The Best Air Purifiers for Your Bedroom

A guide to choosing the best air purifier for improving indoor air quality so you can sleep better at night.

By Katie Dyal

Air purifiers are proven to better the quality of the air throughout your home which will not only better your health but also, improve your sleep.

It’s extremely difficult to stay asleep throughout the night when you experience congestion, sinus irritation, and troubled breathing. Our bodies (and sleep) are most benefited when the air we breathe is cool, somewhat humid and clear of any allergens. That’s why it’s important to keep the indoor air quality in check, especially in the bedroom. One way to do that is with an air purifier.

When shopping for an air purifier for your bedroom you’ll want to pay attention to the square footage is can cover, price, and maintenance (i.e. how often you need to change the filter). With these factors in mind, we gathered our top picks for the best air purifiers for sleep.

The Best Air Purifiers for Sleep

Best Value Purifier

Coway AP-1512HH Mighty Air Purifier

  • Price: $229
  • Coverage: 493 sqft
  • Maintenance: Filter change required every year.

The Coway Mighty Air Purifier is consistently recommended as a great purification system by consumers and experts. It’s proven to eliminate up to 95 percent of airborne particles with ease, reduce odor and bacteria throughout homes. It will also last for years.

What Makes It Special
  • Energy Efficient- The Coway Mighty Air Purifier can decipher when the air is already clean, therefore it shuts off on its own, saving time and money.
  • 4-Stage Filtration System- The filtration works in four stages — Pre-filter, Deodorization Filter, True HEPA Filter, and Vital Ion. All four stages work together to eliminate the most air particles, odors, and bacteria throughout a home or room.
  • Maintained Filter Life- built with a HEPA filter that lasts for one year.
  • Universal in Style- This air purifier is offered in black or white and has the capacity to filter large rooms (up to 493 sq ft) but is quaint enough for a bedroom as well.
  • Cost-Effective- Coway isn’t the cheapest purifier on the market but with it’s suggested life span time, it’s more cost-effective than most. Invest a little now for a long-term play.

 

Best for Small Rooms

LEVOIT—H132 Air Purifier

  • Price: $89
  • Coverage: 129 sq ft.
  • Maintenance: Filter change required every 6 months

If you’re looking for an entry-level purifier, the LEVOIT—H132 is an exceptional option for its price and function. Budget-friendly and perfect for bedrooms, the LEVOIT—H132 covers small to medium size rooms and doesn’t exceed the volume of a low hum.

What Makes It Special
  • Perfect for Bedrooms- Considering its night light feature, this purifier was made for bedrooms. It has two brightness settings to choose from and it’s small in size so it won’t be an eyesore.
  • Fan Mode SettingsWith three different settings, you can control the fan speed and volume of the purifier at all times.
  • 3-Stage Filtration SystemDesigned with a Pre Filter, True HEPA Filter and an Activated Carbon Filter, this purifier is great for removing dust, mold, bacteria and pet hair.

Security- This purifier comes with a one-year buyer assurance and lifetime support. You have the option to extend the buyer assurance by one more year if necessary.


 

Best Luxury Purifier

Molekule Air Purifier

  • Price: $799
  • Coverage: 600 sqft
  • Maintenance: Filter change required every 6 months (but Molekule allows you to sign up for auto refills that ship right to your door!)

If you’re looking for top-of-the-line in the air purification world, this is it. The Molekule Air Purifier, set apart by its proprietary technology that not only traps pollutants but destroys them, is definitely one of the best air purifiers on the market.

What Makes It Special
  • Dual-Filtration System- This purifier includes a dual-filtration system that collects more than the average HEPA filter would collect and then, it destroys it.
  • No Ozone- It’s common for air purifiers to emit ozone and other byproducts into the air as they work. With Molekule’s cutting-edge technology, no ozone, or anything else for that matter, will be released into your air.
  • Patented Technology- PECO (Photo Electrochemical Oxidation) is Molekule’s patented technology that is able to collect 1000 times smaller particles than traditional filters.
  • Best Quality- Molekule can replace 100% of the air in a 600 sq ft room in just one hour.
  • Super quiet: Since Molekule isn’t powered with fans like traditional air purifiers, it’s incredibly quiet.

Need more info? Check out this in-depth review of the Molekule Air Purifier.


 

Best Air Purifier for Allergies

Dyson Pure Cool Link Desk Air Purifier

  • Price: $449
  • Coverage: 400 sqft
  • Maintenance: the machine will notify you when the filter needs changing

The Dyson Pure Cool Air Purifier is a great choice for those that suffer from allergies. With its high-tech design, this purifier can calculate how many pollutants and allergens are actually in your air and then start filtering accordingly.

What Makes It Special
  • App Connectivity – This purifier connects to the Dyson App, as well as Alexa, so you have control and data at the touch of your hands.
  • 350-Degree Oscillation – What better way to filter the air than with a machine that the capability to oscillate 350 degrees? This purifier has a filtration rate of 99.97 percent, so you don’t have to worry about it missing the mark.
  • Two Size Options – The Dyson Purifier can be purchased in a portable size, (perfect for a desk) or as a stand-up fan- depending on your desires.
  • Night-time efficiency- There is a night-time mode that kicks in, allowing the purifier to run more quietly, as well as dimming the LCD screen.

 

Best Budget Purifier

GermGuardian Elite GG1100

  • Price: $35
  • Coverage: 100 sqft
  • Maintenance: replace UV Bulb every six to eight months

If you’re looking for an entry-level purifier, we did want to suggest one plug-in option, although you will experience the best results with a stand-alone product. This little purifier filters air using titanium dioxide and UV-C light.

What Makes It Special
  • USB-Charging Port- This capability makes it more efficient for home or bedroom by serving as a USB charging station.
  • Security- A one-year warranty is guaranteed with every purchase.

Why Air Quality Matters

Believe it or not- the air quality throughout our homes is considered to be worse than the outside air. In fact, The Environmental Protection Agency (EPA) reported: “Americans, on average, spend approximately 90 percent of their time indoors, where the concentrations of some pollutants are often 2 to 5 times higher than typical outdoor concentrations.”

This may come as a shock, especially to the individuals that make a conscious effort to keep their house clean. However, keeping a pulse on air quality is a tricky thing, besides changing air filters every couple of months. Most likely because we can’t see the problem.

What pollutants are affecting the quality of air in my home?

The problem of indoor air quality begins with a lack of knowledge. With that being said, here are five pollutants impacting the air quality of your home:

  • Dust pollen– Most dust comes inside your home from outdoors. Even if you are an avid duster, this chore tends to populate settled dust particles back into the air which can cause sinus irritation and allergies.
  • Radon – Radon is a radioactive gas that is emitted into the air via the breakdown of uranium in rock, soil, water, and air. Radon typically gets in your home from the ground-up, entering through cracks or holes found in the foundation of your home. Breathing in this chemical compound can result in numerous health problems including asthma, bronchitis, pneumonia, ear infections, and even lung cancer.
  • VOCs (Volatile organic compounds)– VOCs are chemicals released into the air as a gas typically found in common cleaning and household products. Paints, aerosol sprays, pesticides, and disinfectants are all examples of products that contain VOCs. Short term exposure to VOCs can cause dizziness, headaches, and irritation to the eyes and respiratory tract. Long term exposure to VOCs may include, nausea, fatigue, irritation to the ears, nose and throat, as well as, cancer and damage to the liver and kidneys.
  • Mold– Mold develops through excessive humidity, condensation and water leakage throughout a home. It can be difficult to determine if you have a mold problem, but if you’ve had a water leak, it’s not uncommon for issues with household mold to follow. One clue is the discoloration of walls, ceilings, or floors. Exposure to mold can cause coughing, sinus irritation, nasal congestion, and in some cases, skin irritation.
  • Cigarette smoke– Any type of smoking within a home is frowned upon but especially cigarette smoke due to thirdhand smoke. Thirdhand smoke refers to the particles within the cigarette smoke that lingers throughout your home for the long haul, sometimes years. Exposure to the residue known as thirdhand smoke can lead to respiratory issues like coughing, asthma, and respiratory tract infections

Without proper air circulation in the home, exposure to indoor air pollutants like the ones listed above, and their negative health effects, will be far more common.

What Is The Purpose Of An Air Purifier?

Air purifiers are designed to remove pollutants from the air that naturally come in your home regardless of how often you clean. Most air purifiers are constructed with true HEPA (High-Efficiency Particulate Air) filters, which are proven to collect 99.97 percent of airborne particles of 0.3 microns in size.

Air purifiers work by capturing particles that circulate through the air when they enter the machines air filter. For the filter to work properly, it’s extremely important to have consistent air flow, as well as a regular filter replacement. When you notice the filter is dirty, be sure to replace with a new one.

What’s The Difference Between An Air Purifier And A Humidifier?

An air purifier works to eliminate allergens and large particles in the air whereas a humidifier works to add humidity to the air to prevent dryness and irritation. Air purification and air moisture are both helpful for sleep. Learn more about the benefits of sleeping with a humidifier here.


With the majority of spare time spent in the home, it’s important to keep indoor air quality in check. To reduce the chances of sinus and respiratory irritations from interrupting sleep, consider adding one of these great air purifiers to your bedroom. It could even double as a white noise machine.


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