Noble Air Purifier 2
$41.99 – $1,499.00Price range: $41.99 through $1,499.00
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Innovative 4-Sided Air Intake System
Delivers powerful purification with a next-generation four-sided air intake design. -
Smart Sleep Mode
Automatically adjusts operation for quieter, more efficient air management during sleep. -
Product Dimensions (W × H × D) : 12.6 × 12.6 × 31.7 inches
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Recommended Coverage Area : 2 air changes per hour: up to 1,103 ft² (102 m²)
AP-2023K PRICE
(W x D x H) : 12.6 x 31.7 x 12.6 inch
Weight : 33.07ℓb
1 air change /hr.* 2,205 ft² (205 m²)
2 air changes/hr.** 1,103 ft² (102 m²)
º 4D Pre-Filter
º Double Deodorization Filter - 6 mo ($35)
º Indoor Fume Filter - 6 mo ($35)
º Deodorization Filter - 24 mo ($70)
º 4D Particulate Filter - 12 mo ($140)
| Terms (Years) | Rental (Visit) +tax | Rental (Self) +tax | Purchase +tax |
| 6 | $43.99 | $39.99 | |
| 5 | $48.99 | - | $1,499 |
| 3 | $53.99 | $49.99 |
NOBLE AIR 1
Self-Care Maintenance Option
Filters are delivered directly from Coway, and the monthly rental fee is lower compared to the professional visit care plan. However, filter replacement and internal cleaning of the unit must be performed by the user.
4-Stage 4D Advanced Purification System
Thoroughly removes fine dust, ultrafine particles, harmful gases, odors, and bacteria for cleaner indoor air.Pet Mode & Dedicated Pet Filter
Specialized pet mode and filter effectively capture pet hair, dander, and odors, creating a more comfortable environment for pet owners.Certified Performance & Reliability
- Certified by the British Allergy Foundation (BAF)
- Awarded AI+ Certification by the Korea Standards Association
Coway

AP-2023K
Improve your air and elevate your space.
Innovation in air purification meets innovation in interior design.
Modern and luxurious design
Noble features an award-winning design in an elegant White finish.
Its modern aesthetic blends seamlessly into any space, complementing a wide range of interior styles.
Beyond Innovation for Clean Air
4D FILTERS + 360° PURIFICATION
The four-sided Coway 4D Filter System removes over 90% of ultrafine dust (0.01 µm).



Noble Air Purifier 2 Q&A
A: The Noble Air 2 builds on the premium design language of the Noble Air 1 but introduces a more refined and performance-focused structure. While both models share Coway’s signature modern, architectural aesthetic, Pebble Gray/White premium finishes, and minimalist luxury display concept, the Noble Air 2 features an enhanced form factor and upgraded air circulation design for improved airflow efficiency.
Compared to the Noble Air 1, the Noble Air 2 emphasizes a more advanced purification architecture with optimized 360° air intake and circulation, delivering stronger and more uniform air distribution across larger spaces. It also refines usability with a more intuitive interface and improved operational modes, making real-time air management more seamless.
In short, the Noble Air 2 maintains the same premium design identity as the Noble Air 1 but enhances air performance, circulation efficiency, and user experience for a more advanced overall system.
A: The 4-sided air intake system enhances air purification by drawing air in from multiple directions simultaneously, rather than relying on a single intake point. This allows the purifier to capture a larger volume of indoor air more quickly, improving overall purification speed and efficiency.
By increasing the intake surface area, it reduces blind spots in airflow and ensures that dust, ultrafine particles, and pollutants are collected more evenly from all around the room. When combined with continuous circulation, it helps distribute purified air more uniformly, resulting in faster and more consistent indoor air quality improvement.
A: The Noble Air 1 is equipped with a high-precision PM1.0 sensor, capable of detecting extremely fine particulate matter, including ultrafine dust invisible to the naked eye.
Its advanced 4D multi-stage filtration system is designed to capture and reduce a wide range of airborne pollutants, including:
- Fine dust (PM10)
- Ultrafine dust (PM2.5 and PM1.0 level particles)
- Microscopic airborne contaminants down to approximately 0.01μm level
- Household odors and harmful gases
This allows the system to continuously monitor air quality in real time and effectively reduce even the smallest airborne particles for a cleaner indoor environment
A: The indoor air quality can be easily checked in real time through the device’s built-in PM1.0 sensor system and intuitive 4-level color indicator. The sensor continuously measures fine and ultrafine dust levels, and the air quality status is immediately displayed through color changes such as good, moderate, poor, and very poor.
In addition, the system provides automatic feedback by adjusting purification performance based on detected air conditions, allowing users to monitor and manage indoor air quality effortlessly at a glance.
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Delivery & Installation
For both rentals and purchases, delivery and installation are provided free of charge in serviceable areas.
Filter Replacement & Maintenance
Filter replacement and regular maintenance services are provided every 6 months. Our Coway service technician will contact you in advance and visit your home on the scheduled date and time to provide the service free of charge.
For Self-Care products, replacement filters will be delivered by mail, and customers are responsible for replacing the filters themselves. This service is also included in the rental fee.
Moving & Reinstallation
If you are moving, please contact our customer service center in advance to schedule the service.
There is a $50 fee for product removal and a separate $50 fee for reinstallation.
Contract Cancellation
If the contract is canceled before the end of the agreement term, 60% of the remaining balance will be charged as an early termination fee.
However, for U.S. military personnel, if Coway service is unavailable in the new assigned location, the contract may be canceled without penalty upon submission of the required documents requested by headquarters.
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