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You're already familiar with the primary function of a vehicle's air conditioning system, which is to cool the air inside the cabin and keep you and your passengers comfortable on hot days. What you might not be familiar with is the air conditioning system's secondary role in dehumidifying the air. When the A/C is engaged in a car, it removes moisture from the air. When the defroster and air conditioning are running, the cold air from the A/C cools the evaporator, which in turn helps to cool the windshield and draw moisture away from it. This cooling effect, combined with warm air from the heater, creates an ideal environment for clearing ice and fog.
If you weren't aware that the air conditioner helps with defrosting, you wouldn't be alone. On some vehicles, the A/C turns on automatically when you turn on the defroster, but depending on the make and model, you might not know it since not all vehicles will turn on the A/C light despite it being active. In other vehicles, the driver has to manually turn on the air conditioning and the defroster. Check your owner's manual to see if there are notes on how your defroster works.
If there is an issue with the vehicle's A/C system, it can impact the effectiveness of the defroster. Common problems, such as low refrigerant levels, a malfunctioning compressor, or clogged filters, can reduce the system's ability to dehumidify air (as well as the A/C's ability to keep you cool and comfortable on days with high temperatures). If your defroster struggles to clear the windows, it's possible that one of these issues is at play. Have your vehicle's air conditioning and heating system checked by professionals, so you can more quickly and effectively defrost your windshield and windows when needed.
If you need an air conditioning system service in Avon, Colorado or Glenwood Springs, Colorado, we invite you to contact Avon Auto & Truck. We provide a variety of climate control services to keep you comfortable and your vehicle operating at its best. Defrosting is an important safety measure, and it can be frustrating when your vehicle isn't able to clear the windows and windshields in a timely or consistent manner. When you need automotive defrosting repairs, give us a call to schedule an appointment. We'll look over the air conditioner, heater, and vents to identify the cause and perform the proper repairs.
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