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Why use activated carbon in air purifiers?

Why use activated carbon in air purifiers?


If you're looking for an air purifier, you've probably heard a lot of buzz about activated carbon filters, but what exactly are they? Activated carbon filters help to remove odors, gases and other contaminants from indoor air. It is mainly used in HVAC systems (heating, ventilation and air conditioning), but it can also be found in HEPA filters and other devices.

What are the advantages of activated carbon in air purifiers?

Activated carbon filters are great for removing odors and chemicals, as well as heavy metals. They're also good at removing VOCs and pesticides from the air you breathe.

Can you buy a filter with just an activated carbon filter?

You can purchase air purifiers with just an activated carbon filter. These are effective for removing odors and absorbing chemicals from the air, but they do not remove particulate matter like pollen or dust.

If you want to buy an air purifier that filters both particulates and gases, look for one with a combination of filters. Carbon and HEPA (high-efficiency particulate air) are two common combinations as they work together to remove all types of pollutants from your home's atmosphere.

How long do activated carbon filters last?

An air purifier with activated carbon filter  lasts for between 6 months to 1 year. It’s important to remember that carbon filters are not 100% effective, so it is possible for particles of dust and bacteria to pass through the filter. If you notice an increase in the noise level or reduced airflow from your air purifier or if you see a decrease in performance when it comes time for changing the filter, then it’s time to replace it with a new one.

Per page were your questions, answered.

Why are activated carbon filters good?

Activated carbon filters can be used to remove a variety of odors as well as absorb chemicals and other impurities from the air. In some instances, they're more effective than HEPA filters at performing these tasks.

Why are activated carbon filters better than HEPA housings?

HEPA housings must be changed every 3-6 months or so (depending on how often you use it), whereas an activated carbon filter will last for up to two years before needing replacement

Activated carbon filters are good because they remove odors and absorb chemicals.

Air purifiers that use activated carbon filters are good because they remove odors and absorb chemicals.


Activated carbon is a dense, solid material with a high surface area of carbon. Activated carbon can adsorption VOC (volatile organic compound), formaldehyde and other volatile organic compounds from air. Activated carbon filters are suitable for homes or offices and can remove odors from the environment.

You may be wondering why we bothered to write this post in the first place. Well, it’s because we love our readers and want them to know everything there is about activated carbon filters.

We also want people who are just getting started with air purifiers or buying their first one to be able to make an informed decision about their purchase.

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