5 Signs of a Clogged AC Filter and the Risks It May Pose

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5 Signs of a Clogged AC Filter and the Risks It May Pose
Mature man examining an outflow air vent grid and duct to see if it needs cleaning. One guy looking into a home air duct to see how clean and healthy it is.

Did you know that most homeowners pay between $166 and $598 to repair their AC units? You might not be aware that a clogged AC filter can have negative health repercussions and it can cost you more. We have put together this short guide to share the top signs of a clogged AC filter. 

Keep reading to learn the ins and outs of a dirty AC filter. 

1. You Don’t Remember the Last Time You Changed It

If you have no idea when the last time you changed your AC filter was, then it is probably time to replace the filter before it causes AC problems that lead to needing an AC repair. Keep in mind that even a small amount of dust or dirt will force your air conditioner to run longer. 

It is best to check your filter every month and replace it as soon as you notice dirt. 

2. Sudden High Energy Bill

If you notice a sudden spike in your electric bill then this is a sign of a clogged filter. When the filter is clogged it will interfere with the normal airflow in the air conditioning system. This will also allow dirt to accumulate on the coils and will make your unit work overtime to keep your home cool. 

A clean filter will ensure that your unit does not have to work harder which in turn, will lower your electric bill. 

3. Dusty Air Vents

Whenever you notice any dust around or on the vents you more than likely need to change your AC filter. Take a look at other areas in your home and if you notice that most of the dust is near your vents then you are probably overdue on a filter change. 

4. Overheating

If your unit starts to overheat then you want to change the filter out as soon as possible. Whenever your AC unit has to work harder it runs the risk of becoming too hot and overheating. If the system suddenly shuts down or cycles off and on too frequently then you are dealing with an overheating issue that you do not want to ignore.

5. Frozen Evaporator Coils

Another sign of a clogged AC filter is frozen cooling coils. When there is not enough air moving past the coil to make the condensation disappear it will cause it to freeze up instead. The lack of proper airflow that causes the condensation to freeze will reduce the ability for the AC unit to remove the heat from the air. 

The chances of your air conditioner breaking down from frozen coils is pretty high. 

Say Goodbye to a Clogged AC Filter 

We hope that now that you know the top signs of a clogged AC filter, you can make an informed decision on whether it is time to clean your filter or replace it. 

Did this article come in handy? Feel free to keep browsing for our latest. 

Read More: 5 Tips to Know Before Buying an AC

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