Coway AP-0512NH Air + Sound Air Purifier

Coway-AP-0512NH- Air-Purifier

The Coway AP-0512NH  Air Purifier with Sound Therapy cleans your air and soothes your mind for a better night’s sleep. It features true HEPA filtration, plus a carbon filter to silently remove dust, allergens, smoke, pet dander, pollen and odors from the air. Turn on the soothing sound therapy for calming nature sounds, gentle lullabies or white noise to relax your mind. Recommended for rooms up to 155 sq. ft., it features volume control and separate timers for filtration and sounds. Choose from 3 natural sound modes (rain, ocean, or crickets), 2 lullaby modes (music by composers Schubert or Brahms, or a regular heartbeat sound), and a white noise mode to meet your downtime preference


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  • Coway 2-in-1 Air Purifier and White Noise Machine, AP-0512NH

  • Sound Therapy6 Sounds developed by Doctors: 3 nature sounds, white noise, 2 lullabies
  • Quiet Operation High-efficiency air in-take fan and filters designed to operate more quietly than other brands
  • Filter Change Indicator light transmits filter status and will inform when a change is needed
  • Separate Timers2 timers allow separate control; Air Purification: 1/4/8 hour & Sound Therapy 15/30/60 minutes
  • Volume Control The volume of the sound therapy feature is easily set for any preferences

    No matter if you are young or old, we all are susceptible to the sleep inducing combination of soothing sounds and air that is pleasant to breath. Let the installed sound programs designed by medical professionals bring you a dream as the HEPA back filtration system cleans the air of odors, allergens and other impurities. Coway may have invented a true cure for insomnia.
    The Coway AP-0512NH Air Purifier features a 2-stage True HEPA filtration system to first rid your air of harmful symptom-triggering allergens

This small room air purifier uses a True HEPA filtration system to clear out allergens while promoting better sleep and relaxation through built-in sound therapy. It’s a great addition to your bedroom, your child’s room, or your baby’s nursery. The AP-0512NH is designed to treat rooms measuring up to 155 square feet.  This air purifier is ideal for treating allergies, asthma, pet allergies, and smoke sensitivity and for helping relieve sleep problems in users of any age.


2 Stage FIltration

Carbon(Odor) Filter + True HEPA Filter(99.97%) eliminating pollutants effectively.

6 Soothing Sounds

Sound Therapy 6 Professionally-developed soothing sounds:

Nature(Rain, Ocean, Cricket) +

Lullaby(Schubert, Brahms) + White Noise.

Filter Change Indicator

Electronic filter indicator gives you a warning when to replace the filter on time.


1/4/8 hours easy-to-set timer.

Additional Information

Product Specification

The Air Purifier with Sound Therapy cleans your air and soothes your mind for a better night’s sleep. It features true HEPA filtration, plus a carbon filter to silently remove dust, allergens, smoke, pet dander, pollen and odors from the air


Manufacturer-Suggested Room Size (sq. ft.) 155 sq. ft.
Recommended For Allergies, Smoke, Odor & Chemical, General Air Quality, Asthma
Best Fit  Ideal for treating allergies, asthma, and mild odor sensitivities as well as promoting a better night's sleep.
Room Size (based on 4 Air Changes per Hour)  243 sq. ft.
Height 14.5 in.
Width 8.3 in.
Depth 13.8 in.
Weight 8.82 lbs.
Filtration System
  • Carbon Filter
  • HEPA Filter
HEPA Filter Type True HEPA
Number of Filters to Change 2
HEPA Filter 1 year
Carbon Filter 6 months
CADR: Pollen Score 110
CADR: Dust Score 110
CADR: Smoke Score 100
Number of Fan Speeds 3
Amount of Air Moved (Max CFM) 130.7 CFM
Minimum Noise Level 21.5 dB
Maximum Noise Level 48.7 dB
Controls Electronic
Filter Change Indicator Yes
Programmable Timer Yes
Remote Control No
Casters No
Color White
Minimum Wattage 19.3 W
Maximum Wattage 53.1 W
Voltage 110-120 V
Energy Star Yes
Ozone Emission Negligible
WiFi Capable  No
Vacuum Type Air Purifier
Manufacturer COWAY
Price $197.99

Customer Reviews

Dual-duty sleep machine. Review by NicoleG
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I'm very happy with this product, it gives me the ambiance I need to fall asleep and sleep soundly. I like that the lowest fan setting on the Conway is lower than the fan I've been using, so I get more gentle circulation.
This is a unique air purifier. Review by Chelsey Wevers
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If you want a cheaper model with unique features, then this is a good air purifier for you! I have allergies, and air purifiers are a great help. As far as air purifying goes, there are better ones out there, but this one is cheaper than some models and seems to do a pretty decent job of cleaning the air.
All the controls are easy to understand and use. Review by Toby Tendick
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There's a 1/ 4 / 8 hours timer setting for the air purifier. There's also a filter replacement indicator. Because my indoor allergies can get really bad, I love that this machine sucks dust and dirt out of the air so I can sleep better at night.
The unit is very attractive, surprisingly compact and the neutral colors are pleasant and should go with most decors. Review by James Hendrock
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Overall if it helps you sleep, it is a small investment to make as a good night sleep which is priceless to your overall health. So far we are satisfied with the unit and think it was a good investment.
I'm loving this air purifier & sound machine so far. Review by Jeannnie Drew
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I'm already breathing and sleeping better thanks to this machine. I even run it during the day at times if I need to have some quiet, relaxing sounds to feel calmer and less stressed out. 5 stars.
The unit was easy to set up. Review by Matthew S.
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It comes mostly assembled, just put in the two filters, plug it in and it's ready to go. The air purifier can be used either alone or at the same time as the white noise/sleep sounds. I really like the option of running just one or both together.
We've really enjoyed this product. Review by Kelsey B.
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I have severe indoor dust and mold allergies, plus I need some kind of white noise to help block out sounds in the house while I sleep, so this helps solve both of those problems in one machine.
The sound effects are a great bonus to this purifier. Review by Linda Stewart
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My son is sleeping much better and it has even helped with the dust levels in his room.
This works well, and is a good dual feature item. Review by J. Knight
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I like the design of this air purifier. While it is marketed for a baby's room, I believe anyone can use it. It was very easy to put together, which just involved removing the filters and taking some tape off and you are ready to use it. It comes with a HEPA filter, which worked fine for me.
Great quality air filter for the nursery. Review by T. Tanna
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The lullaby modes sounds are like sleep medicine for the kids, they go right to sleep. The white noise does help keep distracting noise at bay.

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