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How to Choose the Right Air Purifier for Your Room

How to choose the right air purifier for your room: PerfectAire guide

Quick answer: start with the size of the room. Most PerfectAire air purifiers cover around 70 to 80m², which suits a lounge, a large bedroom or an open-plan office. If you want faster cleaning in a busy living area, choose a Blissful with a built-in ioniser. If you need the most coverage, look at the Zen, which covers up to 90m².

How do PerfectAire air purifiers work?

Every model works the same way. A fan draws room air into the bowl, where it passes through water mixed with a PerfectAire solution. Dust and other airborne particles are trapped in the water, and fresher air is released back into the room. With a scented solution, the unit freshens the room at the same time.

What changes from model to model is the size of space it is built for, the extras and the look. So those are the three things to decide.

How big is your room?

Measure the length and width of the room and multiply them. A 5m by 4m bedroom is 20m². An open-plan lounge and kitchen is often 40 to 60m². Then match the room to a model:

In a larger home, one unit in each main living area works better than a single unit trying to cover the whole house. Air does not move freely between rooms, especially when doors are closed.

Do you need an ioniser?

The Blissful range has a built-in ioniser. It releases negative ions that attach to positively charged particles such as dust, allergens and smoke. The particles clump together, become heavier and settle out of the air, which speeds up the cleaning. It is worth considering for living areas with a lot of foot traffic, pets or dust.

Would a light be useful?

The Blissful and Zen models have a soft blue LED light. Many people use it as a night light in a child’s bedroom, or for a gentle glow in a lounge or study. If you are sensitive to light while you sleep, check the product page before you buy and choose a model without a light for the bedroom.

Which finish suits your space?

  • Bliss: compact, in colours including Woodlands, Paradise, Steel Grey, Desert Sand, Olive Green, White and Black
  • Blissful: the Bliss shape with an ioniser and blue LED light, in several colours
  • Leaf: the original PerfectAire design, in Black and White
  • U-Timber: a wood-look Mahogany finish
  • uGlobal: a slim aluminium cover in Bronze or Gun Metal Grey
  • Zen: the newest model, in White or Dove Grey

Quick guide: which model for which room?

RoomSuggested modelWhy
Small bedroom or studyBlissCompact, covers up to about 70m²
Busy lounge or family roomBlissfulBuilt-in ioniser speeds up cleaning
Child’s bedroomBlissful or ZenSoft blue night light
Large open-plan spaceZenCovers up to about 90m²
Modern home or office receptionuGlobal or U-TimberStatement finishes

Don’t forget the solution

Every unit runs on water and a PerfectAire solution. Add 5 to 15ml of solution to the water (one full lid is about 3 teaspoons), and change the water and solution about every three days, or more often in dusty or smoky rooms. Choose from botanical fragrances, or the unscented Microbeshield solution if you would rather not have a scent. Our guide to choosing a fragrance can help.

Frequently asked questions

What size air purifier do I need for my room?

Work out the floor area in square metres by multiplying the length by the width. The Bliss and Blissful cover up to about 70m², the Leaf up to about 80m² and the Zen up to about 90m².

Is one air purifier enough for a whole house?

Usually not. Air does not circulate freely between rooms, so one unit in each main living area or most-used bedroom works better than a single unit for the whole house.

Can I use an air purifier without a fragrance?

Yes. Use the unscented Microbeshield solution in the water instead of a scented one.

Still not sure which model to choose? Contact us with the size of the room and we will recommend one. You can also read our frequently asked questions.

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