During the humid summer months, your vehicle's AC must provide cool, refreshing air to keep you and your passengers comfortable. There are several reasons why your car's AC might not be blowing cold ...

If your car's air conditioner blew ice-cold air last year but barely cools now, chances are it lost some refrigerant over the winter. That happens in older vehicles when the aging seals contract ...

But think about the ice harvesting business ... and some heat pumps are little more than air conditioners that can switch their cold side and hot side via a reversing valve.