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Coway

GUIDES
FILTERS

Coway Air Purifiers: Award-Winning Performance and South Korean Innovation

Coway is a global leader in wellness technology, renowned for creating some of the world’s most awarded air purifiers. Combining a "design-first" philosophy with heavy-duty engineering, Coway (and its famous Airmega series) is the brand of choice for those who want professional-grade air cleaning that looks like a piece of high-end furniture.

Why choose Coway?

At the heart of Coway’s success is the patented HyperCaptive™ GreenHEPA™ filtration system. This 3-stage process includes a washable pre-filter, an activated carbon deodorization filter, and a medical-grade GreenHEPA™ filter..

Unlike standard filters, Coway’s technology is proven to remove 99.999% of ultra-fine particles as small as 0.01 microns—capturing everything from common dust and pollen to microscopic viruses and bacteria.

Eco-Friendly Intelligence

Coway air purifiers are among the smartest on the market. Their Eco Mode is a standout feature for energy-conscious homes: when the air quality remains clean for 30 minutes, the fan automatically switches off to save power, only kicking back in if the sensors detect new pollutants. This makes Coway ideal for 24/7 operation without the high electricity costs.

Sophisticated Design & Quiet Care

Coway has consistently won prestigious design awards (including Red Dot and iF Design) for its sleek, minimalist aesthetics. Whether it’s the compact Airmega 150 or the powerful Storm series, Coway units are designed to blend seamlessly into modern Australian homes. With noise levels as low as 21dB, they provide powerful purification with a "near-silent" presence.

We deliver Australia-wide including: Melbourne, Sydney, Brisbane, Canberra, Adelaide, Perth, Gold Coast, Central Coast, and Cairns and all other metro and urban areas.

Frequently Asked Questions

Why would I need a Coway air purifier?

If you are looking for a brand that consistently tops independent performance reviews (like Wirecutter’s "Best Air Purifier"), Coway is the answer. It is specifically recommended for pet owners and allergy sufferers due to its heavy-duty deodorization filters and GreenHEPA™ technology. If you want a device that is easy to maintain, energy-efficient, and aesthetically beautiful, Coway offers the perfect balance.

How often should I replace or clean filters in Coway units?
  • Pre-filters: These should be vacuumed or rinsed every 2–4 weeks.
  • Deodorization (Carbon) Filters: Typically replaced every 6 months.
  • GreenHEPA™ Filters: Designed for longevity, these usually last 12 months (or up to 8,500 hours of use). The "Filter Reset" indicator on the control panel will illuminate when it's time for a replacement.
How to reset the Coway filter light?

To reset the indicator light after installing new filters:

  • Ensure the unit is plugged in and turned on.
  • Locate the Filter Reset button on the top or side panel.
  • Press and hold the button for approximately 3 seconds.
  • The light will flash or turn off, confirming the internal timer has been reset. Note: Some models have separate lights for "HEPA" and "Odor"—ensure you follow the reset hold for the specific filter you replaced.
What does the color-coded indicator mean?

Coway units feature a real-time LED ring that changes color based on the current air quality:

  • Blue: Good (Clean air)
  • Green/Purple: Moderate (Light pollution)
  • Pink/Yellow: Unhealthy (High pollution)
  • Red: Very Unhealthy (Severe pollution) In Auto Mode, the purifier will automatically ramp up its fan speed to clear the air whenever it detects a move away from "Blue."
Are Coway air purifiers safe to run continuously?

Yes. In fact, Coway is designed for 24/7 use. Features like Eco Mode and Smart Mode ensure the device only works as hard as it needs to, protecting the motor and extending filter life while maintaining a constant barrier against allergens.

Is Coway quiet enough for a bedroom?

Yes. Coway’s Silent Mode or Sleep Mode is engineered for minimal noise output. Many models operate at a decibel level lower than a whisper, and the built-in light sensors can automatically dim the LED indicators so your sleep remains undisturbed.