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Why Is My Furnace Filter Black?

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Why Is My Furnace Filter Black?

Is your furnace filter black? 

Don’t worry, you’re not alone. In fact, a lot of people are wondering why their furnace filters are turning black. 

So, what’s the deal? 

Why does this happen, and what can you do about it? 

Keep reading to find out!

There are a few reasons why your furnace filter may be turning black.

Dirt and Debri

The first is simply the buildup of dirt and debris over time.

As your furnace filter traps particles from the air, it can become clogged and turn black.

This is especially common if you don’t regularly clean or replace your filter.

Mold

Another common reason for a black furnace filter is the presence of mold or mildew.

This can be caused by high humidity levels or water leaks in your HVAC system.

Soot

Soot from your furnace’s combustion process can also contribute to a black filter.

This is more likely to occur if your furnace isn’t properly maintained or has an issue with its burners.

So, what can you do about a black filter?

The first step is to regularly clean or replace your furnace filter to prevent buildup and avoid mold growth. 

You may also want to check for water leaks in your HVAC system and consider investing in a dehumidifier if the filter is located in a damp basement.

By taking these steps, you can keep your furnace filter clean and functioning properly.

If you want us to come out and take a look at your furnace give us a call.

Parker Furnace Maintenace by First String Heating

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