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The 7 Best Ozone Generators Reviews & Buying Guide 2024

Ozone generators are effective in removing stubborn smells like smoke, pets, and dampness in places like homes, offices, and cars. They also help fight germs in the air and on surfaces. This makes them important for keeping a space clean and healthy.

Key Factors To Check:

  • Ozone Output: The range of ozone output in these generators varies from around 5,000 milligrams per hour (mg/h) for smaller units suitable for home use, up to 20,000 mg/h or more for larger models catering to commercial spaces. For instance, an Ozone Generator boasts an output of 10,000 mg/h, ideal for mid-sized rooms and offices.
  • Coverage Area: These come with different capacities to purify air within a designated space. Smaller units might cover areas up to 500 square feet, while industrial-grade models can handle spaces exceeding 5,000 square feet. Ozone Generator offers coverage for spaces up to 1,000 square feet, making it perfect for apartments or smaller homes.
  • Timer: It allows you to set specific durations for ozone emission, ensuring safe and controlled usage. Timers can range from 30 minutes to 2 hours or more. Ozone Generator comes equipped with a customizable timer, allowing users to set ozone emission for up to 120 minutes, providing flexibility and convenience.

For a comprehensive “Buying Guide” and top picks tailored to your requirements and preferences, explore our recommendations.

Best Ozone Generators List

Ozone GeneratorCapacityTimerWarrantyBuy Now
Enerzen Ozone Generator11000 mg/h3 hours1 yearCheck On Amazon
AIRTHEREAL Ozone Generator5000mg/h120 minutes--Check On Amazon
Alpine Air Store Ozone Generator10000 mg/h2 hours1 yearCheck On Amazon
Mammoth Ozone Generator10,000mg120 minutes1-yearCheck On Amazon
Ivation Ozone Generator750 mg/h2 hours1 yearCheck On Amazon
Airthereal MA10K-PRODIGI Ozone Generator10000 mg/h12 hours3 yearsCheck On Amazon
OdorFree Ozone Generator1800 mg/h1 to 12 hours5 yearsCheck On Amazon

Best Ozone Generators Reviews

1. Enerzen Ozone Generator

enerzen ozone generator

Enerzen might be a familiar name for many users as it has produced many popular products in the past. Here is an Ozone generator from Enezen.

Enerzen has created a milestone in the Ozone generator market as it has already sold over 100,000 units in the USA. It is a very high capacity Ozone generator with an 11000 mg/h rating that is only suitable for commercial usage. The Enerzen High Capacity Commercial Ozone Generator uses up to 40% larger fans that distribute Ozone evenly for comparatively less time.

You will be getting a washable stainless steel filter on the rear side of the generator that is assured to last a lifetime without needing any replacements whatsoever. It features a 180 minute timer with hold function if you need a longer treatment or if you are using it for the first time. It is made up of industrial grade aluminum alloy case with powder coating for heavy build quality. It has only a year of warranty from Enerzen.

Best Features:

  • High capacity Ozone generator
  • 11000 mg/h capacity
  • Suitable for commercial usage
  • 40% larger fans
  • Evenly distribution of Ozone
  • Quick action can be obtained
  • Washable stainless steel filter
  • 180-minute timer with hold function
  • Made up of industrial grade aluminum alloy case with powder coating
  • Heavy build quality
  • 1-year warranty

Pros:

  • Great build quality
  • Power capacity is best in comparison

Cons:

  • The warranty period should have been longer

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2. AIRTHEREAL Ozone Generator 

AIRTHEREAL Ozone GeneratorAIRTHEREAL MA5000 Ozone Generator is the ultimate solution for a fresh and clean environment. This powerful machine gets rid of smells, smoke, and other unwanted things in the air. It releases a strong 5,000 mg/h of ozone, making rooms up to 2,000 square feet smell fresh in no time.

The MA5000 is built to last with a lifespan of 5,000 hours, ensuring it stays reliable for a long time. It is small and light, weighing only 3.5 lbs, so you can easily put it anywhere and take it with you. It is easy to use with a simple timer knob and an option to keep it running up to 2 hours. It only works when no one is around. It even has a big “NO ENTRY” sign to make sure nobody accidentally goes in. This ozone generator is super flexible. It works in homes, offices, schools, cars and even places like basements, garages, gyms and restaurants.

Best Features:

  • Effectively eliminates odors, smoke, and VOCs.
  • Long-lasting, with a lifespan of 5,000 hours.
  • Settable for up to 2 hours for hassle-free operation.
  • Strong 5,000 mg/h of ozone
  • It has big “NO ENTRY” sign
  • Up to 2,000 square feet
  • Weighs only 3.5 lbs, making it easily portable.

Pros:

  • Versatile use in homes and offices.
  • Improves air quality for a fresher environment.
  • Efficient in removing various types of odors.

Cons:

  • It does not eliminate the smell.

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3. Alpine Air Store Ozone Generator

Alpine Air Store Ozone GeneratorIf you are looking for a budget-friendly ozone generator, then Alpine Air Store is the right brand to choose from.

This ozone generator can be used in rooms and cars for removing pollutants. It is capable of removing smoke, mildew and odors. It comes with adjustable output – high is 10,000mg and low is 5,000mg.

It comes with patent pending quick zone change adapter. You can easily clean it without even opening the adapter. For providing extra durability, it is coated with industrial powder coating.

This ozone generator is compact and portable. For easy transportation or handling, an ergonomic handle is provided at the top.

Best Features

  • Powder coated exterior
  • Extra-large heavy-duty design
  • High performance
  • Large handle for easy transportation
  • Easy to clean adapter
  • Trusted band for service and sales
  • Adjustable ozone output

Pros:

  • Suitable for general use
  • Heavy-duty performance

Cons:

  • Warranty is not provided.

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4. Mammoth Ozone Generator  

Mammoth Ozone GeneratorMammoth 10,000mg Ozone Generator is a powerful air purifier that boosts your air quality. This powerful device gets rid of smells, smoke, and dirty air, giving you fresh air wherever you are. It is versatile and fits well in homes, offices, cars, and different places because it is easy to carry.

It can purify a big space of 1000 square feet with its strong 10,000mg ozone output. It comes with a timer that you can set for up to 120 minutes. It works with 75 watts of power, striking a balance between strong performance and saving energy. This makes it a good choice for those who care about the environment. This air purifier is strong and easy to use, so it cleans the air well without causing any problems for you. Also, it comes with a one-year warranty, showing that the Ozone Generator is durable and reliable.

Best Features:

  • 10,000mg ozone output for effective air cleaning.
  • Suitable for homes, offices, cars, and various spaces.
  • Portable and easy to use with a 120-minute timer.
  • Purifies up to 1000 square feet.
  • Operates at a low 75 watts.
  • Ensures a hassle-free experience.
  • Comes with one-year warranty.

Pros:

  • Efficiently eliminates odors, smoke, and pollutants.
  • versatile for different spaces.
  • Customizable operation with the timer.
  • Powerful purification for large areas.
  • Energy-efficient design.
  • Safe and low-maintenance.

Cons:

  • It doesn’t remove the mold.

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5. Ivation Ozone Generator

Ivation Ozone Generator

Ivation is known for its home-based appliances and life-improving products. They also have a compact Ozone generator that should be looked into.

Ivation 5-in-1 HEPA Air Purifier & Ozone Generator is basically an all in one option that can clean, freshen and filter the air from dust and airborne particles. Hence, you can get a more comfortable breathing experience in your bedroom as well as your office cabin. It is powered by negative ION technology that releases positively charged particles for maximum effect.

The multilayer design on Ivation 5-in-1 HEPA Air Purifier & Ozone Generator delivers maximum possible purification. Along with that, it features Ozonator, HEPA filter, activated carbon filter, photocatalytic filter & ultraviolet germicidal lamp. It has a year of warranty from Ivation that is comparatively less than many other options.

Best Features:

  • All in one option
  • Clean, freshen and filter the air
  • Comfortable breathing experience
  • Powered by negative ION technology
  • Best effect
  • Multilayer design
  • Features Ozonator and HEPA filter
  • Activated carbon filter, photocatalytic filter & ultraviolet germicidal lamp
  • 1-year warranty

Pros:

  • Compact Ozone generator for general use
  • Multilayer filter provides very clean air

Cons:

  • Capacity is very low

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6. Airthereal MA10K-PRODIGI Ozone Generator

Airthereal MA10K-PRODIGI Digital Ozone Generator

As mentioned earlier, Airthereal has more than 1 heavy duty option available. Hence, we are including 1 more ozone generator from Airthereal.

In the 2nd position, we have yet another heavy duty option from Airthereal. Airthereal MA10K-PRODIGI Digital Ozone Generator is the successor for the previously mentioned Airthereal ozone generator with a few upgrades. It has a similar power capacity that is 10000 mg/h and processes a similar life cycle of 20000 hours.

Although, you will notice that it has an LCD digital display on the front that can be used to control various aspects of the ozone generator. It has 5 different buttons on the control panel that will let you set up the generator in just seconds. You can also program this generator to work for ½ hour after the interval of 12 or 24 hours so that you don’t have to set it every other week manually. It also has 3 years of the warranty period.

Best Features:

  • Most powerful option
  • 10000 mg/h capacity
  • 20000 hours service life
  • Produces a powerful oxidant
  • Removes odor and prevents mold formation
  • Digital display in front to adjust the timer
  • Can be programmed for automatic operation
  • Quick setup
  • 3 years of warranty

Pros:

  • The warranty period is pretty long
  • Capacity is great

Cons:

  • The price tag is a bit high

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7. OdorFree Ozone Generator

OdorFree Villa 3000 Ozone GeneratorHeadquartered in North Florida, OdorFree has committed itself to provide high-quality odor removing products at affordable prices.

The Villa 3000 ozone generator is ideally suited for deodorizing large spaces as it can cover an area of 3,000 sq. ft. This is achieved by having an output capacity of 150 to 1,800 mg/hr. You can adjust the output power depending on the area you want to deodorize.

The ozone generator has a timer for 1 to 12 hours. You can use the ozone generator manually or set the timer depending on the time you want to deodorize. It weighs only 9.75 pounds and you can carry it around easily. Besides, it is very easy to maintain this ozone generator.

The ozone generator is covered under a 5 years warranty from the date of purchase.

Best Features

  • Ideal for large spaces
  • Covers an area of 3,000 sq. ft
  • Adjustable output power of 150 to 1,800 mg
  • Weighs 9.75 pounds
  • Has a timer of 1 to 12 hours
  • Comes with plates and a filter
  • Easy to maintain
  • 5 years warranty period

Pros

  • Decent output capacity and power
  • Long warranty period

Cons

  • A bit on the expensive end

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Buying Guide For Ozone Generators

1. Type

Ozone generators use different operating mechanisms that affect qualities like ozone output, energy usage, and size. Our research showed that there are four primary types of ozone generators on the market: ultraviolet, corona discharge, cold plasma, electrolytic.

  • Ultraviolet: These generators use UV light to convert oxygen molecules into ozone.
  • Corona Discharge: This type relies on an electrical discharge to create ozone from oxygen molecules.
  • Cold Plasma: Cold plasma generators generate ozone through the use of high-voltage electricity in a low-temperature environment.
  • Electrolytic: Electrolytic generators produce ozone by passing an electric current through water containing dissolved oxygen.

2. Ozone Output

Ozone generators produce ozone, which is measured in milligrams per hour (mg/hr). Some generators produce as little as 300 mg of ozone per hour, while larger industrial units can generate up to 12,000 mg per hour.

3. Coverage Area

One of the primary considerations when purchasing an ozone generator is its coverage area, which refers to the space within which it can effectively operate. Ozone generators come in a range of sizes, with coverage areas typically varying from 500 square feet for smaller units to 5,000 square feet for larger models.

4. Maintenance 

For optimal performance and extended lifespan, periodically clean the ozone plates inside of your unit. These plates are usually accessed easily in most ozone generators.

5. Controls 

When considering ozone generators, it’s important to focus on their control features. A key feature to look for is a clear on/off switch, which makes operating the generator simple.

6. Size and Weight

Most ozone generators are relatively compact and lightweight, weighing less than 7 pounds. This portability makes them convenient for use in different settings, whether at home, in the office, or while traveling.

What is an Ozone Generator, and How Does it Work?

An ozone generator produces and releases ozone gas into the air to remove unpleasant odors, kill micro-organisms and sterilize the indoor air. This indoor air purification machine can be used in both household and commercial places. Yet, the user has to take some specific care while using this generator indoors. If not used correctly, it may harmful to both humans and animals.

Coming to its working procedure, the released ozone will attach to the dust particles and other contaminators in the air. Usually, the generator produces ozone by breaking down the oxygen molecules in the air. The electric discharges of the generator will split oxygen into singular molecules where they re-attach to form O3 (if used corona discharge generator).

If using ultraviolet radiation type of generator, then the sun’s UV rays split the oxygen atoms to form O3, which is less applicable to ozone generators. We already know ozone comprises three oxygen atoms, in which oxygen (two atoms) we breathe. The third atom is attached and detaches itself easily and re-attaches to other molecules. This blend with other molecules will result in a chemical reaction. It makes the ozone kill fungus and molds.

How to Safely Use an Ozone Generator?

One has to follow some safety measures while running an ozone generator. If not correctly using the machine, then you and your family members (including pets) are exactly getting at risk. So, to make it use safely without any dangerous threats/risks, you should know how to use this generator safely.

Follow the below mentioned detailed procedure of operating them properly and to prevent causing any harm.

  • Ensure that every living thing/being (including people, pets and plants) is out of that room before you turn ON the generator.
  • Ozone might damage certain metals and materials like plastic, rubber, artwork and fabrics. So, we suggest you cover or remove anything which is quite significant from the room.
  • Avoid re-entering into the room for an hour or two after the generator finished operating. Allow some time to dissipate the ozone gas and to make sure that it is safe to enter into the room.

Drawbacks and Dangers of Using Ozone Generator

However, ozone is a safe component in the high atmosphere, yet becomes a bit dangerous when used in low atmospheres. Here are some points to keep in mind while operating this ozone generator.

  • It turns to hydrogen peroxide when it comes to contact with water. The same will happen when it gets contact with the liquid in our nose, eyes and lungs.
  • Whenever there is an increase of ozone level in the air, then it results in increasing cardiovascular complications and asthma attacks.
  • It makes you sneeze, cough, and feel chest pain when you breathe in ozone for a longer time.
  • High exposure to the ozone will develop sensitivities to pollen, molds, and other triggers to allergies. Also, high levels of this ozone might result in reduced immunity and respiratory problems.
  • Air cleaners producing ozone can react with other chemicals to create dangerous toxins, which cause irritation to the lungs and result in health issues.
  • A study states that different people show different levels of susceptibility when they are exposed to ozone gas. So, it is better to stay away and leave the room when the generator is working or releasing ozone.

Ozone Generators – FAQs

1. What is the difference between an ozone generator and an air purifier?

Ans: An ozone generator will create and release ozone gas to sanitize and clean the air and objects around it. While air purifier traps pollutants, allergens and other substances with the help of a filter beforehand returning the air to the room.

2. Can we get rid of cigarette smoke with this ozone generator?

Ans: We can easily get rid of cigarette smoke by using an ozone generator. Here the ozone will attack smoke molecules at its source. Thus, the generator is a perfect option for spaces that are exposed to fire damage, cigarette smoke, and cooking odors.

3. How long does an ozone gas will take to dissipate?

Ans: Based on the amount of ozone (mg) produced by the generator, ozone gas stays in the air from 30 minutes to 4 hours. We suggest you to re-enter the room safely after 1 – 2 hours of treatment with ozone gas.

4. Can ozone generators kill mold?

Ans: Due to its high concentrations of ozone, the generator can easily kill mold spores permanently. The generator is considered commonplace for mold remediation contractors. While surface mold clean-up is required for remediation of mold thoroughly.

5. What is the average lifespan of an ozone generator?

Ans: One has to know how long does their ozone generator will last before buying and using it. However, the average lifespan of this generator will be around 3 years. The machine’s lifetime depends mostly on the frequency of its usage and regular cleaning of its plates.

6. Is this ozone smell go away easily?

Ans: Usually, ozone smell will dissipate eventually within 12 – 24 hours after finishing the ozone treatment. In case, if the area where you run the machine gets over-treated, then the ozone smell remains for a few weeks.

7. How effectively does an ozone generator remove odors?

Ans: An ozone generator is effective in removing odors, which makes it ideal for high-traffic areas like bathrooms or kitchens. Some powerful generators can clean the air and eliminate odors from spaces as large as 3750 square feet.

8. How long an ozone generator has to run?

Ans: It completely depends on the size of the space directly. You have to run it for about 3 – 10 hours for a room, and thereby a minimum of 25 – 30 hours for a house, which is sufficient to destroy almost all pollutants. It is a must to wait for 30 minutes to 4 hours for ozone atoms to revert back into oxygen and thereby to have a safe entry into the room/space after the machine has stopped working.

9. Shall we use this ozone generator in hospitals?

Ans: Since, an ozone generator kills micro-organisms within a limited/restricted space, they are used widely in hospitals to sanitize a room every time a patient leaves the room or space. They are perfect for sterilizing rooms, even for surgery.

10. What smell does ozone have?

Ans: High-concentrated ozone has a sharp smell, and mostly it is described as chlorine-like. As most people even feel it after and before the storm.

11. How safe is an ozone generator to use it?

Ans: An ozone generator is extremely hazardous if not used correctly, even these are banned in California. So, it is a must to follow the proper safety precautions while using them. Also, leave the home when it is running and give it some time to air out after it’s running. To ensure safe and sterilize air, you have to use a handheld ozone detector before getting back into the house.

Conclusion

When it comes to selecting the best ozone generator for your needs, thorough research and consideration are paramount. Among the plethora of options available, three stand out as top recommendations:

  • Enerzen Ozone Generator: This option boasts a sturdy construction, effective ozone emission, and versatility suitable for different environments.
  • AIRTHEREAL Ozone Generator: Known for its efficient purification, user-friendly design, and impressive durability, this generator is a solid choice.
  • Mammoth Ozone Generator: With its powerful performance, advanced features, and reliability, this generator is ideal for larger spaces.

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