5 Best HEPA Air Purifier Under $100

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With all the modern technology around us, there is one thing we often forget. In our modern and comfortable world, we are increasingly exposed to pollutants. Once you let some fresh air into your home, it still needs to be filtered from all the little harmful airborne particles.

An air purifier is a great solution to this problem. There are plenty of them that can effectively catch all these, often microscopic particles that can even cause respiratory problems.

Best Cheap HEPA Air Purifiers

Technology has reached the point where you don’t necessarily need to spend a lot of money if you want to make the air clean around you. Many high-quality purifiers can be bought for less than $100. However, you need to be a bit picky when looking for such devices.

Below, we are going to introduce you to the best cheap air purifiers in the market. We are also going to talk about the benefits and disadvantages of each product so that you can pick easily.

1. LEVOIT Air Purifier

This model introduced to the market by Levoit has some pretty impressive specs, especially when it comes to ACH (Air Changes per Hour). If we consider how small this device actually is and how much it costs, you really can’t ask for more in terms of performance.

So, what the numbers say is that this Levoit air purifier is going to completely filter the air 5 times in a single hour in a 215 square feet room. This brand continuously keeps introducing high-quality air purifiers to the market and they didn’t disappoint us with this one either.

Although it is designed for rooms of the above mentioned size, it will be even more effective in smaller areas. For those who have asthma, allergies or similar respiratory problems, this air purifier is going to make life much easier.

So, we can by all means conclude that this is a rather strong air purifier compared to its size and price category. This usually indicates that it’s loud but thanks to its unique design, this model is barely going to make any sound. If you want to use it during the night, you can set it to sleep mode and it won’t wake you up.

With the 3-level filtering technology with the carbon, True HEPA and pre-filter, you can hardly find a better air purifier in its category.


  • Huge air flow and air filtering effectiveness compared to its size
  • Medical grade and True HEPA 3-level filtering technology at its finest
  • Sleep mode, 3 fan speeds and on/off timer all included in the settings
  • Awesome minimalistic design, portable and requires very little space
  • No ozone, produces only clean and contaminant-free air


  • A negative ion generator is still kind of missing from the whole picture
  • You need to run it on high settings until it stops emitting the plastic smell


2. Pure Enrichment PureZone 3 in 1 Air Purifier

What signifies this air purifier by Pure Enrichment is its outstanding minimalistic design. Of course, it comes with great functionality and reliability as well. It’s easy to use and you can barely tell whether it’s on or off. That is how quiet this device is.

Whether you want to use it for the baby room, children’s room or your own bedroom, it is not going to bother anyone. Little babies can sleep next to the PureZone air purifier without even noticing it. The benefits of its filtration system speak for themselves.

You can say good bye to all the germs, viruses and microorganisms in your room. They did a great job limiting the noise it produces by adding a noise lever. This guarantees that the noise output is going to be less than 30dB all the time.

It is easy as pie to set up the PureZone air purifier after you have unpacked it. It comes with an easy to understand user’s manual that makes your job even easier. With its fancy minimalistic design, this little air purifier might not look like much.

This is why you are going to be surprised when suddenly 99.97% of smoke, mold spores, pet dander and other odors are going to disappear. A performance that should not be underestimated. On top of that, it comes with an UV-C light that will kill all the viruses and bacteria in the room.


  • The replacement filters are quite affordable
  • 4-stage filtration technology thanks to the additional UV-C filter
  • Extra settings such as sleep mode and on/off timer
  • An indicator signals when the filter needs to be replaced
  • User-friendly and very easy to assemble


  • Affordable model but comes with a slightly worse CADR
  • The filters are not only cheap but also won’t last longer than 6 months


3. AZEUS High CADR Air Purifier

The Azeus air purifier is designed to improve the quality of air you breathe with a whopping 120 square feet per hour CADR rating. There will be no more air pollution and no more smoke odors. The technology they used for this model meets the highest standards.

This air purifier comes with a 3-stage filtration system, one of them being a True HEPA filter. This means that you can expect a 99.97% efficiency when it comes to removing dust mites, pollen and pet dander. Whether those particles are as small as 0.3 microns or bigger, they will be completely gone.

You can even sleep with Azeus next to you by setting it to sleep mode. This turns off the lights, thus ensuring an undisturbed shut eye. It is surely not going to make any noise with the mere 25 dB sound it generates. Its fan has 3 different speeds to choose from depending on whether you want rapid air flow or to just enjoy the silence.

It is a perfect choice for offices and family homes as well. Once you get it out of the box, you will quickly find out how it functions and which are the most optimal settings for your needs. The one button operation guarantees that you literally don’t even need to think about how to calibrate this air purifier.

By buying Azeus, you will gain access to the 24/7 online customer service provided by their dedicated team.


  • Can be controlled using a single button
  • Powerful filtration system compared to its size
  • Being almost noiseless, it is perfect for the baby room
  • Awesome futuristic design justified by high performance


  • When set to level 2 and 3 it becomes significantly more noisy
  • With the 1-button control they didn’t introduce a timer or auto mode


4. Hamilton Beach TrueAir Air Purifier

The TrueAir air purifier by Hamilton Beach is going to be a great choice as long as you have a room of equal or less than 160 cubic meters of size. Thanks to its permanent and HEPA-approved filter, there is no need to worry about replacement filter costs in the future.

Its design guarantees that this model will look awesome no matter where you put it. TrueAir has a modern look that perfectly matches its high effectiveness. The fact that you don’t need to buy replacement filters also means that this air purifier will save you a lot of money in the long run.

All you need to do is to pull out the filter and run the vacuum cleaner through it a few times. As long as you do this on a regular basis, this little machine is going to have no issues in providing you with fresh and clean air.

It is true that there is a difference when you compare them to True HEPA certified air purifiers. This one filters out particles down to 3 microns of size compared to the 0.3 microns True HEPA standard. If you are looking to catch those bigger particles then you are going to be more than satisfied with this product.

In fact, those who look for a solution for their allergy problems are going to find TrueAir very useful.


  • Designed for horizontal and vertical use as well
  • Consistent air quality even after cleaning the filter multiple times
  • Easy to use, easy maintenance and portability
  • Saves you money on the long term thanks to the permanent filter


  • Preferable for smaller rooms due to small airflow coverage
  • Can’t deal with odor or microscopic particles
  • They didn’t add any extra features


5. PARTU HEPA Air Purifier

If you are looking for an air purifier that comes equipped with all the most effective filtration technologies, then check out this one by Partu. With its HEPA, carbon and pre-filter working together to clean the air, it is going to remove 99.9% of the contaminants.

Those who want to maximize its effectiveness can always use the device on the highest settings. It has no problem at all with keeping up the air flow all day. As a result, the air in your home is going to be cleaner and fresher than ever.

With its simple, yet modern design, this air purifier is a great choice for those who want to use it at the office. Of course, it looks awesome in any modern home as well. You can just put it on your table, on the shelf on anywhere near you. Thanks to its size and portability, you can pick it up with ease and put it elsewhere whenever you want to.

This HEPA air purifier by Partu has a 38 to 59 decibel noise range which is really on the lower side when compared to other models. Ozone is not a thing to worry about since the air that comes out of it is going to be a 100% ozone free. For rooms that are 107 square feet of size or smaller, this is one of the best air purifiers right now in the market.


  • Portable and ideal for any small or medium sized room
  • Its stylish design makes it a great addition to any home
  • Not going to generate any ozone
  • Easy to use and has all the functions you need


  • Not recommended to use at the highest settings in quite office environments
  • The 6-month filters it requires are not the most affordable
  • It doesn’t have any automatic feature


Why Use a HEPA Air Purifier?

People who buy HEPA air purifiers usually do so because they have various respiratory problems. These include asthma and various allergies as well. This technology does a great job when it comes to removing allergens and chemicals from the air.

We are talking about particles that can’t be removed just by opening the windows or cleaning up your room. The most effective way to deal with them is to buy a HEPA air purifier and use it every day.

Are Cheap HEPA Air Purifiers Good?

Fortunately, you don’t necessarily need to buy the most expensive HEPA air purifier if you want it to be effective. There are plenty of cheaper models in the market that can do an outstanding job catching harmful particles in small or medium sized rooms.

Obviously, you can find a lot of models that cost up to $100 and are just too weak or ineffective in general. In this article, we have reviewed the best of them so that you don’t need to browse through countless pages checking the specs and reviews.

Can You Wash HEPA Filters?

HEPA filters certainly can be cleaned and reused a couple of times. You just need to pull them out and use your vacuum cleaner to get most of the contaminants out of it. This doesn’t mean that it’s going to be as clean as a new one.

It is always a better idea to just buy a new one after every 6 months. If your air purifier has a permanent HEPA filter, then you should clean it as frequently and thoroughly as possible.


As you can see, there are plenty of great options when it comes to cheap HEPA air purifiers. Feel free to compare all the pros and cons of each model and choose the one that mostly fits to your needs. The models we mentioned absolutely dominate the under $100 category.

Some of them are very powerful compared to their size and affordability. We have even included models that come with useful extra features. Choose wisely and you won’t be disappointed.

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