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8 Ozone Generators To Get Rid of Bad Smell in House

88

Models Considered

109

Hours of Research

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Experts Interviewed

734

Consumer Reviews Analyzed

A s our homes become more and more airtight, in our quest to ensure efficient heating and cooling for every season, it is easier for pollutants and germs to remain inside and grow, ruining the air quality and endangering our health. Mold spores can circulate freely through the air and directly into our lungs, while persistent odors can make our home seem unwelcoming and dirty.

In this case, an air purifier could do the job, especially if you choose a very performant model. But they usually work for small to medium spaces like bedrooms, kitchens, or basements. The best ozone generator, on the other hand, can kill germs, mold, and bacteria in rooms measuring 6,000 square feet or more and will do it with the minimum energy consumption rate.

These machines enrich the air with oxygen, creating ozone, which acts as a sterilizer for the entire space. Thus, after a session of 10 to 30 minutes, followed by 30 more minutes required for the ozone to leave the room, you will enjoy the crispest air, which was associated by users with the freshness that is left behind by a thunderstorm.

Ozone generators are highly effective against odors and bacteria, but they have no action on airborne allergens. So, if you are looking for a solution against pollen and dust, check out our best air purifiers for asthma and allergies.

Top 8 Ozone Generators Compared

Photo Product Room Coverage Capacity Output Settings Timer Rated Power UV Light Recommended Treatment Time Price

Best Overall
1. New Comfort 12000 mg/hr Industrial
6,000 sq. ft. 6,000 – 12,000 mg/h Low/High 120 minutes 110W 10+ minutes Check Price at Amazon

Editor’s Choice
2. OdorStop OS2500 Professional Grade
2,500 sq. ft. 100 – 1.080 mg/h Multiple 12 hours 40W 10+ minutes Check Price at Amazon
3. Enerzen O-777 6,000 mg
2,000 sq. ft. 6,000 – 11,000 mg/h N/A 180 minutes 100W 10+ minutes Check Price at Amazon

Best for Odor Removal
4. ELINP Industrial Ozone Generator 10,000 mg/h
2,000 sq. ft. 10,000 mg/h 1 120 minutes N/A 10+ minutes Check Price at Amazon

Best for the Money
5. Airthereal MA10K-PRO
2,000 sq. ft. 10,000 mg/h 1 120 minutes 50W 15+ minutes Check Price at Amazon
6. DKMHA DKM-10GY Industrial Ozone Machine 10,000 mg/h
Large 10,000 mg/h 1 120 minutes 65W 10+ minutes Check Price at Amazon
7. Mammoth Commercial 10,000 mg Deodorizer
1,000 sq. ft. 10,000 mg/h 1 120 minutes 50W 10+ minutes Check Price at Amazon
8. Airthereal MA5000
1,000 sq. ft. 5,000 mg/h 1 120 minutes 50W 10 – 60 minutes Check Price at Amazon

Ozone generators are among the best solutions for eliminating that pesky tobacco smoke smell from the house. However, if you’re interested in an ozone-free solution to get rid of this problem, you are better off with an air purifier for smoke.

1. New Comfort 12000 mg/hr Industrial

Check Price at Amazon


Specifications:
  • Room Coverage: 6,000 sq. ft.
  • Capacity: 6,000 – 12,000 mg/h
  • Output Settings: Low/High
  • Timer: 120 min.
  • Hold Setting:
  • Rated Power: 110W
  • UV Light:
  • Recommended Treatment Time: 10+ minutes
  • Power Source: Corded-electric
  • Construction: High-end stainless steel
  • Filter:
  • Ozone Plates Included: 2
  • Indicator Light:
  • Weight: 8.6 lbs.
  • Warranty: 5-year


If you are looking for a unit that can work perfectly in a large space, this is the one. It is strong and very durable, with a long-lasting construction that makes it suitable for commercial use. Apart from that, it only weighs 8.6 pounds, so it is easy to transport from one location to another. Not to mention the small dimensions that make it easy to fit in every space.

Heavy-Duty Construction

This is a long-term investment so, although you will pay more money at the beginning, you will actually regain them in the long term. You have probably already experienced cheaply-made products that broke after a few utilizations or lost their power over time. Nevertheless, this model was built to last, and this is easy to notice if you take a short look at its features:

  • Case – is built of high-end stainless steel and has been treated against rust and corrosion to resist exposure to increased humidity
  • Cord – strongly-built and resistant to wear and tear
  • Controls – high-quality manual switch and knob that run smoothly

It is corded-electric, so it doesn’t depend on a battery that can prove unreliable in case of long treatments. Moreover, the ceramic plates are included and they have a very long lifespan, so it will pass plenty of time until you will need to invest in new ones.

Industrial Power

While other models offer a strong ozone output as well, they either don’t have the fan to cover large spaces or don’t allow you to control the ozone quantity. Unlike this model, they are not built for industrial use. So, let’s take a look at New Comfort 12000 mg/hr Industrial’s performance, so you can understand better what makes it our number one choice:

  • Variable output – a strong switch allows you to select either low output – 6,000 mg./h or high output – 12,000 mg./h
  • Excellent room coverage – its power extends to rooms as large as 6,000 square feet and larger
  • UV-light – provides extra efficiency against bacteria and germs
  • Strong 2-hour timer – allows for treatment customization and offers a Hold function for longer use.

The power consumption rate is 110 watts and we consider it is excellent for the job, especially as this machine doesn’t need to run continuously to provide you with fresh air. Besides that, it doesn’t require a filter, therefore there won’t be any additional costs.

If you’re not a fan of changing filters and you want to enjoy clean air indoors, we recommend that you also look into our selection of filterless air purifiers.

Generous Factory Warranty

It is produced by a renowned manufacturer in the industry, which offers a 5-year warranty, so you can rest assured that every problem that may occur with this unit will be rapidly solved. Moreover, customer support is always at your disposal to answer your questions and provide information.

New Comfort Ozone Generator Performance Rating – What Experts Have to Say
We ran several tests to see if this New Comfort ozone generator fares as well as advertised, and the results blew us away. However, we were most impressed by its performance when we used it in an old vehicle that belonged to smokers, where even the leather on the chairs had a funky odor. We ran the machine for 30 minutes, after which we left the car doors open for 2 hours to let the ozone dissipate. Immediately after we got in to see if there was any difference, and all that tobacco smoke scent was eliminated. This change persisted too, so New Comfort didn’t only temporarily mask the odor but got rid of it entirely.

Marcus Mackay


PROS
  • Large room coverage
  • Industrial output, perfect for commercial jobs
  • 5-year warranty and friendly customer support
  • Reliable rust-proof stainless steel construction
  • UV light for thorough sanitation
  • Energy-efficient

CONS


VERDICT

It is the best you can get at the moment: industrial power and construction within a compact design that makes it perfect for commercial air purifying. The UV lamp can provide extra sanitation and destroy all the germs that may escape the action of the ozone, making it a great option for hospital disinfection. Besides that, it is energy-effective, so it won’t add high costs to your energy bill.



2. OdorStop OS2500 Professional Grade

Check Price at Amazon


Specifications:
  • Room Coverage: 2,500 sq. ft.
  • Capacity: 100 – 1080 mg/h
  • Output Settings: Multiple
  • Timer: 12 hr.
  • Hold Setting:
  • Rated Power: 40W
  • UV Light:
  • Recommended Treatment Time: 10+ minutes
  • Power Source: Corded-electric
  • Construction: Aluminum
  • Filter: Antibacterial filter
  • Ozone Plates Included: 2
  • Indicator Light:
  • Weight: 9.4 lbs.
  • Warranty: 5-year


Although more expensive than other models, it only takes a glance at this machine to notice the difference. It is one of the most durable on the market, built of super-strong aluminum that can resist years of use. The construction is very tight and compact, featuring a footprint of only 12.5 x 9 inches, therefore it is easy to store when not in use. Furthermore, it arrives with a heavy-duty power cord that can be wrapped on the rear side of the machine, so it stays untangled when not in use.

Performance, nevertheless, is the chapter in which this unit truly shines. After all, it couldn’t have come second to the New Comfort 12000 mg/hr Industrial that impresses with its 6,000 sq. ft. coverage and 12,000 mg/h ozone concentration without a good reason. First of all, it comes with a very powerful fan that can send the ions into a room as large as 2,500 square feet, making it suitable for generous spaces like hotel rooms, living rooms, large bedrooms, kitchens, or even basements. The ozone output is adjustable and can vary from 100 to 1,080 mg/h. The built-in 12-hour timer with Hold function will help you easily set treatment time, which can vary from a minimum of 10 minutes to hours, depending on the gravity of the smell or mold growth.

The power of the ozone is topped by an anti-microbial washable filter and a UV lamp, designed to kill germs and bacteria, therefore it can be used in a hospital or for the disinfection of hotel rooms and schools. The two ozone plates are included and can be used either both at the same time or just one. It depends on what you are trying to remove. If it’s a pet or smoke odor, using both of them is recommended for the best results.

Speaking of washable filters, check out the best air purifiers with washable filters if you seek a budget-smart solution to keep the air indoors clean and free of odors and pollutants.

Apart from being durable and powerful, it is cheap to run as well, with a maximum energy consumption rate of only 40 watts. After testing all the products we reviewed and presented here, we concluded that this OdorStop generator is among the most energy-efficient. If you’re smart about your finances, it might just be your best option. Moreover, it is covered by a very generous warranty, which extends for up to 5 years, and is offered by a reliable manufacturer. Therefore, you can rest assured that this investment will pay off.

PROS
  • Adjustable ozone output
  • UV-light leaves no germs behind
  • 5-Foot heavy-duty power cord will last the test of time
  • Durable aluminum construction
  • Only 40W energy consumption rate
  • Generous 5-year warranty

CONS
  • Rather pricey
  • Some customers complained that the cord is too short


VERDICT

It looks and runs professionally, with excellent results against mold, odors, and bacteria growth. The UV-light and anti-microbial filter are great bonuses that improve its performance, making it an excellent choice for spaces where thorough disinfection needs to be performed periodically, like hospitals, schools, or hotel rooms.



3. Enerzen O-777 6,000 mg

Check Price at Amazon


Specifications:
  • Room Coverage: 2,000 sq. ft.
  • Capacity: 6,000 – 11,000 mg/h
  • Output Settings: N/A
  • Timer: 180 min.
  • Hold Setting:
  • Rated Power: 100W
  • UV Light:
  • Recommended Treatment Time: 10+ minutes
  • Power Source: Corded-electric
  • Construction: Aluminum alloy
  • Filter:
  • Ozone Plates Included: 1
  • Indicator Light:
  • Weight: 5 lbs.
  • Warranty: 1 year


While the ozone producing capacity of the Enerzen O-777 is high but not something out of the ordinary (6,000 to 11,000 mg/h, to be specific) what makes it stand out is the pulsating effect proprietary to this model. What this unique feature implies is that the ozone generator self-adjusts the fan speed as needed to make sure that any persistent odors are destroyed effectively while it runs. Another standout feature is the 180-minute timer that you can set from a minimum of 15 minutes in 15-minute increments. Therefore, you can establish the treatment schedule from the get-go, the unit turning off when the selected amount of time passes. If you want, you can even opt to let it run unremittingly by selecting the Hold function, and just manually turn the generator off when you consider it right. There’s a knob dial that you simply turn to pick the time setting you prefer, so there’s no rocket science behind operating the O-777.

Just like the Airthereal MA10K-PRO and the ELINP Industrial Ozone Generator 10,000 mg/h, it is recommended for rooms and spaces measuring 2,000 square feet tops. It is fitted with a stainless steel filter that you can wash and reuse, which saves you money. However, the ceramic ozone plates will likely need replacing every 4 to 6 months or so, and that ends up costing you a bit. On the bright side, the quality plates help minimize the need for retreatment in the room you used the generator, and guarantee consistent ozone output for optimal results. A design aspect we want to highlight before we end since it adds to convenience is the ergonomic handle that folds flat to save storage space and features finger grooves to grab onto it more easily.

*Make sure that you let at least 30 minutes pass before you sit in the room where the O-777 was used. When the time runs out or you simply want to turn it off, enter the room, make sure the ozone generator is turned off, and open the window to air the room out before you’re on your way out too.

PROS
  • The ceramic ozone plates guarantee consistent ozone output
  • The large fan ensures ample square footage sterilization
  • CE and RoHS certified for safety and conformity with health standards
  • The handle features finger grooves for easy handling
  • Withstands commercial applications due to the tough aluminum alloy case

CONS
  • Leaves behind a chemical odor that is quite persistent if you don’t air it out properly
  • The ozone plates don’t have the best lifespan, so expect to replace them often


VERDICT

A commercial-grade product that works for large areas of up to 2,000 square feet and can stand harsh conditions just fine since it flaunts a durable aluminum alloy case. You can have it for less than $100, which is a plus too since there’s not much of an investment involved with acquiring it.



4. ELINP Industrial Ozone Generator 10,000 mg/h

Check Price at Amazon


Specifications:
  • Room Coverage: 2,000+ sq. ft.
  • Capacity: 10,000 mg/h
  • Output Settings: 1
  • Timer: 120 min.
  • Hold Setting:
  • Rated Power: N/A
  • UV Light:
  • Recommended Treatment Time: 10+ minutes
  • Power Source: Corded-electric
  • Construction: Full Metal
  • Filter:
  • Ozone Plates Included: 1
  • Indicator Light:
  • Weight: 4.55 lbs.
  • Warranty: N/A


With a sturdy full metal case and an ergonomic handle, this unit will face many years of utilization. It can cover large spaces, measuring 2,000 square feet and more, therefore it is suitable for homes, bars, restaurants, schools, or even ships. The manufacturer made sure to include among technical specifications the optimal exposure time for every room size, so, if you rigorously follow the guide, you can rest assured that all the viruses, mold, and smells will be thoroughly removed:

Room Size Exposure Time
100 sq. ft. 10 min.
300 sq. ft. 15 min.
500 sq. ft. 25 min.
700 sq. ft. 40 min.
1,000 sq. ft. 55 min.
1,500 sq. ft. 80 min.
2,000 sq. ft. HOLD

It features only 1 output setting, which will release a constant flow of 10,000 mg. of ozone per 60 minutes that will fully cover the room and leave behind incredibly crisp air. The ceramic plate is included and very durable, able to stand thousands of utilizations. Moreover, the manufacturer includes in the price a free replacement of the plate, so you won’t have to invest extra money in consumables.

As it doesn’t take longer than 30 min. for the ozone to turn back into oxygen, you will soon be able to continue with your activities in the disinfected room, where no odor will linger anymore. Nevertheless, remember that it should be operated in uninhabited rooms. It even features an indicator LED for this purpose, so you know when it is spreading oxygen ions around the room.

PROS
  • Excellent action against persistent odors
  • Durable ozone ceramic plate
  • The 120-min timer allows you to customize treatment time
  • Large area coverage

CONS
  • No warranty information
  • The ozone smell is very strong and will spread if the room isn’t well insulated


VERDICT

It can deal with a large variety of problems, from persistent smells to mold and bacteria growth, and you will only need to run it twice a week to maintain a clean and safe environment. The timer will help you choose the optimal treatment for every room, and it comes with a Hold function for extra-stinky situations.



5. Airthereal MA10K-PRO

Check Price at Amazon


Specifications:
  • Room Coverage: 2,000 sq. ft.
  • Capacity: 10,000 mg/h
  • Output Settings: 1
  • Timer: 120 min.
  • Hold Setting:
  • Rated Power: 50W
  • UV Light:
  • Recommended Treatment Time: 15+ minutes
  • Power Source: Corded-electric
  • Construction: Full metal
  • Filter:
  • Ozone Plates Included: 1
  • Indicator Light:
  • Weight: 8.4 lbs.
  • Warranty: 3-year


A high-capacity ionizer, this model offers a 10,000 mg/60 min. ozone output, being perfect for medium rooms that can measure up to 2,000 square feet. Just like its smaller brother, the Airthereal MA5000, it comes with a very sturdy but lightweight case, designed to protect the internal components. Everything is covered by a generous 3-year warranty from the day of purchase, and you get friendly customer support.

In terms of costs, it is very effective. Not only that it consumes only 50 watts, while releasing in the air such a great quantity of ions, but the ozone plate has a very long lifespan. The manufacturer will ensure service for the plate either for 5 years from purchase or for up to 20,000 uses, depending on the frequency of use. Another element that will cut costs considerably is the filter-less design, as filters are usually expensive and don’t have a very long lifespan.

The use of this unit is very simple and convenient. It comes with a 2-hour timer that can be set according to the treatment that needs to be performed. Remember! Air freshen-up – at least 15 minutes; thorough sanitation – 30 min. and more. An indicator light will let you know when the unit is functioning, so you don’t remain in the room by mistake.

Although it offers only one ozone output setting, it includes a Hold setting, so you can let it run for as long as you like, in case you have to deal with persistent odors and smoke. It will destroy mold and germs. Just make sure nobody remains in the room during the treatment and remember to check for pets.

PROS
  • Excellent service time for the ozone plate
  • Long Warranty
  • Very efficient on medium to large spaces
  • All metal case offers great protection for the motor and electric circuits, increasing their lifespan
  • Energy-efficient
  • Affordable

CONS
  • It may take longer than 30 min to evacuate the ozone
  • The ozone scent left behind is rather strong


VERDICT

To summarize, this is a commercial-grade unit designed to perform great in medium spaces that measure up to 2,000 sq ft. Therefore, it can be used at home or in a hotel, a school, a bar, etc. It is nicely priced and comes with a 3-year parts-and-labor warranty, so, if we were to refer to the quality-price report, we would say it is the best you can get at the moment.



6. DKMHA DKM-10GY Industrial Ozone Machine 10,000 mg/h

Check Price at Amazon


Specifications:
  • Room Coverage: Large
  • Capacity: 10,000 mg/h
  • Output Settings: 1
  • Timer: 120 min.
  • Hold Setting:
  • Rated Power: 65W
  • UV Light:
  • Recommended Treatment Time: 10+ minutes
  • Power Source: Corded-electric
  • Construction: Full metal
  • Filter:
  • Ozone Plates Included: 2
  • Indicator Light:
  • Weight: 4.71 lbs.
  • Warranty: 1-year


Designed for multi-purpose use, it features a compact and lightweight construction so you can easily carry it from one room to another. With an ozone output of 10,000 mg./h, it can be used at home to purify the air in bedrooms, bathrooms, kitchens, or larger spaces like the living room. Nevertheless, it is an industrial machine that can perform an excellent job on farms, large offices, bars, restaurants, or hotels. The case is made of strong metal that will stand years of utilization. Moreover, as it doesn’t require a filter, it is very easy to clean, especially as the ceramic plates don’t require any particular attention.

It is simple to use, as it offers only one output setting, the 120-minute built-in timer being the only adjustable setting. You can set it for 10 minutes if the air in the room isn’t very polluted, or apply an extensive treatment that can last for 120 minutes if you activate the timer, or for as long as you need if you choose the Hold setting. Depending on the length of the treatment, it will neutralize strong smells and VOCs and destroy germ and bacteria.

Regarding costs, the initial investment is the most substantial, although, compared with other models, it has a very attractive price. The energy consumption rate is only 65W, which is low, considering its power. Plus, you won’t be using it more than 2-3 times a week for half an hour, so the costs won’t influence your energy bill.

On the warranty side, you can rest assured, as the manufacturer offers 1 year for parts and labor, 60 days for return, and a money-back warranty. Not to mention that the machine arrives with 2 durable ceramic plates for which the manufacturer will perform one free replacement within 5 years from the date of purchase.

PROS
  • The 2-Hour timer allows you to easily select treatment time
  • Portable, can be used in multiple places
  • Cheap to run, with a power consumption of only 65W
  • Free replacement of the ceramic board within 5 years from purchase
  • Hold setting
  • All-metal case

CONS
  • Only 1 output setting
  • Some customers complained that the switch is poorly made


VERDICT

It has received many favorable reviews regarding its efficiency in removing a wide range of odors from smoke and tobacco to pet and cooking odors, therefore you can rely on it to leave your house smelling fresh again. It is lightweight, so you can easily move it in the next room, once the first is ready, and quickly sanitize your entire house.



7. Mammoth Commercial 10,000 mg Deodorizer

Check Price at Amazon


Specifications:
  • Room Coverage: 1,000 sq. ft.
  • Capacity: 10,000 mg/h
  • Output Settings: 1
  • Timer: 120 min.
  • Hold Setting:
  • Rated Power: 50W
  • UV Light:
  • Recommended Treatment Time: 10+ minutes
  • Power Source: Corded-electric
  • Construction: N/A
  • Filter:
  • Ozone Plates Included: 1
  • Indicator Light:
  • Weight: 6.7 lbs.
  • Warranty: 1 year


If you’re looking for a solution to get rid of the nasty smell in your car or a room in your home (the space shouldn’t exceed 1,000 square feet, this is the recommended peak coverage of the unit), this Mammoth ozone generator might just be what you need. To start, we must highlight that the unit doesn’t cost much upfront, so it’s a viable option for a wider range of customers. Moreover, the ozone module it uses in its operation requires replacement once every 2 years and it’s inexpensive, making upkeep as budget-friendly as possible.

This 10,000 mg/h model does have a minor flaw – it gets quite loud when it runs because of the fan. Nevertheless, this shouldn’t be a major issue considering that it’s recommended to leave the room while it does its job. It features the Hold function that makes it run continuously until you manually turn it off. If you want the Mammoth to turn off automatically after a specific amount of time, you can use the timer to set this up. The top setting for it is 120 minutes and it can be set in 10-minute increments by turning the knob at the threshold you prefer. The handle provides a good grip over the unit for easy relocation. Moreover, it’s made from ABS plastic and you can fold it down when it’s not in use.

PROS
  • The ozone module requires replacement only once every 2 years
  • Reusable metal pre-filter saves money on upkeep
  • Hold function for continuous ozone generation until you manually turn the unit off
  • Perfect for sanitization applications due to the high ozone output
  • Among the most affordable options available

CONS
  • The fan is a bit too loud
  • Takes a while for the ozone smell to disappear when you’re airing out the room


VERDICT

A cheap product that you can count on to make a difference for the better in terms of odor reduction and air sanitization after the first treatment session, this Mammoth generator is a value deal that really gives you a run for your money.



8. Airthereal MA5000

Check Price at Amazon


Specifications:
  • Room Coverage: 1,000 sq. ft.
  • Capacity: 5,000 mg/h
  • Output Settings: 1
  • Timer: 120 min.
  • Hold Setting:
  • Rated Power: 50W
  • UV Light:
  • Recommended Treatment Time: 10 – 60 minutes
  • Power Source: Corded-electric
  • Construction: All Metal
  • Filter: Washable filter
  • Ozone Plates Included: 1
  • Indicator Light:
  • Weight: 3.46 lbs.
  • Warranty: 3-year


A small commercial unit, perfect for purifying the air in areas as large as 1,000 square feet, it can be used in schools, hospitals, business places, offices, and homes to maintain a safe and germ-free environment. It is more compact than the other units, with a footprint of only 7.4 x 6.8 inches, so it can be easily transported from one room to another, especially as it weighs no more than 3.46 pounds. The all-metal construction is very resistant against exterior factors and will stand years of utilization. Moreover, the cord has a decent length, allowing for safe positioning.

It features one output setting and will deliver a constant flow of 5,000 mg. of ozone per 60 minutes, therefore 10 to 15 minutes of exposure should be enough for freshening up the air. Nevertheless, for more complex treatments that imply killing bacteria and mold, you should consider leaving it for more than 30 minutes. A built-in timer will help you set the desired time, which can reach 2 hours. Thus, you won’t have to enter the space while the machine is still working and expose your lungs. Still, you will have to open the windows and doors and wait 30 min for the ozone to dissipate.

Apart from the main function, it features a washable filter as well, designed to collect dust, allergens, and other large particles. It is inexpensive, as you won’t have to replace the filter. Moreover, when we look at the power consumption rate that doesn’t overcome 50 watts, we notice that it is energy-efficient as well. So, if you are dealing with wildfire smoke that extends for days or a very bad bacteria infestation and you wish to maintain an uninhabited space safe, you can use the hold setting that will keep it running for as long as you need, all without overcharging your bills.

PROS
  • Has a small footprint and is lightweight
  • Comes with a 2-hour timer
  • Hold option can be used for longer intervals of air purification
  • Excellent 3-year warranty
  • Good Price

CONS
  • Some customers complained that it leaves a specific smell behind, which will, nevertheless, dissipate in a few hours
  • Won’t handle large spaces


VERDICT

We liked the price and the lightweight design, so we recommend this model for home use where it can perform a professional job. Easy and safe to operate due to the built-in timer, it is the right choice if you have never used one of these machines. Plus, it is very compact, therefore easy to store when the operation is finished.



How Does an Ozone Generator Work?


Widely recognized for its efficiency when it comes to odor reduction and clearing pollutants like germs, viruses, mold, and bacteria from the air, the ozone generator is a common presence not only in residences, but hospitals, hotels, spas, and other venues of the sort. But how exactly does it work? Well, the operating principle is quite simple – the machine breaks apart oxygen molecules to produce it. These atoms will bind to other oxygen molecules found in the air, forming ozone or O3 in the process.

There are two operating methods that ozone generators use, namely:

  • Ultraviolet radiation: Not as efficient as corona discharge. It works similarly to how the sun’s UV radiation splits oxygen to create individual atoms of O2.
  • Silent corona discharge: The most efficient ozone production method. Electric discharge is used to split oxygen molecules into separate atoms that will then bind to other oxygen molecules to form O3.

These machines are generally used as odor removers, but they work for disinfection too when the ozone levels produced are high. With a simple operation, upkeep that isn’t pretentious in the slightest compared to that of classic filter or UV air purifiers, and available at a reasonable price (most models, at least), it’s easy to see why these systems are among the most popular air purification solutions.


Frequently Asked Questions



Are ozone generators safe for home use?
With the condition that you free the room while it runs, yes. Ozone generating machines must be used in unoccupied spaces, even if the ozone concentration level isn’t high. Make sure that you free the room where the machine runs of animals and humans while it’s in use. Remove all plants from that space too since ozone affects them too.

Safety tip: Make sure that humidity levels are within safe parameters in the room/space where you use the machine. Running the generator in high moisture conditions can cause arcing inside the unit.



Do ozone generators work?
Ozone is highly reactive and it leads to change in the chemical composition of certain airborne particles. This makes it an effective solution when it comes to clearing the air of unpleasant odors and organic compounds. So, for short, the answer is yes, it works and it’s a viable solution for air quality improvement. Just make sure that you follow safe use procedures and run the unit only when you’re not around since ozone is detrimental to human health when directly inhaled.

Do hospitals use ozone generators?
Hospitals generally use UV-C light air purifiers and ozone generators to handle issues related to air purity and properly sanitize spaces. The O3 produced by these generators attaches to microorganisms, mold, odors, fungus, and other contaminants, destroying the walls of the cells at a molecular level. Trained professionals handle these units in hospitals since the ozone concentration needed for sanitization is dangerously high.

How long should you run it?
A full treatment that results in proper odor removal and air sanitization should last from 3 to 10 hours depending on the size of the room. If you’re going for whole-house sanitization, then you ought to let the generator run for at least 25 hours to make sure most pollutants are eliminated.

After how much time does ozone dissipate?
It takes somewhere between 30 minutes and 4 hours for it to convert back into oxygen. However, when there are higher concentration levels, the minimum time you must wait before it’s safe to go back inside is 3 to 4 hours.

Does ozone permanently damage lungs?
If you go through long-term exposure to ozone and inhale it directly into your lungs, it will cause permanent lung tissue scarring and reduce the elasticity of your lungs. For those who suffer from asthma, COPD, and other chronic respiratory diseases, exposure to ozone leads to their symptoms and conditions worsening.

How can you tell if ozone is affecting you?
When you are exposed to elevated levels of ozone, there are several symptoms that you will almost immediately have. The most common are irritated eyes, nose, and throat. You may also experience wheezing, shortness of breath, and chest pain.

What does ozone smell like?
There are several ways to describe the smell of ozone, but the most common include chlorine or burning wire smell. It is a pungent and sweet odor that is hard to confuse.



Conclusion

Our extended research has come to an end, and now it’s time to draw the last conclusions. The truth is, you need a strong unit to perform this job, one that can last over time and maintain its energy efficiency. We considered these aspects in our quest of finding the best products and made sure each unit complies with them. Nevertheless, our analysis revealed some highlights in each model, making it more suitable for a specific job, so don’t hesitate to revisit some of them and make sure you make the right decision.

Best Ozone Generator for Sale: New Comfort 12000 mg/hr Industrial

It offers industrial quality and power, being the best job for commercial jobs, but it can perform great in any home as well, where it can sanitize large rooms, the basement, or even an entire flat. It is treated against rust and corrosion and has a stainless steel case that provides excellent protection for the circuits inside. Furthermore, the ozone output and exposure time can be adjusted depending on the room size and the gravity of the situation.

Editor’s Choice: OdorStop OS2500 Professional Grade

This is a very reliable unit that features not only a variable ozone output but a UV lamp, being thus suitable for jobs that require close attention like, for example, the disinfection of a hospital room. It is easy to operate and lightweight, so the person in charge of the sanitation can easily carry it from one room to another. Plus, the power consumption is reduced, so it can be used frequently without generating high costs. For these reasons and more, it’s the model that drew our attention the most and that we recommend for anyone who seeks medical-grade air purification at home or for professional spaces like hospitals.

Best Ozone Generator for Odor Removal: ELINP Industrial Ozone Generator 10,000 mg/h

If you are looking for a solution for smoke and pet odors, we recommend this model, as it has proved to be the most suitable for odor removal in our top. It generates a constant 10,000 mg./h ozone output and can be used in rooms measuring up to 2,000 square feet. Plus, the treatment can be extended for as long as needed due to the built-in timer that comes with a Hold function.

Best Ozone Generator for the Money: Airthereal MA10K-PRO

It is produced by a respectable manufacturer, which will stand behind the 3-year warranty, ensuring both parts and labor and offering excellent customer support. The price is great, especially if you consider the strong construction and long-lasting ceramic plate, for which you will receive one free replacement or service within 5 years from purchase or for up to 20,000 uses.

Lillian Davies
Lillian Davies
Lillian is a fresh college graduate who has lived in Tucson for most of her life, battling the torrid heat ever since she was a child. She is quite versed in the topic of thermal comfort and what solutions work to make conditions more bearable when the temperatures go haywire, which makes her knowledgeable in the topics she writes about here. Since she is a perfectionist, Lilian always takes time to polish her articles before release, which makes her an irreplaceable part of the team.

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