The plenum is located at the base of your windshield, where your wipers are located. It’s where the air comes from that goes into your heating and cooling system.

Ahh, summer, a time of vacations at the beach or mountains—and sky-high electricity bills as your air conditioner labors ...

Consumer Reports shows you how to get rid of the musty smell from your car's air conditioner. Few things are as welcoming as a car’s AC on a hot summer day.