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Best picksBest air purifier for bedroom in Australia: five models comparedGearjury may earn a commission if you buy through retailer links. This does not change how we compare published specifications.
Best picks
Bonaire Diet 22i is the standout for its published 1,350 CMPH airflow and 22 L tank. De’Longhi EV250.WH is a smaller-tank alternative, while Devanti and Dimplex offer different portable formats.
Quick answer
Bonaire Diet 22i is the best starting point for a larger portable tank and published airflow. Choose De’Longhi EV250.WH for a 4.5 L tank and 460 m³/h airflow, Devanti 12L for multiple modes and included ice packs, or Dimplex DCEVP7 where its compact 7 L format fits.
Official manufacturer image
Best for a larger portable water tank
Drawback: Like other evaporative coolers, it depends on dry air and ventilation.
Best for a smaller footprint and tank
Drawback: Its stated working conditions and shorter water autonomy may not suit every room or schedule.
Official manufacturer image
Best for multiple modes in a mid-size tank
Drawback: The published noise specification is under 60 dB, so it may not be the quietest choice for sleep-sensitive users.
Best for a simple 7 L portable unit
Drawback: Its 7 L reservoir is smaller than the Bonaire Diet 22i tank.
Official manufacturer image
Best for a compact Bonaire tank
Drawback: The product range page does not provide comparable detailed airflow data for this model.
Official manufacturer image
Best for a much larger tank format
Drawback: Its size makes it less convenient to move and store than compact models.
| Official manufacturer imageBonaire Diet 22i | De’Longhi EV250.WH | Official manufacturer imageDevanti 12L Evaporative Air Cooler Conditioner | Dimplex DCEVP7 7L Evaporative Cooler | |
|---|---|---|---|---|
| Tank capacity | 22 L | 4.5 L | 12 L | 7 L |
| Airflow | 1,350 CMPH | 460 m³/h | — | — |
| Power | 170 W | 70 W | 70 W | — |
| Best use | Larger tank preference | Lower tank volume | Modes and included ice packs | Compact reservoir |
| Climate caveat | Dry air and ventilation needed | Dry air and ventilation needed | Dry air and ventilation needed | Dry air and ventilation needed |
| Check price on Amazon AU | Check price on Amazon AU |
Common questions
No. These reviews compare cited manufacturer specifications and published guidance; Gearjury has not physically tested the listed models.
Bonaire Durango 125i is listed with a 125 L tank. It is much larger than compact room units and should be chosen only if its size suits your space.
De’Longhi EV250.WH lists 460 m³/h. Bonaire Diet 22i publishes airflow in CMPH, so the figures should not be compared without converting units carefully.
Their cooling effect becomes less effective as humidity rises. Australian Government guidance describes them as best suited to low-humidity inland regions.
Allow ventilation so moist air can leave the space, and follow the model's instructions. A closed room can accumulate humidity.
Keep exploring
A portable evaporative cooler suits hot, dry air and a ventilated room; a fan-only unit avoids adding moisture. Start with climate, airflow and cleaning needs.
Bonaire Crown 10i is a practical shortlist choice for its published room guidance and portable design. Bonaire Duet suits a smaller spot; Dimplex DCEVP6WT adds a purifier function.
A room air cooler needs the right airflow and climate conditions, not just a large tank. Check how the manufacturer defines coverage and allow a route for humid air to leave.
An evaporative cooler uses water and ventilation; a refrigerated air conditioner uses a compressor and can dehumidify. Climate and the result you need decide between them.