Airthereal B50-PRO Mini Ozone Generator with Negative Ion - Plug-in Odor Eliminator Disinfecting Machine with Timer and Cycled Mode

I bought this because my furnace had a musty smell after a basement flood a couple months ago. Ozone should kill any mold in the vents. I purchased this one in particular because the ion feature should also improve the efficiency of my HVAC filters. I placed it near the cold air return closest to the furnace plenum and turned it on.Pros:- Adequately clears the air in my entire 2200sf home when placed next to the furnace intake- While running in this configuration, ozone concentrations throughout the home stay below unsafe levels- Absolutely delightful texture on the plastic housing, someone nailed the aesthetic design of this thingCons:- The ozone production rate is not adjustable like it is on other models from this manufacturer- There is no long-term continuous operation mode (which is probably done on purpose for safety, but for deep cleaning it'd be nice to have)I'm not gonna dock a star just because this thing lacks a particular optional feature. It does what it says on the box and it does it better than it says on the box.To fully clear out my vents of any possible mold, I'd have to run this thing in its 5 minute cycle mode for a week, which could risk an unsafe buildup of O3 in my home. I'll have to plan that around some vacation time or something. A fully continuous operating mode could do it in a single day while I'm out running errands.Long term, I think I'll buy a second one just for the garage. And possibly another one to tear apart for a DIY project to connect it to the furnace so it turns on with the blower, though an adjustable O3 output might be better suited for that, just to keep ozone levels safe.

I really liked how this would cycle on for 5 minutes and then off for 25/30 minutes.We used it off and on for six months and then constantly for another six months.After a year, the cycling on and off feature quit working.For the low price, I will purchase a second one, but have trepidation about how long it will last.

I really liked this device and had high hopes for it. It was great for about a month, but then started making a noise and soon quit working. I liked the way you can have the ozone generated for either 1/2 hour or continuously. It ran quietly and made a soft “white noise” kind of sound.UPDATE: in follow up to my review I was contacted because of the problem and a new device is on the way. Great customer service! I had not planned on asking for a replacement or a refund, but the replacement was freely offered. What a pleasant surprise! I do like the device and look forward to using it again soon.This is an update: after several months this device continues to run very quietly and appears to do everything that it is supposed to do. The button used to initiate the production of ozone causes an almost imperceptible change in sound and the ozone smell begins. I understand this is helpful in stopping odors. I am very pleased with my purchase! I recommend not only this device but also the seller who stands behind the product.

Seemed like it was doing it's job for the first few months, but then stopped working. No lights, no fan, nothing. I tried unplugging it and plugging it back in. I tried leaving it unplugged for a days to try to give it a rest. No luck. It just died after about three months of use. Chinese made junk!!!Update 08/28/2024...was contacted by the manufacturer and they sent a replacement unit. Arrived in just one day. The new one seems to be working fine. When these units work, they do a good job of removing all odors. I will update this review again in a few months. Hopefully the little unit continues to work, because it does remove odors!Update 10/22/2024...the replacement unit sent by the manufacturer also failed. It is now completely dead again. No lights, no fan, nothing works or lights up at all. I again tried unplugging it and plugging it back in and like the last time, I tried leaving it unplugged for a days to try to give it a rest. No luck. This one died after less than two months of use. Chinese made junk!!!

I bought this to remove the old weird smell in the laundry room and one of the guest rooms in my home. My best guess is that they had a dog that was poorly houstrained or some other pet that urinated on the floors. I had thought that after shampooing the carpet, and a few years of living in the space and running a UV and Hepa filter based air purifier, or an ionic Honeywell tower filter in those rooms the odd smell would go away.It didn't, so I wanted to try using Ozone to clear out the smell this time. I did not want to buy a massive and expensive Ozone generator that would force me to evacuate the entire home for the duration of its use.Using this product I've found that it doesn't just cover up the smell it oxidises the source of the smell as well as the smell itself. Which is very good.Pros of this product:Looks and even feels nice and solid in the hand.it does put out a lot of ozone if you need it to.it also has a maintain a low level of Ozone feature which is very useful.Cons:I really only have one complaint, the fan, oh my the awful fan. I've heard some loud fans before but THIS one is something else. Keep in mind, my home is a multi level split with four separate levels splitting the home into two halves. I put this Ozone generator into my top most floor and I can hear the poor fan rattling all the way in the lowest part of the basement. If there's any bearings in the poor thing I think they've long since given up completely. and it isn't just some little axial fan, it's a centrifugal blower fan. Certainly this unit is bad and not ALL of them are this loud right?I've since found that placing the ozone generator on an extension cord or a powerstrip helps the noise issue from permeating throughout the entire home. Probably because it is no longer rattling the wall, but harmlessly rattling the long cord.Even with the gravel grinding fan, I would buy it again if I had to. But I would certainly check out other ones before buying this one again.