STACK #261 July 2026

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TECH FEATURE

Air purifiers can help improve indoor air quality, but what should you look for when choosing one?This simple guide rounds up the features that matter, and how to find the perfect purifier for a fresher and more comfortable home. Words Bec Summer Why would I need an air purifier? Many people buy an air purifier to help manage allergies, but they're useful for a lot more than just beating the sneezin’ season. Modern homes are often sealed tightly for better energy efficiency, which can allow airborne particles such as dust, pollen, pet dander, smoke, and mould spores to linger indoors. Cooking, cleaning products, and even new furniture can also release pollutants into the air. An air purifier works quietly in the background to help reduce these airborne irritants, making your home feel fresher.

Common airborne irritants

Pollen and allergens

Pet dander

Dust and dust mite debris

Smoke particles

Mould spores

It's important to remember that air purifiers only target particles floating in the air. They won't remove dust that’s already sitting on furniture or solve an existing mould problem, but they can help reduce what you're breathing in. What can an air purifier remove from the air? With the right filters, an air purifier can help reduce many of the aforementioned airborne particles commonly found in homes. If your dog sleeps indoors, for example, a

Cooking odours

Chemical fumes and VOCs

How does an air purifier actually work? Think of an air purifier as a vacuum cleaner for the air. It continuously draws air into the unit, passes it through one or more filters, and releases cleaner air back into the room. This simple process repeats throughout the day, helping to reduce airborne particles over time.

purifier can help reduce airborne pet dander. It may also help minimise smoke particles circulating inside your home, like when you’ve burned the toast. Exactly what an air purifier can capture depends on the filters inside the unit and the quality of the model.

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