. "As I explain to my students, we're in the transportation business," says Jimmy Manteuffel, an HVAC instructor at the Dunwoody College of Technology.

So how does a typical air conditioning unit work and keep you sane during the heat of summer? The basic concept is that a chemical called a refrigerant loops from inside the home to outside and ...

It’s 95 degrees outside as you drive home from work ... air-conditioning system kicks in. Within an hour, it’s 78 degrees inside your home. You and your family can breathe again. How does ...

Since that might not fix the problem, even temporarily, and even if it does, it won’t be a permanent fix. So let’s go over some basics about how air conditioning works, what might go wrong ...