Can I Run My AC Without a Filter? A Florida Tech Explains.

We get it—emergencies happen. One night you might take out and toss a dirty air filter only to realize that you don’t have a replacement filter and the shops are closed.

So, is it really that bad to run an AC without a filter? The short answer: You can get away with running your AC without a filter for a short period of time. However, doing so for longer than 6-8 hours can hurt your system and decrease your home’s indoor air quality.

To help explain our answer, we’ll examine the below questions in this article:

  • What even is the purpose of an air filter?
  • What are some problems that occur when you run an AC without a filter?

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