The Best Air Purifiers for Odor Removal

When speaking of air filtering, the aspect of bad odors comes into the discussion because air impurities that cause a bad scent are responsible for ruining the air quality. The air purifiers that manage to remove the impurities that cause unpleasant smells are the most efficient weapons in achieving a clean and fresh air. The following models are at the forefront of the field due to their innovative air filtering features.

Top 5 Air Purifiers for Odor Removal Comparison

Image Product Price
Alen BreatheSmart Image

1. Alen BreatheSmart

  • HEPA-OdorCell filter option for effective removal of smoke and heavy smells
  • Removes up to 99% of particles bigger than 0.3 microns
  • Ideal for rooms and spaces of up to 1100 square feet
  • Features a 4-speed fan
  • CADR rated 300
  • Energy Star certified due to low energy consumption
  • Generous lifetime warranty
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MBM ideal. AP40 Image

2. MBM ideal. AP40

  • Carbon anti-odor filter ensures an effective removal of unpleasant odors
  • Filters 99.9% of harmful particles as small as 0.3 microns
  • Recommended for use in areas of up to 400 square feet
  • 5 levels of fan speeds that you can choose between
  • High CADR rating
  • Certified by Energy Star for its efficiency
  • Covered by a 1-year warranty
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Winix FresHome P450 Image

3. Winix FresHome P450

  • True HEPA filter removes airborne particles; Carbon pre-filter removes unpleasant smells; PlasmaWave technology breaks apart unpleasant smells and allergens at a molecular level
  • Captures 99.97% of airborne pollutants as small as 0.3 microns
  • Designed for use in rooms of up to 450 square feet
  • Features 4 fan speeds to choose from
  • CADR rated 290+
  • Energy Star qualified for exceptionally low energy consumption
  • Accompanied by a 3-year warranty
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Honeywell HPA300 Image

4. Honeywell HPA300

  • True HEPA filter captures airborne allergens; Carbon pre-filter removes smells and VOCs
  • Captures up to 99.97% of microscopic allergens as small as 0.3 microns
  • Designed for use in spaces of up to 465 square feet
  • Offers 3 air cleaning levels to choose from
  • CADR rated 300
  • Energy Star qualified for low energy usage
  • Comes with a 5-year warranty
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GermGuardian AC5250PT Image

5. GermGuardian AC5250PT

  • True HEPA filter removes allergens; Pet Pure treatment inhibits growth of odor-causing bacteria; UV-C light kills airborne bacteria and viruses; Charcoal filter reduces common odors
  • Captures and removes up to 99.97% of airborne particles as small as 0.3 microns
  • Ideal for large sized rooms
  • Offers 5 speed settings to choose from
  • CADR rated 125+
  • Energy Start certified for high energy efficiency
  • Backed up by a 5-year warranty
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Odor Removal Air Purifiers Reviews


Alen BreatheSmart

Besides looking fabulous, this air filter has added benefits, including the powerful odor reduction technology. The HEPA filter has been upgraded with the OdorCell technology that provides more efficiency in removing unpleasant smells, bacteria that can worsen the air smell, pet dander, and smoke. In addition, the purifier includes an air sensor that monitors the air quality and turns the device on and off as needed.
Its advantages:

  • Improved HEPA filter
  • Great performance in rooms as large as 1,100 sq. ft
  • Air sensors that adjust air filtering and control the energy consumption

MBM ideal. AP40

The AP40 features highly effective filtering technologies, such as the antimicrobial true HEPA filter, the CleanCel pre-filter that purifies the air, and the carbon filter that effectively destroys unpleasant odors. Also, it features the PlasmaWave technology that ensures viruses will be killed, guaranteeing a safe air indoors.
Its advantages:

  • PlasmaWave technology kills viruses, germs, and bacteria
  • Sensor system allows it to operate in the automatic mode
  • Features a color-coded LED indicator that shows the air quality indoors

Winix FresHome P450

Another great model that can get rid of bad smells is this model from Winix that is based on an innovative technology called PlasmaWave. This ingenious technology breaks air particles to molecular levels, making it easier to remove impurities that cause the bad smell. It provides great efficiency in fighting dampness and mold so the air will no longer have the heavy dull air smell.
Its advantages:

  • Air ionizing properties for a cleaner indoor air
  • Innovative PlasmaWave technology that removes even the smallest air particles
  • Efficient HEPA filter that can capture 99.97% of air contaminants

Honeywell HPA300

The efficiency of the Honeywell HPA300 air purifier for odor removal in removing common household smells relies on the True HEPA filter and the carbon prefilters that can capture odor particles. The prefilters act as a shield for the more demanding HEPA filter and retain the larger impurities, including pet hair and dander. One of the prefilters can even control gas smells in the air for a fresher ambiance. Moreover, the HEPA filter can collect the particles from cooking smells, smoke, or mold spores, thus improving the air quality and freshness.
Its advantages:

  • Honeywell HPA300 includes 2 prefilters and a HEPA filter for increased efficiency
  • It comes with different operating levels to adjust it according to the air filtering needs
  • Long lifespan of the HEPA filter that needs to be replaced only once a year

GermGuardian AC5250PT

Without a doubt, this is a great odor removal air purifier to choose when you want to freshen the air indoors. This unit is packed with some efficient features that guarantee a complete cleaning of the air, starting with the combination of a HEPA filter and a carbon filter that can remove even the smallest air contaminants. In addition, the air purifier for odor removal comes with a Pet Pure treatment feature that removes odor-causing bacteria, mold spores, and mildew smell. The UV-C light completes the process with a thorough sanitation of the air.
Its advantages:

  • Compact design that makes it great for any room size
  • Advanced air cleaning technologies that maximize its power in removing air odors
  • Helpful UV-C light enhanced with Titanium Dioxide that kills bacteria, germs, and viruses

What Causes Unpleasant Household Odors

Entering a room that has an unpleasant smell is a nightmare, especially if you can’t figure out where the smell is coming from. Fortunately, with the addition of an air purifier that specializes in odor removal, you won’t have to worry that you might enter a room and find that it smells weird. Generally, there are some common causes for unpleasant household smells, and if you want to find out what these causes are, you should check out the following lines.

  • Smoke

  • If you are a smoker or someone else who lives in your home is, the smoke from the cigarettes will embed in the walls and carpets, and it will linger in the air, making the house smell awful. Worst of all, there are thousands of cancerogenic chemicals that are released in the air because of cigarette smoke, chemicals that can do a great deal of damage to your health. Fortunately, with the addition of an air purifier for odor removal, you won’t have to worry about the smell or the harmful effect of the chemicals that are released because they will be removed from the air effectively.

  • Pets

  • No matter how clean you think your pet is, it’s surely one of the causes of the unpleasant smell indoors. After all, you’re not there every second of the day to clean after the animal when it does its business, and in case it finds the rug to be the ideal place to do them, the smell will linger even after you clean it. Also, animals, especially dogs, tend to smell bad after they get wet or dirty from playing outside, a smell that they bring inside if they sleep in the house.

  • Sink Pipes

  • When the sink is obstructed, a sour smell will be released in the air from the drain. Although a purifier will remove the unpleasant smell effectively, you still have to dissolve the clog to get rid of this issue. Therefore, in case there are unpleasant smells in rooms such as the kitchen or the bathroom, rooms where you have sinks, make sure that you check the pipes.

  • Cooking

  • A room where unpleasant smells are inevitable if you don’t have a great performing unit of this kind that specializes in odor removal is the kitchen. The reason why these smells are almost permanent is obvious, the foods that you prepare causing them. Of course, you shouldn’t stop cooking just because unpleasant smells will invade the kitchen, but rather place such a device in the room to eliminate them.


How We Rated the Filtration Systems

Are you wondering why we ranked the odor removal air purifiers the way we did? Then read this section of the article to find out what are the ratings that influenced our rankings the most. Knowing more about our rating system will allow you to form a better idea of what you should look for when making such a purchase as well, so don’t skip this section of the article!

  • Filter Quality

  • For an air purification system to be able to effectively remove unpleasant indoor odors, it must feature high-quality filters and it should come with activated carbon technologies as well. As the BratheSmart model features the highest quality filter, more precisely the HEPA-OdorCell model that actually specializes in odor removal, we rated this model better than the others as it does a superior job at eliminating smoke and other heavy odors from the air.

  • Maximum Recommended Room Size

  • The quality of an odor removal air purification system greatly depends on the surface that it can cover as well, a fact that we are well aware of. After all, the unit should be able to handle clearing the air of unwanted smells in small rooms as well as in large rooms seeing how you will most probably move it from one room to another. The BreatheSmart system produced by Alen scored the highest when it came to this segment as well, being capable of purifying the air in a room as large as 1100 square feet without a problem.

  • Pollutant Removal Efficiency

  • For the air to be cleared of all unpleasant odors, the filtration system must be capable of eliminating the pollutants that linger in it. As you can see, all of the models featured in our top are capable of removing more than 99 percent of the pollutants and contaminants that linger in the air indoors, thus meaning that they all do a very effective job at eradicating the source of the bad smell.

  • CADR Rating

  • The CADR rating stands for the clean air delivery rate that the air purification system boasts. A quality air purifier for odor removal should score high when it comes to the smoke CADR rating that it receives. The rating received by the purifiers greatly affected our final ranking. As you can see, we took into consideration the efficiency of the filters, giving the Alen BratheSmart and the Honeywell HPA300 higher ratings when it came to this aspect as they both boast a 300 CADR rating.

  • Energy Star Certification

  • The filtration system that you use must be certified by Energy Star in order to ensure that you won’t end up paying too much money on operating it. Due to the fact that we want you to invest in a product that won’t only meet all of your expectations but one that you will find a pleasure and not a burden to operate, we chose only purifiers that boast Energy Star certification. Thus, regardless of the model that you go with, you won’t end up paying too much money when the bills come even if you operate it non-stop.