Works reasonably well. I need more time to fully evaluate it.
Coway
Coway Airmega 400
High-performance dual-suction air purifier with HyperCaptive™ filtration, 3 Smart Modes, dual HEPA filters, and AQI indicator. Covers 264 m²
Key Features
- Dual-Suction Purification System
- HyperCaptive™ Filtration — 99.999% particle capture
- Dual Max2 Green True HEPA Filters
- 3-Stage Filtration on each side
Key Features
Engineered for Pure Air
High-performance dual-suction air purifier with HyperCaptive™ filtration, 3 Smart Modes, dual HEPA filters, and AQI indicator. Covers 264 m²
Dual Power
Dual-suction purification for massive spaces
The Airmega 400 draws air from both sides simultaneously through its dual-suction system, delivering a powerful CADR of 576 m³/h to purify up to 2842 sq. ft — the largest coverage in the Coway range.
Dual HyperCaptive™
Two Max2 Filter Sets for Maximum Efficiency
Dual Washable Pre-Filters
Two reusable pre-filters on each side capture large particles. Simply vacuum or rinse — no replacement needed, reducing long-term maintenance costs.
Dual Activated Carbon Filters
Twin carbon filters absorb gases, VOCs, and odours from both intake sides simultaneously for comprehensive chemical and odour removal.
Dual Green True HEPA Filters
Two Max2 Green True HEPA filters work in parallel, trapping 99.999% of nano-sized particles down to 0.01 microns from both sides of the unit.
Smart Auto
3 smart settings that adapt to every space
Let the Airmega 400 handle everything with 3 intelligent auto settings. The air filter indicator tells you precisely when the two Max2 filters need replacement, ensuring peak performance at all times.
Eco Performance
Eco Mode & Sleep Mode for 24/7 operation
Energy Efficient Eco Mode reduces consumption when air is clean. Sleep Mode minimizes noise and dims indicators for undisturbed rest. The real-time AQI display provides continuous air quality feedback.
Technical Details
Full Specifications
The Coway Airmega 400 is a high-performance air purifier engineered for large spaces up to 264 m² Its dual-suction purification system draws air from both sides simultaneously, maximizing filtration efficiency. Equipped with Coway's HyperCaptive™ Filtration process and dual Max2 Green True HEPA filters, it traps 99.999% of nano-sized particles down to 0.01 microns. The 3-stage filtration includes a washable pre-filter, activated carbon filter, and Green True HEPA filter on each side. Three Smart Auto Modes let the Airmega adapt to every space automatically. The air filter indicator alerts you when the two Max2 filters need replacement. Energy Efficient Eco Mode and Sleep Mode optimize power consumption and noise levels. Touch controls, a real-time AQI indicator, and 3 fan speed settings provide complete air quality management.
- Model
- AM400 AP-2015F
- Room Coverage
- 264 m² (60 min)
- CADR
- 576 m³/h
- Noise Level
- 20–48 dB
- Filter Type
- Green True HEPA (×2)
- Dimensions
- 37.59 (W) × 37.59 (D) × 57.9 (H) cm
- Weight
- 11 kg
- Color
- White
- Warranty
- 2 Years
Customer Reviews
See Why Customers Love the Coway Airmega 400
Good for daily use. Noise level is acceptable but not the quietest.
Perfect for allergy season. My symptoms have reduced significantly.
Happy with the product overall. Instruction manual could be better.
My baby sleeps so much better since we installed this in the nursery.
Great build quality and sleek design. Works perfectly in our Australian home.
Decent product. It does the job but I expected more for the price.
The design is beautiful and matches our modern interior perfectly.
Common Questions
Frequently Asked Questions About the Coway Coway Airmega 400
Yes. All products sold by Pure & Co come with a standard Australian Type I plug (three-pin angled). No adapter needed.
The Coway Airmega 400 includes a manufacturer-backed warranty. Duration varies by brand - typically 1 to 5 years. See the product specifications or contact us for details.
Shipping is free on all orders over AUD 50. The Coway Airmega 400 (AUD 623) qualifies for free standard delivery Australia-wide.
Yes. The Coway Airmega 400 uses HEPA filtration that captures fine smoke particles (PM2.5 and smaller). During bushfire events, close windows and run the purifier on high speed for rapid air cleaning.
Most HEPA filters last 6 to 12 months under normal use. Heavy use during bushfire season, around pets, or in dusty environments may shorten the interval. The unit's filter indicator will alert you when it's time.
Yes. We offer a 30-day return policy on unused products in original packaging. See the Return Policy page for full details.







