The 10 Best Air Ionizers

Updated July 15, 2017 by Ezra Glenn

10 Best Air Ionizers
Best High-End
Best Mid-Range
Best Inexpensive
We spent 40 hours on research, videography, and editing, to review the top choices for this wiki. While any fan-based filtering purification system can remove dust and particles from the air, only ionic technology banishes odors and bacteria lurking at the molecular level. Any of these air ionizers can help you go the extra mile in purifying your home, office, or commercial space, and they also reduce static electricity in the process. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best air ionizer on Amazon.

10. O3 Pure AAP 50

The plug-and-play O3 Pure AAP 50 has a super compact design that is ideal for small spaces like RVs, dorm rooms, and boats. It consumes very little power, is chemical free, and has an adjustable ozone output to tailor it to your needs.
  • quiet operation and low maintenance
  • may irritate people with asthma
  • not recommended for occupied rooms
Brand O3 Pure
Model AAP 50
Weight 8 ounces
Rating 3.6 / 5.0

9. Tec Bean

For on-the-go purification, the Tec Bean has you covered. Its diminutive, USB-powered design can clear a small space of up to 99% of airborne bacteria, and you can take it with you anywhere. It also runs on four AA batteries to remove odors wirelessly.
  • extremely quiet
  • simple one-button operation
  • may release harmful levels of ozone
Brand TEC.BEAN
Model pending
Weight 6.4 ounces
Rating 4.1 / 5.0

8. O-Ion B-1000

The durable O-Ion B-1000 is easy on the environment and your wallet, costing well under $100 and drawing a fraction of the power of some models. It has no costly filters to replace, so it will last for years with minimal maintenance.
  • easy to remove and clean dust rod
  • convenient nightlight function
  • only suitable for small spaces
Brand OION
Model pending
Weight 3.9 pounds
Rating 3.9 / 5.0

7. Lasko 2551

The Lasko 2551 is 42.5" tall and works primarily as a cooling fan, which maximizes distribution as it ionizes. It has an integrated carry handle for easy transportation and a remote control with a storage slot in the back of the unit so it doesn't get misplaced.
  • energy-saving timer function
  • oscillating fan has three speeds
  • noisier than other brands
Brand Lasko
Model 2551
Weight 13.2 pounds
Rating 3.7 / 5.0

6. Mammoth 1000 Pure Home

The affordable Mammoth 1000 Pure Home is compact and discreet, so you won't feel the need to hide it behind other decor. It has low power consumption, quickly improves air quality, and is safe for use around children. Its filter is washable and replaceable too.
  • removes smoke and pet odors
  • hepa-quality filter
  • fan is unnecessarily loud
Brand Mammoth Air
Model pending
Weight 20.9 pounds
Rating 4.4 / 5.0

5. Eco Breeze J6781

The Eco Breeze J6781 installs in a car cigarette lighter to keep your ride smelling fresh. It uses negatively charged particles to remove dust, pollen, and fumes, and comes in your choice of three colors: red, black, or blue.
  • extremely compact size
  • unique and fashionable design
  • only works while the car is running
Brand Eco Breeze
Model MT-C235 + J6781
Weight 0.3 ounces
Rating 4.0 / 5.0

4. Holmes HAP242-NUC

The Holmes HAP242-NUC is the perfect desktop option to keep your office fresh and clean. It has three speed settings, can be placed in a vertical or horizontal position, and removes airborne particulates as small as two microns.
  • carbon filtration reduces odors
  • clears up to 99 percent of particles
  • affordable price point
Brand Holmes
Model HAP242-NUC
Weight 5.8 pounds
Rating 4.1 / 5.0

3. Best Choice SKY1057

The Best Choice SKY1057 has a beautiful solid cherry wood cabinet that looks great in offices or country-style homes. It works to recreate a natural balance of positive and negatively charged atoms to significantly reduce airborne particles.
  • easy to clean ceramic plates
  • effective in over 3500 square feet
  • comes with a spare fuse
Brand Best Choice Products
Model SKY1057
Weight 14.5 pounds
Rating 4.8 / 5.0

2. Enerzen Commercial Ozone Generator

Destroy odors for good with the Enerzen Commercial Ozone Generator. It can sterilize the air in just about any space given enough time. Just make sure you leave the room while it's running and ventilate well when it's done, as its output can be harmful to breathe.
  • built-in timer for controlled power
  • strong fan distributes ions evenly
  • great for industrial use
Brand Enerzen
Model USA 110V ONLY Model
Weight 5.7 pounds
Rating 4.9 / 5.0

1. Coway AP-1512HH Mighty

Breathe easier and keep your indoor atmosphere clean with the stylish Coway AP-1512HH Mighty. It will maintain its excellent performance for years to come, making it a worthwhile investment for any home looking to cut down on particulates.
  • automatic shutoff saves energy
  • uses a four-stage filtration system
  • has a washable pre-filter
Brand Coway
Model AP-1512HH
Weight 15.9 pounds
Rating 4.9 / 5.0

How Does An Air Ionizer Work?

Within an atom there exists a microscopic act of homeostasis. Protons within the nucleus maintain a positive charge, while neutrons have a neutral charge. The electrons which spin around the nucleus have a negative charge; and it is the electrical energy created by the orbiting electrons being attracted to the protons which keeps the atom together.

Most atoms exist in this normal state. However, atoms may move from this normal state to an ionic state by losing or gaining an electron. In general, atoms are always looking to complete their electron valence shell, and will be attracted to particles which allow them to do so. This is known as the octet rule.

Ions typically form when metal atoms react with nonmetal atoms, creating either a shortage or overage of electrons in their structure. If an ion has more protons than electrons, it is considered a cation, which has a positive charge. Ions with more electrons will be negatively charged, and are called anions. These ions form as a result of chemical reactions, combustion, and radiation.

Air ionizers inject ions into the air which can then react with air pollutants; making them inactive in our bodies. Most do this through creating a corona discharge. This discharges free electrons into the surrounding air, which quickly latch on to the nearest air molecule, turning it into an ion. Because these ions will naturally repel each other, a relatively large area of effect is observed without the need for external fans. These ions then attach themselves to air pollutants, which have relatively large molecules. The new molecules will then seek to ground themselves through contact with a wall or floor, where they can be easily wiped away.

What Are The Health Benefits Of Air Ionizers?

The health benefits of using air ionizers come from the introduction of negative ions into the environment and therefore our body system. The highly reactive electrons in negative ions are constantly looking to link up with other atoms; and as they find them, the reactivity of the ion dissipates.

Our ancestors picked up negative ions by walking barefoot on the Earth itself. Earth has a negative charge, and humans who walk upon the Earth's bare surface pick up these negative ions through a process now known as earthing. There are many benefits to this practice alone, including reduction of free radicals in the body, better sleep, lowered stress levels and heart rate, and even physiological factors such as increased mood.

Luckily, the same negative ions which we absorb from the earth can also be created in any environment where there is an air ionizer. Inhaling negative ions may reduce overall feelings of depression, especially at high concentrations. Increased exposure to negative ions has also been associated with lowered psychological stress, reduced feelings of anxiety, and a general enhanced feeling of well-being.

Studies have also reported the ability of negative ions to reduce serotonin irritation syndrome; which is a state of anxiety caused by a rise in positive ions in the air. When volunteers were exposed to increased ambient positive ions, they were found to have increased anxiety, excitement, and feelings of suspicion. Volunteers were then exposed to negative ions, and the results were astounding. Not only did the exposure to negative ions reduce the states caused by positive ions; they also lowered them to more reduced states than their normal levels.

The Difference Between Positive And Negative Ions

Simply put, an ion is an atom which has gone through a certain chemical bond; resulting in the atom either having lost or gained an electron. As electrons in an atom are negatively charged, atoms which have an extra electron are negatively charged, whereas atoms with a missing electron are positively charged. The addition or subtraction of an electron also make the atom highly reactive; and the atoms are constantly seeking to balance themselves back out by linking up with another atom.

While both positively charged ions and negatively charged ions exist in the natural world, it is the modern era which is responsible for a large number of positive ions collecting in the atmosphere. Byproducts from heavy machinery, vehicles, electronics, and manufacturing all contribute to the growing levels of positive ions and ultra-fine particles; with air pollution being the greatest factor.

In the natural world, the charge is slightly more positive. This may be due to the fact that Earth itself carries a negative charge which repels other negative particles. The effects of positive ions can be felt in nature in the moments before a storm. When people complain of their joints aching just before a storm, they are simply noting the inflammatory effects of positive ions in the air; which take a sharp spike upwards before a storm.

The effects of negative ions can be felt on a hike through the woods. The abundance of oxygen and the moisture-rich soil combine to create a negative ion bath which results in increased mood and calmness. Negative ions have a positive effect on the health rather than a negative one; reducing inflammation and lowering stress.



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Last updated on July 15, 2017 by Ezra Glenn

Ezra is a writer, photographer, creative producer, designer, and record label-operator from New York City. He's traveled around the world and ended up back where he started, though he's constantly threatening to leave again.


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