Visible and even smelly mold growth is one of the most common and most resilient home infections. You know that corner in your kitchen or bathroom that looks kind of darkish? You better hope it’s not the black mold.
Pretty much every air purifier you can find will have an ‘air purifier for mold’ sentence in their description. But people who have air purifiers at home can still experience mold growth on their walls. So what gives?
Not all air purifiers are designed to remove mold. All of them are great at removing dust and smoke from an indoor environment, that’s true. But those are just particles.
Mold, on the other hand, is a fungus. It’s a living, breathing being that you can’t just filter out with a HEPA filter (because the mold spores will just start living in that filthy HEPA filter). In short, you need to kill it. When you see the mold forming on your wall, hoping it will just magically go away on its own doesn’t work.
It might sound barbaric but the only way to remove mold and mold spores is to literally fry them.
What is the best air purifiers fold mold? The one with a strong UV light. According to the EPA, UV light is pretty much the only thing that can decisively remove airborne mold spores by killing them. Basically, intensive 254-nanometer wavelength UV light filter fries the mold spores, preventing the mold to spread via air.
The best air purifiers for mold are the ones with UV sterilization filters. Below you will find a list of the 5 best UV air purifiers for mold:
Let’s first look at what kind of mold the UV light will destroy and how you can get rid of the mold problem in the long run entirely (with CDC recommendations).
How Do Air Purifiers Help With Mold?
Mold spores can easily enter our home through an open window. Mold loves moisture; that’s why mold spores will grow in indoor areas with high humidity. When the mold spores proliferate enough, they will float through the air as easily as dust in search of a new target.
According to the CDC, ‘the most common indoor molds are Cladosporium, Penicillium, and Aspergillus‘.
Those airborne mold spores are exactly what we want not only filter out but destroy entirely. That’s how we can prevent the spread of the mold through the air. And for that we need that mold-destroying UV light filters.
How does UV light air purifier help with the mold?
- Air purifier gathers all the air that contains Cladosporium, Penicillium, and Aspergillus mold spores. The size of these mold spores is between 3 and 100 microns, HEPA filters gather these very effectively. Every air purifier does it, including UV light air purifiers.
- Use UV light with the destructive 254-nanometer wavelength to kill the mold spores. This effectively removes mold from the air. ONLY UV light air purifiers do that.
The key part, obviously, is the UV lamp. Air purifiers without a UV lamp will do a poor job removing mold. The ones with the strong UV lamp, on the other hand, can literally fry the mold spores out of the blue.
Here is just one additional advice if you truly want to fight mold growth in your home: Get yourself a dehumidifier with an air purifier.
Dehumidifier And Air Purifier Combo (Fight Mold On 2 Fronts)
One thing that mold loves is moisture. Damp and humid indoor is a recipe for mold growth. That’s why, for example, we most commonly find mold in the bathroom. The bathroom with all the water is usually the most humid room in our home.
The way to fight the high above 70% relative humidity is with a dehumidifier. The dehumidifier is a HVAC device that filters water out of the indoor air. It’s the only truly useful device to get relative humidity down to 30% to 50%.
That’s the low level of humidity that prevents mold growth exponentially.
If you have a mold problem, the best solution with be to buy the best air purifier and dehumidifier all in one. That’s how you can find mold on 2 fronts:
- Air purifier filters out and destroys mold spores with UV sterilization filter.
- Dehumidifier lowers the humidity levels and makes it much more difficult for mold to grow (or even take hold on a wall).
The only problem with the dehumidifier and air purifier combo is that there is currently no such device on the market. An air purifier with dehumidifer all-in-one would be a perfect solution, but up till now this kind of device has yet to be developed.
The second-best solution, of course, is to get a UV air purifier and a stand-alone dehumidifier. Yes, you have to get two devices but when it’s between that and mold eating through your walls, it’s quite easy to understand that mold won’t just magically go away on its own.
You can read more about how dehumidifiers work and which are the best ones here.
List Of 5 Best Mold Removal Air Purifiers In 2020
#1 Germ Guardian AC9200W (Overall Best With Strongest UV Bulb)
All the Germ Guardian air purifiers are made to, guess what, guard you against germs. Germs might include bacteria or viruses but also applied to the mold.
The AC9200W unit is the best air purifier fold mold simply because it has the strongest UV light bulb. It has several great features such as being the most effective and with the highest CADR ratings but as far as mold spores are concerned the wattage of UV-C light bulb matters.
The UV light bulb is an integral part of the UV sterilization filter. Every UV bulb radiates mold-destroying 254-nanometer wavelength. Only one thing matters here: the stronger the UV bulb, the more powerful mold killing effect you will see.
And the Germ Guardian’s AC9200W bulb alone is powered by incredible 78W. That will literally fry even the biggest 100 micron mold spores. Here is how the 4 filters are placed in the Germ Guardian air purifier for mold:
UV-C light technology works with Titanium Dioxide to reduce airborne bacteria, viruses, germs and mold spores. *Based on test standard GB21551.3-2010 antibacterial and cleaning function for household.
What happens when you get rid of all the mold? You can simply turn the UV bulb off. The AC9200W model offers the optional UV sterilization filter precisely because you can turn it off when all the mold was removed.
On top of that, the Germ Guardian has the highest CADR ratings (216 CFM for 0.9-1 micron smoke particles, 0.5-3 micron for dust and 5-11 micron for pollen). This simply means that the air purifier can purify the air and remove smoke, dust, and pollen-sized particles extremely fast. In fact, AC9200W can filter all the air in 335 sq ft about 4 times per hour (ACH = 4).
All in all, the extremely powerful UV light bulb makes the Germ Guardian the best air purifier for mold. What is more, with such superb specs and Energy Star certificate the AC9200W model is one of the best air purifiers in general.
#2 TruSens Z-1000, Z-2000, And Z-3000 (Lightweight And Beautiful)
There is no doubt that every TruSens air purifier (the small Z-1000, the medium Z-2000 and large Z-3000) is a head-turner. The sleek design and the smart SensorPod are the key features that make the TruSens air purifier unique:
However, what we’re really interested in here is how well does it remove mold. Does air purifier help with mold depends, as we’ve learned so far, on the UV sterilization filter.
All TruSens air purifiers come with a UV light bulb. Because of the cylinder-like design of the TruSense units, the mold-killing UV-C filter is located at the innermost part of the purifier:
Obviously, the TruSens does remove smoke, dust and pollen as well. However, as far as the germs, and, more specifically, mold spores are concerned, the UV light is key.
It is important to point out that the TruSens Z-2000 is the best lightweight air purifier for mold. It weighs only 9.0 lbs and has the maximum power of 28W. Because of low power, you will spend less on the electricity bill but the TruSens won’t be able to filter out the air as fast as other air purifiers. It is capable of 2 air changes per hour (ACH = 2).
The focus of the TruSens purifiers is, of course, in its remote sensor capabilities. The SensorPod will adjust the fan speed to clean the air in your room in the most optimum manner. The fact that the UV light can destroy mold spores is just another bonus.
#3 Molekule MH1-BBB-1 With PECO NanoTech (NextGen Tech And Design)
Molekule MH1-BBB-1 represents the new generation of air purifiers. It excels at the filtering technology, design as well as the price. It looks like something NASA engineers would put together.
Well, the Molekule price is the only thing that demotes the MH1-BBB-1 to the 3rd place of this list of the best air purifiers for mold. But let’s look at the technology first.
You know how all air purifiers use 4 or even 5 filters to deal with mold and other air impurities? Well, Molekule only has 1.
That 1 filter, however, is crazy effective. The tech is called PECO or Photo Electrochemical Oxidation process. It is designed to destroy air pollutants of a molecular level.
PECO has been in development for more than 20 years and the Molekule is one of the few HVAC devices that already have it built-in. The PECO process uses reactive free radicals to break down any kind of pollutants – mold, obviously, but also bacteria, viruses, and other allergens.
In essence, PECO is able to destroy mold spores and other pollutants that are 1000 smaller than what HEPA filters can (Tested by Intertek – Report # 104159832GRR-001a, December 2019). Here is how the whole process looks like – take a special look at the STEP 3:
The free radicals created in the PECO filter tear mold apart like nothing else. Molekule absorbs the air filled with mold spores on the bottom, destroys the mold in between, and pushes out the purified air on the top.
With the 85W, the Molekule is also the most powerful air purifier on the list. If you’re looking to remove mold with an air purifier that is a very good thing. The UV bulb usually gets a big share of that power.
The noise levels (33-50 dB) also make the Molekule one of the quietest air purifiers currently on the market.
The ease of use is incredible. You get an iOS and Android app and can control the Molekule directly via smartphone.
Some people are baffled by the price. The MH1-BBB-1 does cost $799. That is much more than any other air purifier for mold. Nonetheless, the combination of powerful UV bulb, nextgen technology and sheer power makes the Molekule one of the best, if not the best, air purifier if you can afford it.
#4 Pure Enrichment PureZone Elite 4-in-1 (Cheapest Choice For Mold)
The No. 3 choice – the Molekule – costs $799. However, putting an UV light bulb in an air purifier with HEPA filter shouldn’t be all that expensive. The PureZone Elite 817387020077 model really shows how low can you go with price on an air purifier for mold. It costs only $150.
Pure Enrichment has developed the 817387020077 as the budget-friendly variety purifier that has a lot to offer. Specs-wise the PureZone Elite 4-in-1 is a bit above average. However, they really went with the safe route to increase the durability of this mold-fighting air purifier.
The UV bulb, for example, will work for about 10,000 hours. That means it can be turned on for almost 1.5 years before you need to replace it. That is something you wouldn’t expect from a $150 air purifier.
Here’s how the cheapest air purifier against mold look like:
Obviously, cheap devices aren’t without problems. The PureZone unit has two: noise levels and materials.
The noise levels can reach 60 dB which is not ideal. It is fairly strong with 60W and above 120 CFM; that means it handles a big volume of air. Where there is an airflow, there is a noise and the above 60 dB noise levels are a clear indicator of just that.
The materials used are a bit subpar. The complete weight of the Pure Enrichment unit is 9.5 lbs. That just tells you a lot of materials are made out of durable plastics. There is nothing wrong with hard plastic, it’s just that aluminum would be a better choice.
For $150, the PureZone Elite a fine air purifier that is quite capable of removing mold from your air. It doesn’t have that extra spark the $300+ units have but it will kill mold with its UV light just as effectively.
#5 InvisiClean Aura II 4-in-1 (Most Energy-Efficient)
Air purifiers don’t really put energy-efficiency first. Other HVAC devices such as air conditioner and heat pumps go into great efforts to raise those EER and SEER energy-efficiency ratings. The InvisiClean Aura II 4-in-1 is one air purifier where the energy savings are very evident.
Clearing away mold with an UV light is why people who suffer for mold infestation buy the InvisiClean air purifier. It’s quite an inexpensive and effective device. However, the real savings are seen much later.
Aura II 4-in-1 uses a low EMF radiation DC motor that is capable of delivering a strong airflow. In fact, with the CADR rating of 170 CFM, the airflow is almost 100% stronger than with comparable devices.
What is most significant, however, is how much energy it uses. The DC motor is powered by only 47W. That means that the InvisiClean can use about 82% less energy than the most power-hungry air purifiers for mold removal.
With such a low-powered motor, the InvisiClean Aura II is also one of the most silent air purifier for mold. It operates between 30 and 55 dB.
The only real drawback is that it’s not as visually appealing as some other models and doesn’t have that powerful motor that can quicken the mold spores removal. In time, however, it will do the job as well as the most powerful purifier.
Fighting mold can be challenging but with the right air purifier and, of course, a dehumidifier it can be done.
Moldy carpets and wood have to be removed by hand but HVAC devices can prevent the spread of mold via air.
Here is a request: if someone finds an air purifier and dehumidifier all-in-one, please share it in the comments. That would be a perfect mold-fighting device indeed.