Best Reviewed Air Purifiers under $100 of 2023


Decoder analyzed more than 28,260 reviews to find which air purifiers under $100 are loved by shoppers, and which ones standout based on the following important qualities:

  • Coverage Area
  • Filter Life
  • Filtering Power
  • Ease Of Cleaning
  • Noise Level

Read more about what factors to consider when shopping for air purifiers in our buyer's guide.

Results (12)

Best Overall


Bottom Line

This is an excellent air purifier for those who are looking for a powerful, yet quiet and compact option. It efficiently eliminates allergens, bad smells, and other particles in the air, making it perfect for people with allergies or sensitivities.

Rank based on 5,000 reviews

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Also Great


Bottom Line

This air purifier is quiet and efficient, with a great coverage area. However, some reviewers have had issues with the filter not lasting as long as advertised.

Rank based on 1,252 reviews

Budget Pick


Bottom Line

This is a great air purifier for those looking for something quiet and efficient. It does an excellent job of reducing smells and freshening up the air, and is easy to clean.

Rank based on 2,395 reviews

Premium Choice


Bottom Line

This air purifier is easy to use and effective at eliminating dust, dirt, dander, and pet hair. However, on the highest setting it is very loud.

Rank based on 6,522 reviews


Bottom Line

This air purifier is great for people with allergies as it traps dust and other allergens in the air. It is also easy to clean and use. However, noise can be an issue on the highest setting.

Rank based on 987 reviews


Bottom Line

This air purifier is perfect for small to mid-sized rooms and helps with allergies, dust, smoke, and even odor removal.

Rank based on 986 reviews


Bottom Line

If you're looking for an air purifier that won't disrupt your sleep or work and can cover a large area, this is a great option.

Rank based on 1,397 reviews


Bottom Line

This air purifier is great at removing allergens from the air and lasts a long time. It's easy to replace the filters and clean, but can be quite loud on the highest setting.

Rank based on 5,000 reviews


Bottom Line

This air purifier is quiet on low and soothing on high, making it great for bedrooms. It's also effective at removing smells and filtering the air, with a filter life that only needs to be replaced every 3 to 6 months.

Rank based on 960 reviews


Bottom Line

This air purifier is very effective in filtering the air and removing allergens, smoke, and odors. It is nearly silent on normal mode, making it a great choice for those who need a white noise machine.

Rank based on 984 reviews


Bottom Line

The Air Genie 2.0 is a great air purifier for smaller spaces like bedrooms and offices. It's very quiet on low settings, has excellent filtering power, and is easy to use and clean. However, replacement filters can be costly over time.

Rank based on 2,608 reviews


Bottom Line

This air purifier is perfect for small to medium-sized rooms. It has a quiet noise level and excellent filtering power that helps with common household allergies.

Rank based on 169 reviews

Buyer's Guide

Written By


Oct. 4, 20222 3:02 p.m. PT

Decoder is a product recommendation engine that eliminates the guesswork of online shopping and finds the perfect product for your needs.

Planning to buy an air purifier?

Air purifiers are a great way to improve the air quality in your home or office. They reduce airborne pollutants such as dust, pollen, and pet dander that can trigger allergies or asthma. If you’re considering purchasing an air purifier, there are several factors to consider before making your decision. This guide will provide an overview of what to think about when buying an air purifier.

The first step is to assess the air quality in your home or office. If you’re dealing with strong odors or smoke, then you’ll need a powerful air purifier that can tackle these issues. You should also consider whether you’ll be using the device in a single room or multiple rooms. A larger space requires a more powerful unit with higher CADR ratings (Clean Air Delivery Rate).

The size of the unit is important, especially if you have limited space in your home or office. Some models are small and compact while others take up more room but offer better performance. Additionally, noise level is also something to consider since some units can be quite loud when on full power.

Different types of filters are available for different types of pollutants and each type has its own advantages and disadvantages. HEPA filters capture particles as small as 0.3 microns, activated carbon filters remove odors from smoke and chemicals, and ionizers emit ions that latch onto particles which are then removed from the air by attaching them to nearby walls or furniture surfaces where they eventually settle down into dustbins for disposal. Additionally, some units come with additional features like ultraviolet light that helps kill bacteria and viruses present in the air; however, this might not be necessary if you’re only looking to remove pollen and dust particles from your environment.

Price points vary greatly depending on what type of filter system you select and how large the coverage area is for the unit itself (smaller units tend to be less expensive). You should also consider what brands offer service plans in case anything goes wrong with your device over time; this could save you money in repair costs down the line if something does happen to it.

Finally, while selecting an air purifier make sure that it is easy to maintain; this includes checking on filters regularly (usually once every 2-3 months) as well as replacing them when needed (check manufacturer's guidelines). Additionally, look for energy efficient models that will save you money on electricity bills over time without sacrificing on filtration performance levels - many companies now produce environmentally friendly models designed with energy efficiency ratings so consumers can make informed decisions about their purchase choices.

Buying an air purifier doesn't have to be complicated; by researching products thoroughly before making a purchase decision based on size requirements, filter types/capabilities needed for your needs/environmental demands –and taking into account cost/maintenance requirements–you'll make sure that whatever choice you make is well-informed one that best fits your budget/needs while providing excellent results over time!

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