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7 steps to make your bedroom an allergy-free zone

Indoor allergies are a big problem. But the worst offender in your home may be the bedroom. That’s because it’s a magnet for allergy and asthma triggers such as dust mites, mould and pollen—and the place you stay put for eight or so hours every night. Not to fret, though. There are seven steps you can take to make your bedroom allergy-proof.

1. Start with your bed

Ground zero for allergens in the bedroom is your bed. That’s because you not only spend a lot of time there, but it’s also a place where dust mites can thrive. Your best move: Cover your mattresses, box springs and pillows with hypoallergenic casings. Pillows are especially important—your face, after all, is resting on them for hours at a time—so use washable ones filled with cotton or cotton-alternatives. In fact, all your bedding should be washed weekly in water that’s at least 130 F. (And use a hot dryer). In addition, remove decorative elements like fancy quilts, throw pillows and stuffed animals that can harbor mites. And don’t forget things stored under the bed.

2. Focus on the floor

It’s best to ban carpeting from the bedroom, since it’s a likely place for dust mite particles to reside. Instead, replace it with hardwood floors or linoleum. If you can’t do without a carpet, use washable area rugs or carpeting with a low-nap, and vacuum regularly.

3. Just say no to pets

No matter how much you love your furry friends, their dander and saliva can carry allergens. And even if you’re not allergic to dander, their fur can be an allergy-bearing vehicle, too. For that reason, keep pets out of the bedroom and, most important, off the bed. If you want your little ones to have a comfortable place to curl up, get them their own cozy berth and put it in another room.

4. Go easy on window treatments

If your taste runs to heavy drapes and blinds, it’s wise not to indulge such choices in your bedroom, since they can attract dust. A better option is washable curtains. And be sure to wipe off window frames and glass regularly to ward off mould.

5. Declutter

The more things you have lying around the bedroom, the greater the opportunities for allergens to hide. That means reducing the number of knickknacks throughout your room. All those treasured decorative items and books? Just put them somewhere else.

6. Keep it cold—and clean the air

Dust mites don’t breed in temperatures below 77 degrees Fahrenheit, so consider turning the heat down or the AC up.

7. Clean the air

An air purifier with a HEPA filter can also help keep the air clean—and keep your bedroom a restful place to lay your head down at night.


1Coway air purifiers has been proven to trap dust, pollen, dander, viruses and bacteria in the air based on KCL (Korea Conformity Laboratories) testing.They have been tested in a 30㎥ size chamber according to the Korea Air Cleaning Association standard (SPS-KACA 002-132:2022 Modified) to measure the 0.01㎛ size of particle removal rate. It was tested on maximum airflow speed in normal room temperature and humidity conditions. The performance may vary in the actual living environment of customers.
→ Tested with Airmega Aim, 150, 160, AP-1216L, AP-1512HH, AP-1512HHS, 200M, Icon, IconS, 230, 240, 250, 250 Art, 250S, 300, 300S, 400, 400S, ProX

299.97% of viruses, bacteria, fungi and pollen were verified to be removed from the air for Coway air purifiers which have Green True HEPA™ filter applied based on the Japan Food Research Laboratories(JFRL) testing according to JEM 1467 standard.
→ Tested with Coway Airmega AP-1512HH, AP-1512HHS, 250, 250 Art, 250S, 300, 300S, 400, 400S
→ All tested by JFRL and received above result within below time.

All tested by JFRL and received above result within below time.

- Virus: Tested with Escherichia coli phage ΦX174 NBRC 103405, 60 minutes
- Bacteria: Tested with Staphylococcus epidermidis NBRC 12993, 60 minutes
- Fungi/Mold: Tested with Penicillium citrinum NBRC 6352, 60 minutes
- Pollen: Tested with Cedar Pollen extract, 60 minutes

3Aerosol test conducted in a Biosafety level 3 laboratory with two Coway air purifier models, Coway Airmega 250 and 400 for removal of SARS-CoV-2 Aerosol by US based MRI Global, a not-for-profit laboratory and partner of US Department of Defense. The test was conducted in a 13.1ft3 chamber. Virus was aerosolized for 15 minutes and the product was turned on high for 2 minutes. Result showed each product effectively removed over 99.98% of the SARS-CoV-2 in 2 minutes. This is a result from a laboratory experiment condition and result may vary in different conditions. This result does not imply it kills SARS-CoV-2 or prevents the transmission of Covid-19. Coway Airmega 250S and 400S are identical to the tested models and has equal performance with an additional mobile connectivity function.

4The concentration of ammonia, acetaldehyde and acetic acid were proven to be removed within 30 minutes by FCG Research Institute, Inc. Human Life Science Lab. It is not a demonstration result in the actual use space. Not all odors and gases may be supported. → Tested with Coway Airmega 150, 160, AP-1512HH, AP-1512HHS, 400, 400S

5The coverage area of the air purifier is based on an area where the air cleaner can make two air changes per hour (ACPH). An air change per hour translates to how many times an air purifier can clean an area, assuming the height of a ceiling to be 8 ft, in one hour. Therefore ** means two air changes per hour means that the cleaner can clean the area once every 30 minutes and * means air changes per hour means that the air purifier can clean the area once every 60 minutes.

10Terms and conditions apply. Discounts, including promotions, coupons, bundle discount and subscription discount, cannot be stacked on top of other coupons. During promotional periods, discount codes will not be able to be applied to orders. Promo codes may apply to products only—filters, accessories, and new products within 3 months of the release date are not included.