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PIQSY

PIQSY Guides

KnowBefore you choose.

Understand the features, trade-offs and buying decisions that matter before you choose.

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Air Purifiers Guides

Start with the decision you are trying to make.

7 researched decisions

Start here

1 decision

Buying guide

Air Purifier CADR vs Room Size: Why the Biggest m² Claim Can Be Misleading

How should I compare purifier room-size claims when manufacturers use different air-change assumptions?

Best for a need

4 decisions

Use-case guide

Best Air Purifier for Allergies: Room Fit, Filtration and Credible Evidence Matter

Which air purifier best fits an allergy-sensitive Australian household once room size, noise and evidence quality are considered together?

Use-case guide

Best Air Purifier for Pets: Dander, Hair and Odours Need Different Strengths

Which purifier best handles the combination of pet dander, loose hair and odours for my room size?

Use-case guide

Best Air Purifier for Bushfire Smoke: Prioritise Clean-Air Throughput, Not Marketing Room Size

Which purifier has the most defensible room-sized particle throughput for bushfire smoke rather than simply the largest advertised m² claim?

PIQSY Picks

Best Air Purifiers in Australia: Match the Purifier to the Room and the Problem

Which air purifier suits my room and air-quality needs?

Solve a problem

2 decisions

Care guide

Air Purifier Smells Bad? What to Check Before Replacing It

Is the smell coming from the room, a loaded carbon/filter stage, a dirty pre-filter or moisture, and when should I replace the filter or stop using the purifier?

Care guide

Air Purifier Filters: Clean, Replace or Leave Alone?

Which part of my air purifier can I clean, which filter should stay dry, and when does the exact main filter need replacing rather than more cleaning?