Ozone generators have become a primary household item to efficiently clean your home air from harmful containments and odor. The Ozone generators work on the molecular process which has a quick result but also poses some dangers, especially to our lungs. Before buying an Ozone air purifier you one must be fully aware of the pros & cons that come with it along with all other useful information. Let us begin with understanding what is Ozone and all other things that are there to be known about it.

What is Ozone?

The oxygen we breathe is ‘O2’ and Ozone is made from the oxygen molecules. The difference of Ozone oxygen is that it is ‘O3’ which is called ‘trioxygen’ with the 3rd molecule as a loose one with a weak connection with the other 2 molecules. The 3rd molecule being loose one is easily attached to pollution, odors like smoke, bacteria, viruses, and mold spores. Once it is attached it will eliminate that substance thus cleaning the indoor air efficiently.

What is an Ozone Air Purifier?

Ozone generators are also known as Ozone air purifiers or Ozone machines have become common over the past few years to clean the air. Ozone air purifiers create Ozone in the natural atmosphere. But that does not guarantee that it is healthy for everyone. Since Ozone is highly reactive it is cannot be stored for a long time that is why Ozone machines are used to create it.

Ozone generators take O2 from the air and ‘shock’ it with a strong electrical charge allowing oxygen molecules to rearrange and create O3 known as Ozone. Once it is released from the Ozone air purifier, the 3rd molecule attached itself to pollutants, odor, and other harmful substances and destroys its cell walls. In the end, this process eliminates containments from the air and cleans the air inside your place. Ozone generators are highly efficient in removing mold or high-odors like smoke that is why they are commonly used in homes, hotels, and hospitals.

Knocking the Lid off Ozone Generators

Before 2005, Ozone generators were the only thing that was used to clean the air and removed odors. But a consumer report in 2005 revealed that there are some harmful effects of these ionizing air purifiers. The content of the report shows that many popular models in the market were not only able to clean the air the way they claim to be but also they expose us to very dangerous Ozone levels. The result of this report caused the federal government to take strict regulatory actions against Ozone generators and ionic air purifiers usage.

The entry of a non-profit organization by the name of Consumer Union help in making all relevant and unbiased information regarding Ozone air purifiers to the consumers and asked Govt. to regulate and set standards for indoor air purifiers.

Why is Ozone Unsafe?

The question arises here is ‘why a substance that is found naturally in the atmosphere is harmful to our health?’
The ability of Ozone to be highly reactive makes it efficient in removing odors and pollutants from the air very quickly. But this reactive property of Ozone does not disappear once it is inhaled. It remains as much reactive as it is even it is inside us and that is what makes it dangerous.

When inhaled, it creates a reaction with lungs creating health problems by damaging airways and making lungs prone to infections resulting in coughing, chest pain, and shortness of breath. The situation gets worst for people with allergies and asthma causing some serious health issues as there is less pure oxygen to perform a proper function.

Another unfortunate side effect of Ozone exposure is exercise could have an inverse effect on your health. Normally when we do exercise we take a lot of oxygen for the body so that our body continues to work out in a normal way. With Ozone, this physical exertion will allow more Ozone in your lungs thus increasing your overall exposure to it and having bad health effects. Ironic isn’t it?

Ozone May Reduce Immune System

The evidence of Ozone reducing your immune system is evident that makes you more vulnerable than ever before against infection and disease. Ozone could make the body weak in the fight against respiratory issues. The more you are exposed to Ozone the more you become physically weak to deal with lung issues and other respiratory problems. Duke University Medical Center`s study of 2007 shows that early weak immune system signs in lab mice as it was exposed to sufficient Ozone which you may consider unhealthy for us. Those lab mice were seen as susceptible to viruses and bacteria.

Ozone and Allergies, Asthma

People with allergic and asthmatic symptoms are more at risk against the Ozone. Asthma can cause swelling inside the airways, a restricting motion from muscles by a buildup of mucus in the pipes, or surrounding the airways. Ozone is a problem for people with asthma for two important reasons.

  1. Smaller levels of ozone will affect their lungs. Levels that may seem normal to the rest of us can cause breathing problems for people with asthma.
  2. The harmful effects of ozone can be more severe for asthma sufferers, causing more breathing problems, coughing, or even pain.

Ozone may also create problems for allergy sufferers. When combined with pet dander, pollen, or other airborne allergens, ozone can increase symptoms like throat irritation eventually making allergies worse. Ozone by itself can be bad for our lungs and overall health, but when combined with hay fever or other allergic reactions, it can make people more ill. Allergy sufferers who live in large cities or high-pollen regions can be particularly vulnerable to the effects of ozone.

Editor`s Choice: Airthereal Ma5000 (Best Overall)

Airthereal MA5000 Commercial Ozone Generator 5000mg/h O3 Machine Home
  • Very Fair Price Point
  • Easy to Carry and Move
  • Low Energy Consumption
  • Kills Bacteria, Viruses, Mold, Mildew, and Fungus
  • Not Effective Against Dust and Other Particulates

Detailed Review

The combination of best features sets this MA5000 apart from other ozone generators. It is capable of generating 5,000 milligrams of ozone/hr and is one of the lightest machines in this capacity, weighing only 3.5lbs. The machine is also very good at energy-saving. It takes 20 hours of operation to burn through a kilowatt-hour of power. It is very simple and easy to use, with a timer that can be set up to 2hours. The “Hold” mode button can be used to leave the unit on. To activate, turn it clockwise to activate and turn it anticlockwise to switch to ‘hold’ mode.

The timer lets you leave the unit working as you do other things. Treatment time ranges between 10mins – 1hour. Make sure that no one including your pets is in the room when the machine is on air cleaning and shall not enter the room at least 30mins after the process is completed.

This purifier can be used in the home, including all living areas, kitchens, restaurants, offices, cars, and most importantly in smoking zones. It is best used to remove odors and bad smells by killing off the particulate bacteria that cause scent. This machine is effective for furniture, carpeting, and drapes. It also does a very good job of removing the odors in your basement. The 3years warranty works as a cherry on top.

Common Uses for Ozone Generators

Below are a few common reasons for using Ozone cleaner at home or office. And get more information about the air purifier benefits.

Killing Mold

Using ozone air purification to “shock” mold is a common practice. Airborne mold spores can be harmful to health, especially to the respiratory system and lungs. Mold can trigger asthma and allergies, so removing them is always a top priority. Mold removal generally requires the destruction of building materials, including ceiling and wood panels, and carpets. Ozone generators can remove mold pretty quickly.

Removing Bacteria and Viruses

Disease-causing viruses and bacteria are often hiding in plain sight. Places like the bathroom floor, kitchen sink, and TV remote can all hold bacteria, increasing the chances of sickness in your home. Ozone generators, however, have shown the capability to remove most of the disease-causing stuff by shocking pollutants at the molecular level.

Removing Odors

One of the most common uses for ozone generators is the removal of odors. In the same way that it attacks mold or bacteria cells, ozone gas will also attack the physical airborne cells that make odors. This can be useful for many different purposes, including hotel rooms that have lingering smells from tobacco smoke. Another potential use is to remove the smell of pets or those who want to remove a foul odor in their home.

How to Use an Ozone Generator Properly

If you are going to use a home Ozone air purifier you should know the proper usage of it. It is best to use a professional cleaning company that offers ozone generators as they would have trained experienced professionals with the required skill set to perform the job efficiently.

Before you use the Ozone generator to remove odor, one must first remove the source of the odor by cleaning it properly. This should include the use of safe liquid cleaners, vacuuming carpets, wiping surfaces, and dusting. This shall make removing odor from the ionic ozone air purifier more efficient.

For homeowners renting an Ozone generator should be preferred instead of buying your own. But for restaurant/hotel owners or someone who owns many properties, buying your machine would be the best choice. Every ozone generator will be different, so if you are using it yourself, be sure to follow, every detail and instructions for that machine.

You will then need to leave the area and allow the ozone to do its work. Many units run on a timer, so they will turn off after a preset period. Once the period is over, allow the ozone to dissipate completely before entering the home or room. This can take a couple of hours.

How to Use Ozone Generator in Home

To perform the cleaning process more effectively, please follow the below tips.

  1. Keep your A/C fan running or use a fan on low or to allow for better circulation of ozone.
  2. Try doing a few short periods to gradually remove the mold or smell.
  3. Running the A/C can also help sanitize the ductwork of mold.
  4. Make sure that no one (including pets) in the home during the process.

With these tips, you can more safely use the home Ozone air purifier.

How is Ozone Air Purifiers Different from Other Purifiers?

There is some very distinctive difference between Ozone air purifiers and other purifiers.

Air purifiers do not release pollution into the air. While ozone generators release a gas that is considered a pollutant to sanitize and clean, air purifiers simply filter the air. For example, an air purifier that uses a charcoal filter will suck in air and move it across the filtering surface. The filter then traps allergens, pollutants, and other contaminations before the air is moved back out to the room. This is a fundamental difference between air purifiers and ozone generators. One releases a cleaning chemical, while the other simply filter pollutants from the air. Know more about the best quietest air purifiers.

Another important difference is with an ozone generator, the actual cleaning happens outside of the machine. With air purifiers, the cleaning happens inside the machine.

8 Review of the Best Ozone Air Purifiers List

Product ImageProduct NameProduct Price
Airthereal MA5000 Commercial Generator 5000mg/h Ozone Machine Home Air Ionizers Deodorizer

1. Airthereal MA5000 Commercial Ozone Generator

  • It Has an Ozone Output That Deodorizes the Area.
  • It Freshens the Room Coverage Size of 1000 sq. Ft.
  • The Timer Function is Operative for Up to 120 Minutes.

Top Pick

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Airthereal MA10K-PRO Ozone Generator 10000 mg/h High Capacity O3 Ionizer Machine - Fireproof Tested by SGS, Yellow

2. Airthereal MA5000 Commercial Ozone Generator

  • The Capacity of This Generator is Very High I.e. 5 Years or 20,000 Hours.
  • It is Tested by Sgs Fireproof System.
  • The Timer Function is Set Up to 120 Minutes.
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Hathaspace Smart True HEPA Air Purifier, 5-in-1 Large Room Air Cleaner & Deodorizer for Allergies, Pets

3. Hathaspace Smart True HEPA Air Purifier-HSP001

  • It Has a Built-in True Hepa Filter.
  • It is Free From Ozone.
  • It is Approved by Carb.
  • There is a Smart Air Quality Sensor Embedded in It.
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Sanqiao Professional Grade Ozone Generator & Air Purifier, Ionizer & Deodorizer

4. Sanqiao Professional Grade Ozone Generator

  • It Freshens Up the Area of 3,500 sq. Ft.
  • It is of Premium Quality.
  • It Has 2 Ozone Plates.
  • It Comes in a Unique & Elegant Design.
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Ozonlife Commercial Ozone Generator 10000 mg/h Industrial Air Purifier Ionizer O3 Machine for Odor Remove

5. Ozonlife Commercial Ozone Generator

  • It Has a Strong and Powerful 10,000 Mg/h Machine.
  • It Comes With Timer Function Named as ‘’hold Function’.
  • It is of Very Lightweight and Sleek Design.
  • It is an Eco-friendly Design.
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LEVOIT Purifier for Home Extra-Large Room H13 True HEPA Filter for Bedroom, Smoke Eater

6. LEVOIT Air Purifier LV-PUR131

  • This type of generator covers an area of up to 900 Sq. ft.
  • It has a smart and elegant auto mode with a fan speed of 3.
  • It is 100% Ozone free.
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ELINP Industrial Ozone Generator 10,000 mg/h High Capacity Commercial Ozone Machine Air Purifier Deodorizer Ozonator for Rooms, Smoke, Cars and Pets

7. Elinp Industrial Ozone Generator

  • It has the capacity of freshening the area of 10,000 mg/hour.
  • It is an O3 air purifier.
  • It has the 120 mins timer fixed.
  • The latest and modern design comes with a full metal casing.
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OdorStop OS2500UV - Ozone Generator for Areas of 2500 Square Feet+, for Deodorizing and Eliminating Odors in Medium Size Areas

8. OdorStop OS2500UV – Ozone Generator

    • It can cover the area of 2,500 sq. ft.
    • It is a lightweight but powerful machine.
    • It posses 12 hrs timer rate.
    • It has a 30-days money-back guarantee with 5 years warranty.
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Clean Your Air With World-class Purifiers

For best ozone air purifiers consult the below reviews of our top picks for you.

Enerzen Commercial Ozone Generator

Enerzen High Capacity Commercial Ozone Generator 11,000mg Industrial Strength O3 Air Purifier Deodorizer Sterilizer (11,000mg - Gray)
  • 3-Hour Timer
  • Washable Lifetime Filter
  • Durable Portable Design
  • Largest Area of Effect for the Price Point
  • Short 1-year warranty

Detailed Review

If you have a large space to clean this Ozone generator should be your first choice. It has a capacity of producing 11,000 milligrams/hr making it perfect for large houses, offices, and multipurpose working spaces. Its fan is 40% larger than all other machines in this price tag enabling it to cover as much as 4,000 Sq. ft. The timer can be set up to 3hours. The portable design, ergonomic handle, and finger grooves to make it easier to move around. The outer casing is a durable aluminum alloy protecting the delicate internal components like the ozone filters against damage. The aluminum also contributes to keeping the unit light weighing only 5lbs.

The filter is for a lifetime and does not need replacement and you can wash it as well. It contains a stainless steel filter and ceramic ozone plates. Ozone plates are made from a ceramic material to increase their longevity by up to 3-times the normal range for ozone plates. Power consumption is also pretty low and comes in at less than a 60-watt bulb. This ozone generator is effective against odors and microbial contaminants. It is also great at inhibiting the growth of mold and fungi. It lacks a bit while handling pollen, dust, and other large particulates.

New Comfort 6 Stage UV Ozone Air Purifier

New Comfort 6 Stage UV Ozone Generator Air Purifier Cleaner HEPA Covers 3000 Feet Acyrlic
  • Comes with UV Bulb
  • 2 Ozone Plate Design
  • Compact but Powerful Design
  • Usable up to 3,500 Square Feet of Space
  • Heavy for its size and output

Detailed Review

It is a large machine measuring 14.5×13×11.2 inches and weighs in at 18lbs making it heavier than most of the air purifiers of this category. Its sizer and weight make it ideal only if you don’t have to move it again and again. This premium product has up to 6-stages of purification. It’s capable of sanitizing up to 3,000 square feet of space. This is done using High-Efficiency Particulate Air (HEPA), charcoal, ionization, UV, and ozone filters.

Apart from ozone filtration, all the other forms of sanitization can be done with occupants still in the house. This ozone purifier incorporates a dual ozone plate sanitization system for enhanced results. It also has a powerful UV bulb for treating bacteria and other odor-causing organisms.

The inclusion of other filtration methods means that this ozone generator is capable of working on the common contaminants and allergens that ozone deals with like mold, odor, and fungal spores. The other filtration methods take care of the particulates that ozone filtration is unable to handle. These include pollen, dust, pet hair, and dust mites, among others. All internal and external parts are made from high-quality material that is why it contains a 3-year warranty.

Enerzen Commercial Ozone Air Purifier

Enerzen Commercial Ozone Generator 6,000mg Industrial O3 Air Purifier Deodorizer Sterilizer (6,000mg - Black)
  • Eco-Friendly
  • Durable, Sturdy Design
  • Low Costs of Maintenance
  • Large Fan Blade for Increased Area of Effect
  • Complaints of Ozone Smell
  • Short Power Cable need an extension

Detailed Review

All the amazing features of Enerzen packed in a small package. Measuring only 6.8×8×5.8 inches and at only 5lbs in weight, this is a small, lightweight, yet extremely powerful, machine. The ergonomic handle and finger grooves make it portable and easy to handle. Industrial grade alloy with aluminum base is used for outer casing giving it durability. Thanks to washable and lifetime placement steel filters, the maintenance is almost 0. The ceramic ozone plates are created to enhance the replacement usage time.

The timer allows for a 180-minute use-time and comes with a ‘hold’ option for occasions when you want the unit to run for a while. The fan is large and designed to cover as much ground as possible. You also have access to a post-sale customer care department, although there is a 24-48 hour response time. They also allow for a 30-day return period if you are not satisfied with your product.

Final Verdict

Since the regulations related to ozone generators came into place these machines have come a long way in performance and quality. There is no denying of ozone air purifier benefits. These air purifiers are essential to purify the indoor air and providing you fresh and clean experience all the time.

However, one must use the ozone generators with care and must take all precautions that are required to stay away from any harmful impact that ozone may have on your health. If still you have some reservations then an ozone-free air purifier shall be the best option for you to go for.

More Articles About Air Purifiers

Best Ozone Air Purifier Reviews in 2022
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Best Ozone Air Purifier Reviews in 2022
Explore the honest and transparent best ozone air purifier reviews to decide which product you should buy within your budget and according to your needs in 2022
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Home Ionizer
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