Coway Airmega Large Room HEPA Air Purifier vs Coway Airmega Large Room Air Purifier (2026): Key Differences
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Comparing the coway air purifier home up vs air purifiers home large models reveals two distinct approaches to large-space cleaning. Both units use HEPA filtration to capture 99.97% of 0.3-micron particles and include washable pre-filters. They share Smart Mode for automatic fan adjustment. The main difference lies in coverage capacity and specific operating modes. One model targets spaces up to 1,860 square feet, while the other handles up to 2,512 square feet. Each offers unique features for energy efficiency and noise management.
Key differences
| Aspect | Coway Airmega Large Room Air Purifier | Coway Airmega Large Room HEPA Air Purifier |
|---|---|---|
| Room Coverage | Up to 1,860 sq. ft. | Up to 2,512 sq. ft. |
| Operating Modes | Rapid Mode, Smart Mode | Auto, Sleep, Smart, Eco |
| Air Quality Sensor | Air Quality Indicator | Pollution sensor, AQI |
| Color | Warm Gray | White |
| Model | AP-1720H | AP-1515H |
| Dimensions | 18.5 x 8.3 x 19.7 inches | 13.6 x 13.6 x 21.2 inches |
Which one should you choose?
Choose Coway Airmega Large Room Air Purifier if
- You need Rapid Mode for quick air cleaning when pollution spikes.
- You prefer a Warm Gray finish that blends with neutral decor.
- Your room is up to 1,860 square feet and you want a wider footprint.
Choose Coway Airmega Large Room HEPA Air Purifier if
- You have a large space up to 2,512 square feet.
- You want Eco Mode to turn off the fan when air stays clean for 30 minutes.
- You need Sleep Mode to reduce noise and power after three minutes of clean air.
Verdict: Choose the Coway Airmega Large Room Air Purifier (AP-1720H) if you value Rapid Mode for quick results and prefer a wider, flatter design. Select the Coway Airmega Large Room HEPA Air Purifier (AP-1515H) if you need greater coverage up to 2,512 square feet and want Eco or Sleep modes for energy savings.
Coway Large Room Purifier Comparison
Room Coverage
The Coway Airmega Large Room Air Purifier (Product A) covers up to 1,860 square feet in 60 minutes. This model is optimized for spaces up to 930 square feet in just 30 minutes. The Coway Airmega Large Room HEPA Air Purifier (Product B) handles larger areas, cleaning up to 2,512 square feet in 60 minutes. If you have a very open floor plan or a large living area, Product B offers significantly more coverage capacity. Product A is better suited for standard large rooms that do not exceed its 1,860 square foot limit.
Operating Modes
Product A includes Rapid Mode and Smart Mode. Rapid Mode circulates air at maximum power when quality drops. Product B offers Auto, Sleep, Smart, and Eco modes. Its Eco Mode turns the fan off after 30 minutes of clean air to save energy. Sleep Mode reduces noise and power after 3 minutes of clean air. Product B provides more specialized options for energy conservation and nighttime use. Product A focuses on quick cleaning with Rapid Mode. The variety of modes in Product B gives you more control over energy usage.
Air Quality Sensor
Both units monitor air quality to adjust fan speeds automatically. Product A uses an Air Quality Indicator that tracks pollution 24/7. Product B uses a built-in pollution sensor and displays an AQI reading. The AQI display on Product B provides specific numerical feedback on air cleanliness. This allows you to see exactly how clean or polluted the air is at any moment. Product A indicates status through its indicator light without specific numbers. For users who want precise data on air quality, Product B is the better choice.
Form Factor
Product A measures 18.5 inches wide, 8.3 inches deep, and 19.7 inches high. It weighs 20.5 pounds. Its rectangular shape allows it to fit against walls or in corners efficiently. Product B measures 13.6 inches wide, 13.6 inches deep, and 21.2 inches high. It weighs 21.4 pounds. Its square footprint takes up less linear wall space but is taller. If you have limited floor space or need a unit that blends into a corner, Product A’s narrower profile is more practical. Product B is more compact in width.
Filtration System
Both products use the HyperCaptive Filtration System with a washable pre-filter, activated carbon filter, and HEPA filter. Both reduce 99.97% of 0.3-micron particles like pollen and allergens. Both also reduce volatile organic compounds and odor. The filtration technology and performance specifications are identical for the core cleaning capability. Neither unit has an advantage in filter type or particle capture rate. You can expect the same level of allergen and odor reduction from either model.
Which Coway Model Fits Your Space
You have a very large open area
The Coway Airmega Large Room HEPA Air Purifier covers up to 2,512 square feet. This larger footprint handles expansive rooms better than the 1,860 square foot limit of the other model. You get consistent air cleaning across a wider area without needing multiple units.
You want faster air cleaning speed
This model cleans spaces up to 930 square feet in just 30 minutes. It features a Rapid Mode that circulates air at maximum power until the air is clean. If you need quick results in medium-large rooms, this faster cycle time is a practical advantage.
You prioritize quiet night-time operation
The HEPA model includes a dedicated Sleep Mode. When the pollution sensor detects clean air for three minutes, it reduces noise and power consumption. This specific feature helps ensure quieter operation during the night compared to the other model which lacks a listed sleep setting.
You need compact dimensions for corners
This unit measures 18.5 inches wide and 8.3 inches deep. Its rectangular shape fits more easily into narrow corners or along walls. The other model is square and wider, making this option better for tighter spaces where footprint matters for your room layout.
The products compared
Coway Airmega Large Room Air Purifier
Best for: Large rooms needing automatic cleaning
- Room Coverage
- 1,860 sq. ft.
- Filter Type
- HEPA Filter
- Air Quality Sensor
- Air Quality Indicator
- Operating Modes
- Rapid Mode, Smart Mode
- Pre-Filter Type
- Washable pre-filter
- Room Type
- Large Room
View on Amazon: Coway Airmega Large Room Air Purifier Affiliate link
The Coway Airmega Large Room (AP-1720H) covers up to 1,860 square feet, cleaning that space in 60 minutes. It uses a HyperCaptive system with a washable pre-filter, activated carbon, and HEPA filter to capture 99.97% of 0.3-micron particles. An air quality indicator and smart mode adjust fan speeds automatically. Rapid mode boosts power when needed. This unit suits large living areas or open floor plans.
Pros
- Covers up to 1,860 sq. ft.
- Washable pre-filter reduces maintenance costs
- Smart mode adjusts to air quality
- Rapid mode for quick cleaning
Cons
- Heavier at 20.5 pounds
- No app control listed
- No remote control listed
Good fit if
- You need coverage for large rooms
- You want to reduce filter replacement costs
- You prefer automatic air quality adjustment
Skip if
- You need smart home integration
- You prefer a lightweight portable unit
- You require remote control operation
Verdict: Coway Airmega Large Room 1,860 sq. ft. delivers strong coverage and automatic operation for large spaces, making it a solid choice for homes needing broad air cleaning.
Coway Airmega Large Room HEPA Air Purifier
Best for: large rooms up to 2,512 sq. ft.
- Room Coverage
- 2,512 sq. ft.
- Filter Type
- HEPA
- Air Quality Sensor
- Pollution sensor, AQI
- Operating Modes
- Auto, Sleep, Smart, Eco
- Pre-Filter Type
- Washable
- Target Pollutant
- Odor, Smoke, Pet Dander, Allergies
View on Amazon: Coway Airmega Large Room HEPA Air Purifier Affiliate link
The Coway AP-1515H cleans rooms up to 2,512 sq. ft. in 60 minutes. Its HyperCaptive Filtration System combines a washable pre-filter, active carbon filter, and HEPA filter to capture 99.97% of 0.3-micron particles. Smart, Eco, and Sleep modes adjust fan speed and power based on air quality. This unit suits large spaces needing effective allergen and odor reduction.
Pros
- Covers up to 2,512 sq. ft.
- Washable pre-filter reduces maintenance costs
- Smart mode adjusts fan speed automatically
- Eco mode turns off fan to save energy
- Sleep mode reduces noise and power use
Cons
- Heavier build at 21.4 pounds
- Bulky dimensions of 13.6 x 13.6 x 21.2 inches
- No remote control listed in specifications
Good fit if
- You need coverage for large rooms up to 2,512 sq. ft.
- You want to reduce allergens and pet dander effectively
- You prefer energy-saving auto modes
Skip if
- You require a compact unit for small spaces
- You need a remote control for operation
- You prefer a lighter device under 15 pounds
Verdict: Coway AP-1515H Large Room Air Purifier fits large homes needing strong allergen removal. Its washable pre-filter and smart modes make it a practical choice for continuous use.
Specifications side by side
| Spec | Coway Airmega Large Room Air Purifier | Coway Airmega Large Room HEPA Air Purifier |
|---|---|---|
| Room Coverage | 1,860 sq. ft. | 2,512 sq. ft. |
| Filter Type | HEPA Filter | HEPA |
| Air Quality Sensor | Air Quality Indicator | Pollution sensor, AQI |
| Operating Modes | Rapid Mode, Smart Mode | Auto, Sleep, Smart, Eco |
| Pre-Filter Type | Washable pre-filter | Washable |
| Room Type | Large Room | not stated |
| Target Pollutant | Odor, Smoke, Pet Dander, Allergies | Odor, Smoke, Pet Dander, Allergies |
| Features | Timer | Sleep Mode, Timer |
| Dimensions | 8.3 × 18.5 × 19.7 inches | 13.6 × 13.6 × 21.2 inches |
| Weight | 20.5 pounds | 21.4 pounds |
| Size | Up to 1,860 Sq. Ft. | 2,512 sq.ft. |
| Color | Warm Gray | White |
| Model | AP-1720H | AP-1515H |
Frequently asked questions
Which Coway model is best for a 2,000 square foot room?
The Coway Airmega Large Room HEPA Air Purifier is the better choice. It covers up to 2,512 square feet. The other model only reaches 1,860 square feet. You need the larger coverage area to ensure proper air cleaning in a space of this size. The 2,512 square foot rating ensures the unit can handle the volume effectively.
Do both air purifiers use HEPA filters?
Yes, both units use HEPA filters. The Coway Airmega Large Room Air Purifier includes a HEPA filter. The Coway Airmega Large Room HEPA Air Purifier also features a HEPA filter. This means both models are designed to capture 99.97% of particles as small as 0.3 microns. You get the same core filtration technology in either device.
What is the main size difference between the two models?
The primary difference is the coverage area. The Coway Airmega Large Room Air Purifier covers up to 1,860 square feet. The Coway Airmega Large Room HEPA Air Purifier covers up to 2,512 square feet. If you have a very large open plan area, the second model provides a wider reach. The first model is suitable for slightly smaller large rooms.
Does the Coway AP-1515H have a sleep mode?
Yes, the Coway AP-1515H includes a sleep mode. This feature is listed in its attributes. The other model, the AP-1720H, does not list a sleep mode in its specifications. If you need quieter operation during the night, the AP-1515H offers this specific function. It allows for continuous use without disrupting your rest.
Are the pre-filters washable on both units?
Yes, both models include washable pre-filters. This detail is mentioned in the comparison section for both products. Washing the pre-filter helps extend the life of the main HEPA filter. You can maintain the air quality by cleaning this component regularly. It is a shared maintenance feature that reduces long-term upkeep costs for both devices.
Which model is lighter and easier to move?
The Coway Airmega Large Room Air Purifier is lighter. It weighs 20.5 pounds. The Coway Airmega Large Room HEPA Air Purifier weighs 21.4 pounds. The difference is less than one pound. Both units are relatively compact, but the 20.5-pound model is slightly easier to lift. You can move it with minimal effort.
Do both purifiers have a timer function?
Yes, both models feature a timer. The Coway Airmega Large Room Air Purifier includes a timer. The Coway Airmega Large Room HEPA Air Purifier also lists a timer in its features. You can set specific run times for either device. This allows you to schedule operation when you are home or away, conserving energy.
What colors are available for these Coway models?
The Coway Airmega Large Room Air Purifier comes in Warm Gray. The Coway Airmega Large Room HEPA Air Purifier is available in White. These are the only color options listed in the specifications. You can choose based on which finish matches your room decor. The design aesthetic differs slightly between the two color choices.