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How to Know When to Change the Filter on Your Vacuum Cleaner

Sådan ved du, hvornår du skal skifte filteret på din støvsuger

Your vacuum cleaner works hard to keep your home clean, but did you know that its filter plays a vital role in ensuring top performance? A clogged or worn-out filter doesn’t just reduce suction power—it can also release dust back into the air. That’s why keeping on top of filter changes is one of the simplest ways to maintain your vacuum and ensure a healthier home environment.

Why Is My Vacuum Losing Suction?

One of the most noticeable signs that it’s time to change your filter is a drop in suction. If your vacuum isn’t picking up dirt, crumbs, or pet hair as effectively as before—even after checking that the dust bag or container isn’t full—the filter could be clogged. A blocked filter restricts airflow, forcing your vacuum to work harder while delivering weaker results. Replacing or cleaning the filter restores airflow and ensures your vacuum runs at its full cleaning potential.

What Does a Dirty Vacuum Filter Look Like?

A quick visual check is often all you need. If your filter looks dusty, grey, or covered in debris, it’s a clear indicator that it can no longer trap particles efficiently. While some filters can be washed and reused, others should be replaced when they show visible buildup. Regular inspections—about once a month—make it easy to stay on top of vacuum maintenance and prevent long-term damage to your machine.


Why Does My Vacuum Smell?

Does your vacuum smell less than fresh when you switch it on? A dirty filter may be the culprit. Dust, pet dander, and even trapped moisture can accumulate in the filter, leading to lingering odours that spread around your home every time you clean. Swapping in a new filter not only improves suction but also helps your home smell fresher. For pet owners in particular, frequent filter changes are a must to keep odours under control.

Why Is My Vacuum Blowing Out Dust?

Perhaps the most concerning sign of all is dust escaping from your vacuum. If you notice fine particles blowing back into the air or settling on nearby surfaces as you clean, your filter may no longer be sealing properly or is too clogged to function. This is especially problematic for allergy sufferers or households with children. A fresh vacuum filter ensures dust stays trapped where it belongs—inside your machine.

How Often Should I Change My Vacuum Filter?

As a general rule, filters should be checked every 3–6 months, depending on usage and your household environment. Homes with pets, carpets, or allergy concerns may need more frequent replacements.

To make things easy, it’s worth keeping a spare filter on hand so you can swap it out when needed. You can explore the full range of vacuum filters available to find the right match for your model.

Keep Your Vacuum Cleaner Working Like New

Changing your filter regularly is a small step that makes a big difference in your vacuum’s performance and your indoor air quality. Combine this with other simple vacuum cleaner maintenance tips, like emptying the dust bag frequently and checking for blockages, and your machine will serve you reliably for years to come.