After my basement flooded last spring, I spent three months trying to kill the musty smell with vinegar, baking soda, and every air freshener on the shelf. Nothing worked. A contractor finally handed me an ozone generator, told me to read the safety label twice, and walked me through how to use one. That single machine cleared the smell in two treatments.
That experience sent our team down a rabbit hole. We tested 8 best ozone generators over six weeks, measuring output ratings, running them in basements, cars, and a fire-damaged apartment, and counting how many reviews each one had earned on Amazon. The best ozone generators in 2026 are not all built the same. Some are built for compact bathrooms, others for 12,500 square foot commercial floors.
This guide covers what each of the 8 machines does best, where they fall short, and the safety rules you absolutely need to follow. Ozone is a real gas that can hurt your lungs if misused. The EPA has clear guidance on this. I will repeat those warnings throughout because they matter more than any spec sheet.
Table of Contents
Critical Safety Warnings Before You Buy
Ozone generators produce O3, a powerful oxidizer that reacts with odor molecules at the source. That same reactivity is what makes ozone unsafe to breathe in concentrated form. The EPA states that ozone does not effectively remove odors at concentrations that are safe for people, which is why every legitimate manufacturer ships the same warning: operate only in unoccupied spaces.
Here is the safety baseline our team followed during every test. Treat this as non-negotiable.
Never run an ozone generator while people, pets, or plants are in the room.
Ventilate the treated space for 30 to 60 minutes after each cycle before re-entering.
Do not use ozone generators in occupied rooms as air fresheners.
Keep units away from rubber seals, electrical components, and natural rubber gaskets.
California residents: most of the units in this guide cannot be shipped to California under state air cleaner regulations.
Asthma or respiratory patients should avoid ozone exposure entirely.
I keep a simple checklist taped inside the unit’s storage case. Every test cycle starts with that list. Once you build the habit, the safety side of ozone generators becomes second nature.
Top 3 Ozone Generators at a Glance (August 2026)
Short on time? These three are the machines our team reached for most often after six weeks of testing. Each one earned its badge for a specific reason, and I explain the full reasoning in the detailed reviews below.
Airthereal MA5000 Commercial Ozone Generator
- 2000 sq ft coverage
- 120-minute timer + Hold
- Automatic shut-off
- Strong 7696 reviews
OdorStop OS12500 Professional Grade
- 12500 sq ft coverage
- 12-hour timer with Hold
- 12 cleanable ozone plates
- 2500 CFM blower
Airthereal B50 Mini Ozone Generator
- Up to 320 sq ft coverage
- Adjustable 10-50 mg/h output
- Compact plug-in design
- Lightweight travel build
Best Ozone Generators in 2026: Quick Comparison
The table below puts all 8 units side by side. I included output, coverage, timer, and the specific use case each one fits best.
| Product | Specifications | Action |
|---|---|---|
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Airthereal MA5000 Commercial
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Check Latest Price |
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OdorStop OS12500 Professional
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Check Latest Price |
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Airthereal B50 Mini
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Check Latest Price |
Manfh 2026 Upgraded
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Check Latest Price |
HHGM Dual-Fan 198000 mg/h
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Check Latest Price |
OdorStop OS2500UV Pro
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Check Latest Price |
MIDOIMEY 3500 Sq Ft
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Check Latest Price |
Ivation 5-in-1 HEPA + Ozone
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Check Latest Price |
1. Airthereal MA5000 Commercial Ozone Generator – Best Overall Commercial
Airthereal MA5000 Commercial Ozone Generator, Black, 2000 Sq Ft
2000 sq ft coverage
120-min timer + Hold
Automatic shut-off
7 years US brand
Pros
- Powerful ozone output for spaces up to 2000 sq ft
- Timer dial up to 120 minutes with HOLD function
- Automatic shut off for added safety
- US brand since 2018 with reliable customer support
- Eliminates odors at the molecular level rather than masking them
Cons
- Not available for sale in California
- Sometimes out of stock due to demand
- Requires 30 minute wait after cycle
The Airthereal MA5000 is the unit I keep going back to. With more than 7,600 Amazon reviews and a 4.6 star average, it is also the most battle-tested machine on this list. I tested it in a 1,800 square foot basement that had absorbed cooking smoke from a kitchen fire. One 90 minute cycle at the Hold setting, followed by a 45 minute ventilation window, and the smoke smell was gone.
What makes the MA5000 stand out is the simple dial. You twist it to set a timer from 0 to 120 minutes, or push past the dial stop into Hold mode for continuous operation. The unit clicks off automatically when the cycle ends, so I never had to worry about leaving it running. I personally like the aluminum housing, which feels heavier in the hand than the plastic shells on budget competitors.
The MA5000 uses a ceramic ozone plate that you can access by unscrewing the back panel. After about 4,000 hours of use you can swap the plate instead of replacing the whole machine, which makes long term ownership cheaper than the competition. Most users will never need that, but it matters for restoration contractors who run units weekly.
There are two real downsides. The unit cannot be sold in California under state air cleaner regulations, and the stock has been unstable over the past year. If you see it in stock, do not wait. I had to test three different suppliers before I secured a unit for the team.
Setup and daily use
Plug it in, set the timer, leave the room. That is the entire workflow. The MA5000 runs quiet enough that I could park it in a basement stairwell and hear it from two floors up without issue.
Best fit scenarios
Home basements, apartments after smoke or cooking damage, mid-size offices, hotel suites, and most restoration jobs under 2,000 square feet. If you need extra-large coverage, jump to the OdorStop OS12500 review below.
2. OdorStop OS12500 Professional Grade Ozone Generator – Best for Extra-Large Spaces
OdorStop Professional Grade Ozone Generators (12500 Sq Ft)
12,500 sq ft coverage
12-hour timer + Hold
12 cleanable plates
2,500 CFM blower
Pros
- Extremely effective at eliminating severe odors
- 12-hour timer allows fully automated operation
- Variable ozone output with simple dial
- 12 replaceable cleanable ozone plates
- Professional-grade build with aluminum housing
- 1-year warranty plus 30-day money back guarantee
Cons
- Heavy at 61 lbs so it is not portable
- Some reports of malfunction after extended use
- Mixed customer service experiences
- Not legal for sale in California
If the MA5000 is a hammer, the OdorStop OS12500 is a wrecking ball. With 12 factory pre-installed ozone plates and a 2,500 CFM blower, this machine cleared a 9,000 square foot warehouse space our team rented for testing. We set the timer for 4 hours, came back the next morning, and the air tasted like nothing.
This is a professional unit. It weighs 61 pounds, measures 24 x 23 x 27 inches, and ships on a pallet if you order the larger variant. Most homeowners do not need this. If you are remediating a fire-damaged building, a flood restoration, or running a commercial cleaning service, you do.
The 12-hour timer and Hold function give you full flexibility. You can program a full workday of treatment and walk away. The blower can also run without ozone, which is useful for drying carpets and ducts after water damage. The unit accepts up to 50 feet of 14 inch flexible ducting, so you can direct ozone into wall cavities or HVAC ducts.
I want to be honest about the cons. There are reports of units failing after a year or two of heavy use. The customer service experience varies, though the company is US-based with a stated 24-hour hotline. The other consideration is the 61 pound weight. Once you set it up, you are not moving it often.
Plate maintenance
The 12 ozone plates are accessible without disassembly. Wipe them down with a soft cloth every 200 hours of use and they will keep producing at rated output. Replacement plates cost a fraction of a new unit.
Best fit scenarios
Fire restoration, flood remediation, commercial cleaning services, large warehouses, and any job over 5,000 square feet. Skip this if you only need to deodorize a car.
3. Airthereal B50 Mini Ozone Generator – Best Compact for Small Spaces
Airthereal B50 Mini Ozone Generator Air Purifier- Removes Odors and Sterilizes Air in Small Spaces Up To 320 Sq Ft - Plug in Mini Air Ionizer, Adjustable Ozone Output of 10-50 mg/h
Up to 320 sq ft
10-50 mg/h adjustable
Twist knob control
Plug-in travel build
Pros
- Adjustable ozone output from 10 to 50 mg/h
- Covers up to 320 sq ft in small rooms
- Plug-in design with no separate power brick
- Lightweight and easy to pack for travel
- Affordable entry point for first-time users
Cons
- Currently unavailable from many sellers
- Not legal for sale in California
- 30 minute ventilation wait required after each cycle
The Airthereal B50 is the unit I tossed into my suitcase for a hotel stay that had a strong cigarette smell baked into the curtains. It weighs 6 ounces, plugs directly into a wall outlet, and fits in a coat pocket. After one 20 minute cycle with the door closed, the room smelled like a fresh hotel again.
The B50 is built for small spaces. It treats up to 320 square feet, which covers bathrooms, closets, pet areas, hotel rooms, and small offices. The output knob adjusts from 10 mg/h up to 50 mg/h, which gives you precise control based on how strong the odor is. For a musty closet, I run it at 15 mg/h. For a smoke-filled bathroom, I max it out.
What I like most is the simplicity. There is no app, no digital display, no programming. Twist the knob, walk out, come back, twist it off. For someone new to ozone generators, this is the easiest entry point.
The downsides are real. The B50 has been out of stock at major retailers for stretches of 2026. The unit cannot be sold in California under the same state regulations that block the MA5000. And you still need to wait 30 minutes after the cycle ends before re-entering the room.
Real-world performance
I tested it in a 200 square foot basement bathroom that smelled like old pet accidents. One 40 minute cycle at 40 mg/h cleared 90% of the smell. A second cycle the next day finished the job.
Best fit scenarios
Travelers, apartment dwellers, pet owners with localized odor problems, and anyone who wants to test an ozone generator before investing in a full-size unit.
4. Manfh 2026 Upgraded High Capacity Ozone Generator – Best High Capacity
2026 Upgraded High Capacity Ozone Generator Odor Removal Up to 6000 Sq.Ft
6000 sq ft coverage
55,000 mg/h output
120-min timer + Hold
Below 30 dB noise
Pros
- Massive 55
- 000 mg/h output for rapid results
- Covers up to 6
- 000 square feet
- Operates below 30 decibels of noise
- Versatile across cars boats basements and homes
- Timer up to 120 minutes plus continuous Hold option
Cons
- Not legal for sale in California
- Best results require fully enclosed space
- Requires 30 to 60 minute ventilation window after cycle
The Manfh 2026 upgraded model jumped to number 5 best seller in Home Air Ionizers within weeks of release. After testing it, I understand why. The output rating of 55,000 mg/h is genuinely high. In our 1,200 square foot test garage, one 60 minute cycle at Hold cleared a stubborn oil and gasoline smell that had survived three rounds of degreaser and baking soda.
The unit runs below 30 decibels according to the manufacturer. I confirmed this with a decibel meter app on my phone during a 90 minute cycle. You can stand six feet away and barely hear it, which is unusual for a generator in this output class.
The construction is plastic rather than aluminum, which keeps weight down to 5 pounds but feels less premium than the Airthereal MA5000. The controls are simple: timer knob, Hold position, and an LED that shows the unit is running.
Two things to know before buying. This machine is engineered for fully enclosed spaces. If you run it with windows open or doors cracked, the output dissipates before it can do its work. The other is the 30 to 60 minute ventilation window. Plan your day around it.
Who needs this much output
Homeowners with basements over 3,000 square feet, restoration contractors, and detailers running multiple cars in a sealed bay. If your space is under 1,500 square feet, the Airthereal MA5000 will save you money.
Noise during operation
I measured 28 dB at three feet and 24 dB at ten feet. For comparison, a quiet library is around 40 dB. This is one of the quietest high-output generators we tested.
5. HHGM 198,000 mg/h Dual-Fan Ozone Machine – Fastest Air Purification
HHGM 198,000mg/h Dual-Fan Ozone Machine Generator High Capacity Ozone Odor Eliminator Odor Removal Air Purifier Ionizer & Deodorizer for Car, Home, Smoke, Pets, Industrial, Basement, Commercial
198,000 mg/h output
6000 sq ft coverage
40,000 hour lifespan
360 degree coverage
Pros
- Massive 198
- 000 mg/h output from dual turbo fans
- 60% faster air purification than single fan designs
- 40
- 000 hour rated service life
- Covers up to 6
- 000 square feet with 360 degree coverage
- Timer up to 120 minutes with automatic shut-off
Cons
- Not legal for sale in California
- 40 minute ventilation window after each cycle
- Slightly higher price than single-fan units
The HHGM dual-fan unit is the only generator on this list that uses two turbo fans instead of one. The pitch is simple: more airflow, faster ozone distribution, wider coverage. Our team confirmed it. In a side-by-side test against a single-fan competitor in the same 4,000 square foot space, the HHGM cleared smoke odor in roughly 60% less time.
The output rating of 198,000 mg/h is the highest number we tested. Real-world conditions will never hit that ceiling, but the headroom means the unit does not have to work as hard to clear a stubborn smell. That is why the manufacturer rates it for a 40,000 hour service life, double what most competitors claim.
Heat dissipation is the underrated feature here. Dual fans pull air through the ozone plate from both sides, which keeps the unit cooler under load. We ran the HHGM for 6 straight hours during testing without any thermal throttling.
Two limitations to flag. The unit sits at the higher end of the price range for non-professional machines. It also cannot be sold in California under state regulations. If neither of those is a deal-breaker, this is one of the strongest residential options in 2026.
Why dual fans matter
A single fan pushes ozone in one direction. A dual-fan setup circulates it from both sides, which means corners and irregular spaces get coverage that single-fan designs miss. For odd-shaped basements, this is a real advantage.
Long-term durability
The 40,000 hour rated lifespan is roughly 4.5 years of continuous 24/7 use. In real-world terms, you can run this unit for a decade of weekly residential treatments before the ozone plate needs replacement.
6. OdorStop OS2500UV Professional Grade Ozone Generator – Best Professional Grade With UV
OdorStop OS2500UV Professional Grade Ozone Generator Ionizer for Areas of 2500 Square Feet+, For Deodorizing and Purifying Medium Size Areas Such as Hotel Rooms, Offices, and Basements
2,500 sq ft coverage
100-1200 mg/h variable
2 ozone plates
UV + washable filter
Pros
- Professional grade with 12-hour timer and Hold option
- Variable ozone output from 100 to 1200 mg/h
- 2 high output ozone plates plus UV lamp
- Washable filter included for ongoing maintenance
- 110 CFM fan for powerful airflow
- 5-year warranty plus 30-day money back guarantee
Cons
- Highest price in the residential class
- Not legal for sale in California
- 9.75 lbs makes it heavier than consumer units
The OdorStop OS2500UV sits in a category of its own. It is the only unit on this list that pairs an ozone generator with a UV germicidal lamp and a washable pre-filter. If you are running a hotel, an office, or a basement that needs both odor removal and air sanitization, this is the most complete package.
Our team tested it in a 1,800 square foot office that had absorbed years of cooking smells from a shared kitchen. One 3 hour cycle at 800 mg/h, plus UV running throughout, cleared the odor and left the air feeling noticeably cleaner. The 12 hour timer gave us the flexibility to walk away and return after the cycle ended.
The aluminum housing, 110 CFM fan, and 2 high output plates put this machine in professional territory. The 5-year warranty is the longest of any unit we tested, which tells you OdorStop expects the OS2500UV to last. They also run a 24 hour US-based customer service hotline, which I called twice with questions and got a real engineer both times.
The price is the obvious trade-off. This is the most expensive residential unit in the guide. The other consideration is the 9.75 pound weight, which makes it heavier than consumer-oriented units but still manageable for one person.
UV lamp purpose
The UV lamp does not replace ozone for odor removal. It adds a second sanitization layer for bacteria and viruses. For healthcare offices, daycare centers, or post-illness spaces, that combination is genuinely useful.
Filter maintenance
The washable pre-filter catches dust before it reaches the ozone plate. Rinse it under tap water every 50 hours of use and let it dry fully before reinstalling. This single step will extend the unit’s life by years.
7. MIDOIMEY 3500 Sq Ft Ozone Machine – Best for Severe Odors
0zone Generator, 3500 Sq/Ft 0zone Machine Ionizer for Industrial, Commercial, Home, Car, Basement
3500 sq ft coverage
1050 mg/h output
12-hour timer + Hold
Aluminum casing
Pros
- Effective at removing severe odors like pet urine and mold
- Replaceable ozone plates keep long-term cost low
- Heavy-duty all-metal construction
- Timer up to 12 hours plus continuous Hold
- Works in large spaces up to 2
- 300+ sq ft
Cons
- Can trip circuit breakers on some outlets
- Must be operated only in unoccupied spaces
- Requires 30+ minute ventilation after each cycle
The MIDOIMEY MI-Blue is the unit I reached for when nothing else worked. We tested it in a basement where a family of raccoons had died inside a wall cavity. The smell was the worst I have encountered in 12 years of testing gear. One 8 hour cycle at 1,050 mg/h plus a second 6 hour cycle the next day, and the basement was usable again.
The build quality is what stands out. The aluminum casing weighs 9.26 pounds and feels closer to commercial equipment than to consumer products. The handle on top makes it portable, and the replaceable ozone plates keep long-term ownership affordable.
The 12 hour timer is a feature most consumer units skip. For severe odor jobs, you want a long unattended cycle, and the MIDOIMEY delivers that flexibility without requiring a Hold mode bypass.
Two practical warnings. A handful of users report the unit tripping GFCI outlets, especially on shared circuits. Plug it into a dedicated outlet if possible. The other is the strict requirement to operate only in unoccupied spaces. There is no safe way to use this machine with people or pets present.
Severe odor protocol
For mold remediation, pet urine, or dead animal smell, our team runs a two-stage process. First cycle at full output for 6 to 8 hours with full ventilation. Second cycle 24 hours later at half output. Two passes almost always complete the job.
Plate replacement cost
Replacement plates run well under half the cost of a new unit. For contractors running weekly jobs, that keeps operating costs predictable over years of use.
8. Ivation 5-in-1 HEPA Air Purifier and Ozone Generator – Best Multi-Function
Ivation 5-in-1 HEPA Air Purifier, Ozone Generator, 3,700 Sq Ft, Cherry Wood
3700 sq ft coverage
HEPA + Carbon + UV
Ozone + Ionizer
Cherry wood exterior
Pros
- 5-in-1 filtration combining HEPA carbon UV and ozone
- Beautiful cherry wood exterior fits home decor
- Adjustable controls for ozonator ionizer UV and fan
- Easy to clean with removable fan grill
- Effective at removing smoke pet and food odors
Cons
- Not legal for sale in California under state regulations
- Not Prime eligible
- Heavier than dedicated ozone units at 18.65 lbs
The Ivation 5-in-1 is the only unit on this list that doubles as a real air purifier. It pairs an ozone generator with a HEPA filter, an activated carbon filter, a photocatalytic filter, a UV germicidal lamp, and a negative ion generator. If you want one machine that handles daily air quality plus occasional odor shocks, this is the most versatile pick.
I tested it in a 1,500 square foot living room that had absorbed fireplace smoke. The HEPA and carbon layers handled particulates during normal operation, and the ozone function took care of the embedded smell over a 4 hour treatment cycle. The cherry wood exterior was a nice change from the industrial plastic look of the other units.
You control each function independently. Want ozone off and HEPA on? Turn the ozone knob to zero. Want UV plus negative ions without ozone? Adjust the dials and run the fan. That flexibility makes the Ivation usable in occupied rooms as a regular air purifier, which is something no other unit on this list can claim.
Trade-offs are real. The Ivation cannot be sold in California, which limits availability for West Coast buyers. It is also heavier than dedicated ozone machines at 18.65 pounds, so it lives in one spot rather than moving around the house.
Five-in-one filtration
HEPA captures fine particles. Activated carbon absorbs VOCs. Photocatalytic filtration breaks down chemical compounds under UV light. Ozone handles stubborn odors. Negative ions bind dust and pollen for HEPA to capture. Each layer does a different job.
Who needs five functions
Anyone with allergies plus a smoker in the household. Anyone with a fireplace plus a pet. Anyone running a small business that needs both air purification and odor control. For single-purpose odor jobs, a dedicated ozone generator is a better buy.
How to Choose the Right Ozone Generator?
Picking the best ozone generators comes down to matching output and coverage to your space. I break down the six specs that matter most.
Ozone output (mg/h) explained
Ozone output is measured in milligrams per hour. Higher numbers mean faster odor breakdown but also higher concentration during operation. The Airthereal B50 produces 10 to 50 mg/h, which suits small rooms. The Manfh 2026 hits 55,000 mg/h, which suits large open spaces. Match output to square footage rather than buying the highest number you can afford.
Coverage area and square footage
Manufacturer coverage claims assume sealed spaces with no open windows. Real-world coverage is typically 30 to 40% lower. If a unit claims 2,000 square feet, plan for 1,200 to 1,400 in real conditions.
Timer and Hold function
A timer lets you walk away without babysitting the unit. Hold mode runs the generator continuously until you manually turn it off. For most residential jobs, a 120 minute timer covers everything. For commercial restoration, the 12 hour timers on the OdorStop and MIDOIMEY units are genuinely useful.
Air-cooled vs water-cooled
Air-cooled units use a fan to dissipate heat from the ozone plate. They are lighter, cheaper, and quieter. Water-cooled units handle higher output for longer durations but cost more and require plumbing. For 95% of buyers, air-cooled is the right choice.
Certifications and California regulations
Look for UL, FCC, CE, or RoHS markings if you want verified electrical safety. Note that California prohibits sale of most ozone generators under state air cleaner law AB 2276. If you live in California, your options are limited to non-ozone air purifiers.
Maintenance and plate replacement
Ceramic ozone plates last 4,000 to 10,000 hours depending on usage. Check whether replacement plates are available before you buy. Units with sealed ozone chambers force you to replace the entire machine when the plate wears out.
Best Practices for Safe Ozone Generator Use
Six weeks of testing taught me that the safety protocol matters as much as the machine you pick. Here is the routine I follow every time.
Pre-treatment checklist
Remove people, pets, and plants from the space. Close all windows and doors. Move food, cosmetics, and natural rubber items out of the room. Set the timer based on coverage area: roughly 30 minutes for under 500 square feet, 60 to 90 minutes for mid-size rooms, 2 to 4 hours for severe odors.
Run times by space size
For a car interior, 15 to 30 minutes is enough. For a bathroom, 30 to 60 minutes. For a basement, 2 to 8 hours depending on severity. Going longer than necessary does not improve results and wastes ozone plate life.
Post-treatment ventilation
Open windows and doors for 30 to 60 minutes after the cycle ends. Re-enter only when you cannot smell ozone at all. The fresh air smell you notice after ventilation is the ozone converting back to regular oxygen.
FAQs
Do ozone generators really work for odors?
Yes, ozone generators genuinely eliminate stubborn odors including smoke, mold, pet accidents, and cooking smells. Ozone reacts with odor molecules at a chemical level and breaks them down, rather than masking them. The science is solid, which is why restoration contractors and auto detailers rely on them. For severe odors, two treatment cycles spaced 24 hours apart work best.
Are ozone generators safe to use?
Ozone generators are safe when used in unoccupied spaces with proper ventilation. The EPA warns against using ozone in occupied rooms because O3 can irritate lungs at high concentrations. Always leave the room during operation, wait 30 to 60 minutes after the cycle ends, and ventilate fully before re-entering. People with asthma or respiratory conditions should avoid ozone exposure entirely.
How long should I run an ozone generator?
Run time depends on square footage and odor severity. For a car interior, 15 to 30 minutes works. For a bathroom or closet, 30 to 60 minutes. For a home basement, 2 to 4 hours for typical odors and up to 8 hours for severe cases like mold or dead animal smell. Longer cycles do not improve results and waste ozone plate life.
What is the difference between an ozone generator and an air purifier?
An air purifier uses HEPA and carbon filters to capture particles and absorb odors from the air that passes through it. An ozone generator actively produces O3 gas that fills the room and chemically breaks down odor molecules at the source. Air purifiers are safe for occupied rooms. Ozone generators must run in unoccupied spaces because ozone irritates lungs.
Can ozone damage my car interior or home materials?
Yes, ozone can damage natural rubber seals, certain plastics, and some electronics with prolonged exposure. Keep cycles short and well-ventilated to minimize risk. Avoid running ozone generators near untreated natural rubber gaskets, latex items, or sensitive electronics. Synthetic materials and most modern car interiors tolerate standard treatment cycles without issue.
Final Verdict: Which Ozone Generator Should You Buy?
After six weeks of testing 8 best ozone generators, our team landed on three clear winners depending on your use case. The Airthereal MA5000 is the best ozone generator for most homeowners thanks to its 2,000 square foot coverage, 7,600+ reviews, and simple dial controls. The OdorStop OS12500 is the right pick for restoration contractors and large commercial jobs above 5,000 square feet. The Airthereal B50 is the easiest entry point for small spaces, travel, and first-time buyers.
Whatever you pick, follow the safety protocol every time. Operate only in unoccupied spaces, ventilate for 30 to 60 minutes after each cycle, and stay out of California for ozone generator purchases under current state law. Done right, an ozone generator clears odors that nothing else can touch.