Best Ozone Generators of 2025

"Initially, I was skeptical about OZONE generators, but after researching, I discovered that many auto detailers utilize them to eliminate smoke and musty odors from used cars. After using it for just 15 minutes on a bathroom remodel with mold, I was pleasantly surprised to find all the mold completely gone! This saved me hundreds of dollars I would have spent on a contractor for mold abatement. Just remember to keep pets out and seal the room well, as ozone can be harmful to them."

"My husband bought a used truck that had a strong smoke smell. After some research, I found that an ozone machine was the best solution for removing odors. I ran it for 180 minutes and let the truck air out overnight, and now the smell is completely gone! It has a faint chlorine scent that is supposed to dissipate as well. It’s a worthwhile investment, especially so my husband doesn’t come home smelling like smoke!"

"I must emphasize the importance of researching this product before using it. It can be extremely dangerous to humans and pets if not handled correctly. Nevertheless, we’ve had no issues with it in nearly two years. This device has helped eliminate horrendous smells from things like mold and smoke. Just follow safety precautions, seal off the area, and allow the ozone to work its magic. Once done, ventilate the area thoroughly until the petrichor smell fades. It's been a lifesaver in preserving cherished items!"

"This product works as advertised! I had a musty smell in my Airbnb kitchen, and after running the unit, it completely took care of the odor."

"I found that while it works well, the smell can linger in the room for a while. I had to use a candle to improve the scent."

"Before purchasing an ozone machine, I read up on it, and I'm glad I did. This affordable unit generated a massive amount of ozone and helped with cleaning a rental unit. It's also smaller and fits nicely in my garage when not in use."

"I wanted to deodorize my car, which had a water leak causing wet carpet padding. This little unit is incredibly strong and does exactly what it claims: it outputs a lot of ozone on a timer and is completely cordless once charged. Just remember to leave the area while it runs because ozone can be harmful. After using it, the car smells much fresher, and the effects last a long time, provided the source of the odor is fixed. Overall, it's absolutely worth the money."

"I purchased this ozone generator for my hunting tote last year. It works exceptionally well and is cheaper than most brand name units. I did experience a minor issue with the buttons slipping inside, but I found it easy to fix by disassembling it. I appreciate how repairable this product is compared to others that are designed to break easily. In a world of disposable products, this one stands out for its simplicity and durability."

"I never write Amazon reviews, but I have to acknowledge how helpful this machine has been for me. I bought a pre-owned Lexus, and after a day, it revealed a terrible smell that made me dread getting in. After researching, I learned that ozone is key for odor elimination. I ran the machine for several hours and followed a careful process, and it really worked! I was skeptical, but the results were impressive. Just remember to follow the manual for safety precautions!"

"As a remodeler, I faced a severe dog waste odor issue in a basement. After running this ozone machine for a couple of days, I was thrilled to find that it completely eliminated the odors. It's easy to move and has great timer features. Just remember to leave the room when it's running!"

"I was desperate to remove the smoky odor from my son's apartment. After trying everything else, I discovered this ozone generator. We ran it for 6 hours on two days, and the smell is completely gone! The air feels lighter and fresher now. Plus, their customer service was exceptional when I had an issue with my first unit."

"After a friend left behind a strong odor in our shared apartment, I was at my wit's end. I cleaned thoroughly but nothing worked until I tried this ozone generator. I ran it for 10 hours, and it removed all the unpleasant odors! It was a fantastic investment for anyone needing to tackle stubborn smells."

"I’ve used this machine twice in my home to eliminate 20 years of cigarette smoke and dog odor. The house smelled really clean for a week! After using it, I couldn’t detect any cigarette smoke when entering. Although smokers returned, I'm working on stopping that. It’s a powerful little machine that covers our 4-bedroom home effectively!"

"This ozone generator has transformed how I manage pet smells in my home. With 5 dogs and 2 ducks, keeping the house fresh was a challenge. Now, we have a weekly ozone day where I run the generator for 3 hours, and the results are unbelievable! For two days, you can barely tell we have pets!"

"I really love this machine! Living in a humid area leads to a lot of mold, and I primarily use it to eliminate mold spores and viruses in the air. It works incredibly well and is very easy to operate!"

"I am thoroughly impressed with this high-output ozone generator! It's a game-changer for tackling tough odors and sanitizing spaces. The output level is phenomenal, perfect for larger areas or difficult situations like eliminating pet odors, smoke, or mildew smells. Its ease of use, with intuitive controls and sturdy design, makes it user-friendly and durable. After just a few uses, I've noticed a significant improvement in my home's air quality. The timer function adds a great safety feature, allowing me to run it without worry. I highly recommend this ozone generator; it's worth every penny!"

"I'm blown away by the performance of this Ozone Generator! With its 45,000mg/h output, it's incredibly powerful for tackling even the toughest odors. The setup is straightforward, with simple controls and no unnecessary complications. It's well-built, durable, and lightweight, making it easy to move around. The price point is fantastic for such a high-performing unit. I've tried other ozone generators, but this one truly stands out for its efficiency and effectiveness. Highly recommended for anyone looking for a reliable way to eliminate odors or purify spaces!"

"After the hurricanes, I purchased the Ozone Generator 45,000mg/h, and it has far surpassed my expectations! This industrial-grade air purifier is incredibly efficient at removing stubborn odors in large spaces, including my flooded car. I noticed a dramatic improvement in air quality after just one use in my car, and it effectively eliminated pet odors and other persistent smells at home. The power and efficiency of this unit are outstanding, and its solid build quality makes it straightforward to operate and store. For the price, it offers exceptional performance and versatility; it's a must-have for tough odors!"

"I can't believe how incredible this product is! It's a true powerhouse that tackles the job effortlessly. Plus, it's surprisingly affordable, making it even better. After just 30 minutes of use, my entire house smells fresh and odor-free. I'm absolutely blown away!"

"I used this to clear out the cigarette smoke from my garage that had been smoked in for years. The smoke was so bad it would take your breath away. This machine made it tolerable to be in there and saved me from having to pay a local remediation service $750!"

"This item worked perfectly at removing odor from a commercial building. After just a few hours, the odor was no longer there. It works and the price is great."

"I ordered this ozone generator to tackle the terrible smoke smell left by my guests. After running it while we were out, I returned to find no trace of the odor. It was almost unbelievable how effective it was!"

"At first, I was skeptical about how this small device could possibly deodorize a space. However, after using it in a smoky car, I was completely impressed. It did an incredible job, and the instructions were straightforward!"

"After trying various products for the musty smell in my shed, I decided to use this ozone generator. I was amazed at how much better the shed smelled after just one use. It really is a game-changer for odors!"

"I recently bought the ONAMOR Ozone Generator, and I am blown away by its performance! It has been a game-changer for eliminating tough odors from cooking, pets, and my musty basement. After just a couple of hours of use, the air quality in my home improved significantly. The setup was simple, and I love the adjustable timer settings. Additionally, the unit feels solid and is compact, making it easy to store. Following the safety instructions ensures my family stays safe while enjoying fresh air. I highly recommend this product!"

"I've been using this ozone cleaner for a few weeks now, and it has exceeded my expectations. It's easy to operate, works efficiently, and has become an essential part of my cleaning routine. I love that it removes odors and sanitizes without harsh chemicals. Its small size makes it portable and easy to store. I also appreciate the quiet operation, which is fantastic for longer cycles!"

"This machine is great! I live in a humid climate, and I use it consistently to keep the mold at bay. It successfully eliminates odors, although it sometimes requires a few tries for more stubborn smells. I like its sleek design, and the longer timer is a nice upgrade from my last ozone machine. I hope it lasts a long time!"

"I am absolutely thrilled with this Ozone Generator 48,000mg! It’s a game-changer for both commercial and residential use. I’ve used it in large spaces, and it quickly eliminates odors, leaving everything fresh and clean. Its solid build quality and ease of use are impressive, and I love the built-in timer for added convenience and safety. This device is definitely worth every penny, and I highly recommend it for tackling tough odors!"

"I recently bought this ozone generator for my beater car to get rid of cigarette smells, and I must say, it has exceeded my expectations. After just an hour of treatment with the doors closed and another hour to air out the car, the smell was completely gone! The instructions are clear, and operating it is simple. Despite its high capacity, it’s very portable. I plan to use it in my basement next!"

"I’m really pleased with this purchase. It works just as advertised and is surprisingly powerful for its size. I tackled the musty smell in my wife’s car and after running it for about 20 minutes, it had a nice clean smell. I also used it in our guest bedroom, which had a stale odor. After a 30-minute treatment, the difference was noticeable. Overall, this is the best air cleaner I’ve used, and I’m very impressed!"