Best commercial ozone generator – 2021 reviews

By now you must have realized that getting rid of odors from a small or large commercial space isn’t easy.

Whether you own a food business or a company that deals in products that have smells, when odors accumulate, it can be difficult to hang around. From tobacco smoke and mold to fire damage, garbage, mildew, and kitchen odor, you need a unique and effective method to eliminate these smells.

Remember that overexposure to some odors has major effects on your health other than just causing discomfort. This is why you need a method that removes all odors completely rather than masking them. When it comes to mold and odor removal in commercial spaces, nothing does a better job than a good commercial ozone generator.

Best commercial ozone generator – Our top 5 picks for 2021

Here are the best considerations if you are looking for an effective ozone generator to fight different kinds of odors:

OdorStop OS125002,000-10,000mg/h12,500 sq.ft
Enerzen High Capacity11,000mg4,000 sq.ft
Airthereal MA10K-PRO10,000 mg/h2,000 sq.ft
Mammoth 7,0007,000 mg/h2,000 sq.ft
OdorFree Estate 40001500-2800 mg/h4,000 sq.ft

1. OdorStop OS12500UV Ozone Generator with UV (Best Overall)

The OdorStop OS12500UV Professional Grade Ozone Generator is definitely the leading ozone generator in the industry. The OS12500UV is a unit that is perfect for sanitizing and deodorizing medium to large spaces.

It is ideal for homes, hotel suites, offices, apartments, restrooms, condos, and basements, among others. You can use it to eliminate all odors caused by mold, mildew, smoke, fire, tobacco, flood and water damage, and cooking smells.

Some of its features include:

  • Variable ozone output from 2,000-10,000mg/h
  • A 12-hour timer with a hold option
  • Room coverage of up to 12,500 square feet
  • Aluminum body
  • Two plates and Ultraviolet light

The OS12500UV comes with UV light to give it extra sanitizing power. By equipping it with the UV function, the machine can kill bacteria at a higher rate even when the ozone output is low. Also, its two plates are easy to clean without taking the whole unit apart.

2. Enerzen Commercial Ozone Generator (Best for large spaces)

The Enerzen Commercial Ozone Generator is an 11,000mg industrial air purifier, deodorizer, and sterilizer. It has a larger fan that can sterilize large square footage of room space. As a commercial-grade air purifier, the Enerzen 11,000mg is powerful enough to eliminate virtually all types of odors.

You can use it to get rid of cigarette, cigar, paint, dust, smoke damage, water damage, cooking odors, and many more airborne smells.

Its features include:

  • Ceramic ozone plates that provide increased usage hours
  • Uniform ozone output to minimize the need for re-treatment
  • Washable stainless-steel filter
  • 180-minute timer with HOLD function

This Enerzen ozone generator unit has a new and improved design that is easy to carry and store. When in use, it produces ultra-low energy to save costs. It also comes with an industrial-grade aluminum alloy casing which will keep the machine cleaning for many years.

3. Airthereal MA10K-PRO Industrial Ozone Generator

Airthereal MA10K-Pro

The Airthereal MA10K-PRO is an odor elimination machine with an ozone output of 10,000mg/h. It is a high-capacity ozone air cleaner for commercial spaces.

Because of its high capacity, you can use it to remove all types of smells from offices, restaurants, hospitals, hotels, schools, laboratories, farms, and more. Some of its features include:

  • 120 minutes timer
  • Room coverage of up to 2,000 square feet
  • 20,000-hour or 5-year service life
  • Easy operation
  • Minimal maintenance of its plates

The Airthereal MA10K-PRO allows you to increase the treatment frequency and duration to eliminate bad smells. Because of its two-hour timer, you can set the machine to run unattended. According to many commercial ozone generator reviews, the unit works best when used at least twice a week.

4. Mammoth 7,000mg Commercial Ozone Generator (Best for medium rooms)


If you are looking for a high capacity ozone generator for your business, the Mammoth 7,000mg Commercial Ozone Generator is what you should consider.

The Mammoth 7,000mg has an improved design and a larger unit. It can produce up to 7,000mg of ozone per hour. That is higher enough to sterilize larger square footage of room space.

Some of its essential features include:

  • A larger fan that produces more ozone
  • Improved timer unit
  • Proprietary ozone plates that diffuse more ozone efficiently
  • One-year warranty

The Mammoth 7,000mg is an industrial-grade air purifier that destroys odors instead of masking them. It utilizes activated oxygen technology to oxidize and get rid of airborne contaminants like bacteria and viruses.

During oxidation, the process decomposes the molecular structure of viruses, bacteria, and odors. That neutralizes them to ensure they do not return. Once complete, a room will smell clean and fresh.

5. OdorFree Estate 4000

One of the best commercial odor generators on the market is the OdorFree Estate 4000. The commercial odor eliminator machine is ideal for eliminating all sorts of smells. These include animal, pet, cigarette, chemical, food, cooking, fire damage, fragrance odors, and more.

It has a large ozone output that can cover different types of spaces. You can use it in houses, apartments, condos, basements, cars, gyms, dormitories, hotels, and more.

Some of its features include:

  • A one to a twelve-hour timer with a manual treatment option
  • Covers rooms of up to 4,000 square feet
  • Adjustable ozone output from 150mg/hr to 2800mg/hr
  • Five-year warranty

The OdorFree Villa 4000 works by taking in oxygen and converting it to ozone. After the conversion, the ozone will fill every unoccupied space. It will then break down all odor molecules and kill microorganisms. Its plates are easy to clean, and the whole unit is easy to maintain.

Why use an ozone generator to fight odors?

Ozone generators are a class of air purifiers that use ozone (O3) to get rid of odors. The O3 produced is powerful enough to inhibit mildew, mold, and germs. Furthermore, these machines can deodorize all living spaces.

That is because they can neutralize all forms of malodorous smells with ease. Through proper use, ozone generators can be effective tools for eliminating nasty smells in your business area and ensuring they never return. But you need the best commercial ozone generator to fight odors effectively.

Found your ideal machine?

If you want to buy the best commercial ozone generator, consider one that has a large ozone output. Also, the best O3 air purifier is one that can cover a large room of over 2,000 square feet. Ensure to follow the manufacturer’s instructions when using the machines. That is because ozone is dangerous to humans. In most cases, you will have to wait up to two hours after treatment to go back to the room.