company news about How do I know if my car AC filter needs replacing?

6 Signs Your Ford's Cabin Air Filter Needs Replacement
The Cabin Smells Bad. If your air filter is clogged, then you may smell something musty or moldy in your cabin. ...
The Windows Stay Fogged Up. 
The HVAC Is Slow.
The Cabin Is Dusty. 
The Vents Are Noisy. 
The Cabin Contains Allergens and Pollutants.

What happens if you don't change your car AC filter?
A cabin air filter left too long will make your vehicle's HVAC system work harder, which could eventually cause the motor to burn out. Dirty or clogged cabin air filters will also reduce the amount of air flowing from the vents.

How long can I go without changing the AC filter?
How Often Do I Need to Change Out My Air Filter? Generally, most air filter manufacturers and HVAC companies recommend changing your air filter every 90 days, or 3 months. That can change based on where your home is located (ex. dusty, dry climates), if you have any pets, and the age of your system and equipment.