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7 Best Ozone Generators Reviews & Buying Guide

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 GeneratorOzone OutputPower Consumption (watts)Buy Now
Enerzen O-888 Industrial Ozone Generator70,000 mg/h100 WCheck On Amazon
AIRTHEREAL MA5000 Commercial Ozone Generator 5,000 mg/h50 WCheck On Amazon
Alpine Air Ozone Generator5000-10000 mg/h110 WCheck On Amazon
Mammoth Ozone Generator10000 mg/h75 WCheck On Amazon
Ivation Air Purifier & Ozone Generator750 mg/h54 WCheck On Amazon
TTDMK Ozone Generator58,000mg/h100 WCheck On Amazon
OdorStop OS2500UV Ozone Generator100-1200 mg/h34 WCheck On Amazon

Best Ozone Generators Reviews

1. Enerzen O-888 Industrial Ozone Generator

enerzen ozone generatorEnerzen’s O-888 ozone generator is built to handle the toughest odors in large-scale environments. With a high-output capacity of 70,000 mg/h, it effectively purifies air in commercial buildings and spacious homes. The advanced pulsating technology ensures precise ozone delivery and optimized fan performance for maximum odor elimination.

Tough scenarios like flood restoration or persistent odor removal in basements demand a powerful yet easy-to-use solution, and this generator delivers just that. Enerzen has ensured that the controls are intuitive, allowing users to simply set the timer and leave the room while the machine does the hard work. With its robust output and no-nonsense operation, it’s a go-to choice for heavy-duty odor elimination without the hassle of complex systems.

Odor elimination reaches a whole new level with this ozone generator, but it’s important to note the Enerzen must only be used in unoccupied spaces. The high levels of ozone it produces can pose risks to people and pets if inhaled directly. Furthermore, strict state regulations mean it’s not available for sale in California. Despite these limitations, its unmatched effectiveness in tackling stubborn odors makes it an invaluable solution for serious air purification needs.

Specifications:

  • Ozone Output: 70,000 mg/h
  • Dimensions: 6.75″D x 8″W x 5.75″H
  • Noise level: 30 dB
  • Certified: CE
  • Operation: Timer knob
  • Safety: Use in unoccupied spaces only
  • Pulsating ozone output
  • Not for sale in California
  • EPA Est. No.: 094263-CHN-001

Pros:

  • Extremely effective against odors
  • Compact and easy to store
  • High ozone output
  • Simple timer operation
  • Pulsating technology enhances the effectiveness

Cons:

  • Illegal in California
  • Must vacate area during use
  • Not for chemical odors
  • Requires post-treatment airing

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2. AIRTHEREAL MA5000 Commercial Ozone Generator 

AIRTHEREAL Ozone GeneratorAirthereal delivers exceptional air purification with the MA5000 ozone generator, designed to effectively tackle odors from smoke, pets, and damp spaces. Its powerful ozone output of 5,000 mg/h makes it suitable for areas up to 2,000 square feet, ensuring versatility for both homes and businesses. By neutralizing VOCs and removing musty smells, it promotes a cleaner, healthier atmosphere for any environment.

The generator is particularly beneficial in kitchens, basements, and smoking areas, where stubborn odors tend to linger. Airthereal is built with a user-friendly interface; a simple turn of the timer knob allows for up to 120 minutes of ozone generation or continuous operation with the “HOLD” feature. This flexibility ensures that users can adjust the treatment to the size and condition of the area being treated.

With the Airthereal, safety protocols are critical—rooms must remain unoccupied during ozone generation. After the process, allowing 30 minutes for the ozone to dissipate ensures the air becomes safe to breathe again. Although some may find the wait inconvenient, the reward is a fresh, clean environment free of lingering odors or pollutants. However, due to local regulations, this product is not permitted for sale in California.

Specifications:

  • Ozone Output: 5,000 mg/h
  • Floor Area: 2,000 sq ft
  • Noise Level: 40 dB
  • Dimensions: 6.8″D x 7.4″W x 6.8″H
  • Timer up to 120 minutes
  • Continuous operation option
  • Effective on various odors
  • Not for sale in California
  • EPA Est. No.: 94720-CHN-1

Pros:

  • Powerful odor elimination
  • Simple timer operation
  • Suitable for large spaces
  • Versatile for home or business
  • Continuous operation feature

Cons:

  • Not available in California
  • Must vacate the area to use
  • 30-minute wait post-use
  • Not for occupied spaces
  • May require multiple sessions

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3. Alpine Air Ozone Generator

Alpine Air Store Ozone GeneratorAlpine Air ensures flexibility and performance with its ozone generator, offering adjustable ozone output to suit diverse needs. With settings of 10,000 mg/h and 5,000 mg/h, users can effortlessly switch between high and low output for tailored odor elimination. This makes it perfect for spaces ranging from small apartments to larger industrial areas, providing an efficient and controlled cleaning experience.

With convenience at its core, this ozone generator includes a quick-change module that makes cleaning straightforward—just rinse under tap water to keep it running at peak performance. The powder-coated exterior ensures durability, offering robust protection against daily wear. Alpine Air continues to uphold its legacy of providing dependable and efficient odor removal systems with this user-friendly design.

Known for its ability to combat tough odors, this generator is a valuable solution for various air quality challenges. However, users need to exercise caution, as the generator should only operate in unoccupied spaces to prevent exposure to high ozone levels. Its versatility and power make it a worthy contender for tackling persistent odors across different environments. While its advanced features are impressive, the need for unoccupied spaces during use and the subsequent waiting period may limit its convenience for immediate needs.

Specifications:

  • High Ozone Output: 10,000 mg/h
  • Low Ozone Output: 5,000 mg/h
  • Dual output levels
  • Quick-change ozone module
  • Easy maintenance
  • Durable powder-coated exterior
  • Touch control interface
  • Suitable for home and industrial use
  • Trusted brand for odor removal

Pros:

  • Adjustable ozone output
  • Easy to maintain
  • Versatile for various spaces
  • Robust and durable design
  • Effective on stubborn odors

Cons:

  • Only for unoccupied use
  • Wait time post-treatment
  • The high setting may be too strong
  • Not available in all states
  • Initial setup complexity

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4. Mammoth Ozone Generator

Mammoth Ozone GeneratorThe Mammoth ozone generator is a compact yet powerful solution for tackling stubborn odors in homes, offices, and other spaces. Built with a durable metal body and equipped with advanced ozone technology, it effectively removes odors caused by smoke, pets, mold, and mildew. Its sleek design and lightweight build make it easy to transport between rooms, while the foldable handle adds an extra layer of convenience for storage and portability.

Designed for powerful air purification, this generator excels in covering up to 1,000 square feet while offering robust performance and user-friendly features. Its adjustable timer allows sessions of up to 120 minutes, giving users full control over their treatment needs. Whether it’s purifying a single room or a moderately sized space, the generator ensures consistent results. Additionally, its quiet operation makes it an excellent choice for use during non-occupied hours.

Offering exceptional odor removal, the Mammoth requires adherence to strict safety measures to achieve its best results. It is essential to use this device only in unoccupied spaces, as direct ozone exposure can pose health risks. After the treatment process, a 30-minute ventilation period ensures a safe environment for reentry. With minimal maintenance and outstanding performance, this ozone generator stands out as a dependable solution for air purification needs.

Specifications:

  • Ozone Output: Powerful
  • Floor Area Coverage: 1,000 sq ft
  • Wattage: 75 watts
  • Control Method: Touch
  • Timer up to 120 minutes
  • Portable with a foldable handle
  • Designed for multiple environments
  • Operates quietly
  • Requires minimal maintenance

Pros:

  • Highly effective odor removal
  • Easy to transport and store
  • User-friendly controls
  • Versatile across settings
  • Energy-efficient operation

Cons:

  • Only for unoccupied spaces
  • Timer limited to 120 minutes
  • Not suitable for continuous use
  • Could be overpowered for small rooms
  • Must air out space post-use

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5. Ivation Air Purifier & Ozone Generator

Ivation Ozone GeneratorThe Ivation air purifier & ozone generator merges advanced technology with practical versatility, offering a comprehensive solution for air purification and odor control. Equipped with a sophisticated 5-in-1 filtration system, it efficiently eliminates airborne pollutants such as dust, mold spores, smoke, and pet dander. With a coverage capacity of up to 3,700 square feet, it is perfectly suited for large homes or offices needing high-performance air quality management.

With its multi-functional design and advanced purification technologies, the Ivation delivers a powerful approach to improving air quality. It integrates a HEPA filter, activated carbon filter, photocatalytic filter, UV germicidal lamp, and an ozone generator to target particles, allergens, and odors effectively. This combination ensures a noticeable enhancement in indoor air quality, making it a reliable choice for any environment. Additionally, its intuitive control knobs allow you to independently adjust ozone and fan levels, offering precise customization for your specific needs.

Boasting an impressive range of features, this air purifier requires specific precautions for ozone operation. To ensure safety, the ozone generator should only be activated in unoccupied areas due to its potential risks to humans and pets. Maintenance involves periodic replacement of the filters and UV lamp, which can add to costs over time. Despite these factors, this purifier remains an excellent option for users seeking high-performance air purification technology.

Specifications:

  • All-in-one air purifier
  • Ozone generator included
  • HEPA filter layer
  • Activated carbon filter
  • Photocatalytic filter
  • UV germicidal lamp
  • Multiple fan speeds
  • Covers up to 3,700 sq ft
  • Easy-to-use control knobs
  • Not for sale in California

Pros:

  • Comprehensive air purification
  • Effective against a variety of odors
  • Suitable for large spaces
  • Multi-layer filtration system
  • Features a stylish wood casing

Cons:

  • Requires space airing post-use
  • Frequent filter replacement needed
  • Not available in California

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6. TTDMK Ozone Generator

TTDMK Ozone GeneratorThe TTDMK ozone generator stands out for its powerful performance and robust build, making it a go-to option for anyone tackling stubborn odors in homes, offices, or vehicles. Featuring an all-metal shell, the design is durable and compact, with a convenient handle for portability. Its sleek black finish gives it a professional look that fits seamlessly into various settings while providing effective odor elimination.

This ozone generator is easy to use, thanks to its simple timer knob that adjusts ozone generation times to suit the size and condition of the space. Its powerful fan ensures even distribution of ozone, swiftly neutralizing pollutants like smoke, pet odors, and mildew. The result is a refreshed and odor-free environment, achieved with minimal effort. The TTDMK is particularly effective in high-odor areas, such as rental properties or used vehicles, where other solutions may fail.

Safety guidelines are critical when using this powerful odor-eliminating generator. It should only be operated in spaces devoid of occupants, as ozone exposure can negatively impact humans and pets. Post-treatment, proper ventilation is a non-negotiable step to ensure safety. While these precautions may take time, the generator’s superior performance in removing persistent odors justifies the process for those serious about air purification.

Specifications:

  • Output: Powerful ozone generation
  • Fan: Built-in for wide distribution
  • Construction: Durable metal shell
  • Portability: Convenient handle included
  • Use: Versatile, multi-environment suitability
  • Control: Simple timer knob
  • Safety: Use in unoccupied spaces only
  • Restrictions: Not available in California
  • Aftercare: Requires airing out post-use

Pros:

  • Quickly neutralizes strong odors
  • Portable and easy to move
  • Robust metal construction
  • Simple to operate
  • Effective in various settings

Cons:

  • Not for occupied use
  • Unavailable in some states
  • Requires room airing after use
  • Short operational time limits
  • Can be inconvenient for frequent use

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7. OdorStop OS2500UV Ozone Generator

OdorStop OS2500UV Ozone GeneratorOdorStop’s OS2500UV ozone generator is designed to tackle persistent odors in medium to large spaces, covering areas of up to 2,500 square feet. Equipped with dual ozone plates, a washable filter, and a UV light, it delivers comprehensive air purification. From pet odors to smoke and cooking smells, this device is designed for reliable performance in homes, offices, and other large spaces.

One of the key features of this model is its 12-hour adjustable timer with a hold option, allowing users to customize the treatment duration based on the severity of odors. The high-quality aluminum housing ensures durability and reliability, making it a professional-grade option for repeated use in various environments. Its straightforward setup and operation make it user-friendly, even for those unfamiliar with ozone generators. Additionally, the washable ozone plates are easy to clean, extending the product’s lifespan and maintaining efficiency over time.

Designed with safety in mind, the OS2500UV stands out among ozone generators, though it’s critical to use it only in unoccupied spaces due to health concerns. Proper ventilation post-treatment is key to re-entry. Despite these precautions, the OdorStop impresses with its powerful performance, extensive coverage, and advanced features, making it a top-tier choice for air quality improvement.

Specifications:

  • Covers 2500 sq ft area
  • Ozone output up to 1200 mg/h
  • 12-hour timer with hold option
  • High-quality aluminum housing
  • Features UV light for extra purification
  • Includes two ozone plates
  • Fan size 110 CFM
  • Durable and professional grade
  • Easy-to-clean filter
  • Not available in California

Pros:

  • Powerful variable ozone output
  • Built-in UV for enhanced purification
  • Durable and reliable design
  • Large area coverage
  • Customizable timer settings

Cons:

  • Only for unoccupied spaces
  • Not for sale in California
  • Requires airing out after use
  • Somewhat bulky for small spaces
  • Regular maintenance needed

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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.

FAQs:

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

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?

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?

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?

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?

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?

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?

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?

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?

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?

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?

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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