Choosing the Best Air Purifiers Under $100- Which Air Purifier Should I Buy?

where to find the best air purifiers for under $100

If you’ve been noticing the telltale signs of allergy season — congestion, watery eyes, and a persistent cough — you might be in need of an air purifier. Air purifiers are designed to clean the air in your home and keep it cleaner by removing harmful allergens and pollutants.

However, not every filtration system is created equal. Choosing the right model can be tricky if you don’t know what to look for or where to start looking.

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Choosing an Air Purifier for under $100 will not be the best one, but still can do the work.

It is very easy to find new products, they are so many on the market. And what we mostly are looking for is a high-quality air purifier which can lead to others to purchase one in future. So we need a good quality without spending a lot of money. This article will provide you some useful tips about finding the best air purifiers for under $100 and will help you decide what is right for your needs.

Find out what experts have to say about choosing the best air purifier for under $100 . Here are some things you should look at when considering an air purifier:

Are air purifiers worth it?

If you get headaches every time you spend too much time in a closed-up room, you should probably consider getting an air purifier. It will eliminate pollen, dust, and other allergens from the air, reducing your risk of allergy attack. According to the Mayo Clinic , “Studies have shown that daily use of an air filter can reduce your chances of having a lower respiratory infection by as much as 87 percent.”

Are cheap air purifiers worth it?

Yes, cheap air purifiers can be a great choice if you’re looking for a good deal. Many of these units look identical to expensive models, but are actually much cheaper to buy. They might not have all the bells and whistles that more expensive models offer, but they’re still effective at purifying air.

What is the best air purifier under $100?

Look at our recommendations before you buy your next air purifier.

There are lots of different types of air purifiers to choose from. To help you find the one that’s right for you, here are three models that we think are the best cheap air purifiers for under $100. If they don’t quite fit the criteria you’re searching, check out our guide to choosing the top rated air purifiers .

Why are air purifier filters so expensive?

The most expensive filters are HEPA filters. These filters are highly efficient at trapping particles, but they’re also very expensive to manufacture. To clean your air purifier filter, use plain water or a vacuum cleaner with a hose attachment. For more stubborn stains, use warm water and soap or vinegar. Never use a harsh cleaning product, like bleach or other chemicals, to clean your air purifier filter because it can damage the filter and make it ineffective at trapping particles.

How expensive is a HEPA filter?

A HEPA air filter (High-Efficiency Particulate Arresting) is an air filter designed to remove at least 99.97% of particles that may be airborne, that are from 0.3 to 10 micrometers in size (an average human hair is 70 micrometers in diameter.)

A HEPA air purifier can cost up to $1000, but there are ways around that.

How long does it take for an air purifier to clean a room?

Depending on the size of your room, an air purifier might take anywhere from a few hours to a day to clean an entire room. If you’re looking for something that will quickly remove unwanted particles from the air in your home, a charcoal-based air purifier might be a better option for you.

Which Features To Look For In An Air Purifier

When looking for a sub-100 dollar Air Purifier, there are a few features that can help you decide which one is best for you.


When looking for an air purifier, one of the most important things to consider is how much space it can cover. If you have a large living area, you’ll want to make sure that air purifier has enough power to handle the area it will be covering. Make sure to look at each air purifier’s coverage area so you know which one is best for your space.

Which type of filter does it have?

An air purifier filter can control how efficient the machine will be at cleaning your room’s air.

HEPA Air Purifiers

can filter up to 0.3 microns of particles, which can provide you with complete particle filtration. This is the absolute best type of filter which is why they are so expensive.

If you have allergies or asthma, having an air purifier that uses HEPA filters will be absolutely necessary for you to feel at ease and get clean air.

There are many types of filters that can be found in HEPA air purifiers, some being more efficient than others, but all are very effective at removing particles from the air. However, there’s a lot to consider when deciding which filter is best for you.

Electrostatic Filter 

This is a very common filter in air purifiers. It’s made up of very thin plastic fibers which attract particles, trapping them in the fibers until the air purifier releases clean, purified air. They work by passing electricity through the filter which attracts particles to it.

This is a very common filter in air purifiers. It’s made up of very thin plastic fibers which attract particles, trapping them in the fibers until the air purifier releases clean, purified air. They work by passing electricity through the filter which attracts particles to it. HEPA Filter – As we mentioned above, this is an absolute must when looking for an air purifier with allergies or asthma.

Activated Carbon Filter 

This filter is very effective at reducing the effects of odors and gases in the air. The filter works by trapping these particles while cleaning the air, leaving a fresher air smell.

This filter is very effective at reducing the effects of odors and gases in the air. The filter works by trapping these particles while cleaning the air, leaving a fresher air smell. Cleaning System – This can be considered an important feature for your HEPA filter as well as some others.

How Air Purifiers Work?

An air purifier works by trapping particles in the air that can cause adverse effects such as asthma or allergies. In order to do this, the air purifier has to be designed to fit the need of your home.

For example, if you have a small apartment, you’re probably going to want an air purifier that can cover your entire house. If you have a bigger house that needs covered area, then you’ll want an air purifier with more coverage.


can cause asthma, but it’s much more common that there is an underlying lung infection. When your body’s immune system cannot keep up with the effect that an allergen has on your body, you will start to experience symptoms such as breathing difficulty or sniffles. Small particles from a common allergen such as dust can trigger symptoms in people without you knowing it and can have long term effects on your lungs.

High air pollution exposure also leads to respiratory problems and increases the risk for illnesses such as bronchitis and lung cancer. Air purifiers are simply distillations of high-quality air that remove airborne contaminants from the air leaving cleaner air behind.


is one of the most common allergens that can be found in the air. The pollen that can be found in the air is very common, even allergen-friendly flowers and trees have pollen. In order to remove these particles from your room, it’s very important that you have an air purifier specifically designed for pollen allergies.

Some products on the market today work by attracting and removing particles as they move through the device. Air Purifier use a fan to produce airflow to draw in unwanted particles before trapping them on moving filters.

Dust Mites

are very common allergens that can cause issues for people who have allergies to it. It’s very important to remove these particles from your room because they are the main cause of allergic symptoms.

Bacteria and viruses

can also be found in the air. These are commonly spread through people coughing or sneezing. While most of the time they are harmless, it can also cause infections such as pneumonia and bronchitis.

Using an air purifier with a HEPA filter will help reduce the spread of these particles throughout your home and prevent you from getting sick.


is also an air pollutant that can be found in your home. Air Purifiers help remove particles such as these because they contain spores. Mold spores can cause serious health hazard to your body, so it’s very important that you remove them from your room.

These air pollutants can cause serious health issues such as asthma or other respiratory problems and even cause a serious illness if you are not careful. Having an air purifier with a HEPA filter is one of the best things you can do for your health to keep your family safe.

Smoke and VOC’s

are common pollutants that can be found in your home. These pollutants are commonly added to paint, cleaning supplies, and chemicals, making them very dangerous for your health. Also, the particles present in smoke are very small and can travel through the air to not only affect you but a lot of other people as well.

Using an air purifier with a HEPA filter will help remove these particles from the air preventing you from breathing them in.

Better Health Overall

Allergies are something that can really hurt you and have a lot of effects on your body. It’s important that you have an air purifier with a HEPA filter because it can help reduce the effects of allergens in the air around you.

HEPA filters are very efficient at trapping airborne particles, making it easier to locate these particles so that they can be removed.

We all know the importance of clean air, but we had no idea how harmful all the toxins and pollutants could be doing to our health. Using an air purifier with a HEPA filter is extremely beneficial for your health and will help reduce risk for illnesses such as asthma or lung cancer.


With lots of different choices, deciding which air purifier is best for your personal needs can be a very hard task. We hope that through this review of some of the best air purifiers available on the market today, we have been able to help you make your decision about which one is right for you.

You should always take into consideration the size and location of your room when looking at air purifiers to purchase. You most likely won’t need an air cleaner with a large range around your house as there are many other methods by which you can clean your home.

  • WE WON'T RELEASE ANY PRODUCT WITHOUT THE LOGO:  Each of our products undergoes professional tests & recognition, after which a formal LOGO is printed. With this confidence and our strong team, we take the LOGO of levoit as our promise
  • HIGH PERFORMANCE: Enjoy fresh air in 12 minutes with the Core 300 True HEPA Air Purifier. Featuring VortexAir Technology, 360° air intake, and CADR of 141 CFM / 240 m³/h (Clean Air Delivery Rate), Core 300 can purify air of a 1,095 ft² space once in one hour. The higher the CADR of an air purifier, the larger its purification area
  • FIND RELIEF: Ease sneezing, congestion, and other allergy symptoms caused by airborne contaminants. The H13 True HEPA Filter works alongside the Pre-Filter and High-Efficiency Activated Carbon Filter to capture 99.97% of airborne particles 0.3 microns in size, such as dust, smoke, pollen, odor
  • OFFICIAL LEVOIT FILTERS: Search for B07RSZSYNC or Core 300-RF to find Levoit's Core 300 replacement filter. Levoit filters provide the best fit and filtration, while off-brand filters are unreliable and may damage the air purifier
  • MULTIPLE FILTER CHOICES: Choose from a variety of replacement filters to best meet your needs. The Toxin Absorber Filter specializes in smog, toxins, and VOCs. The Smoke Remover filter specializes in wildfire, smoke and etc. And the Pet Allergy Filter helps to capture pet dander and absorb unpleasant odors
  • WHISPER QUIET AIR CLEANER: Choose Sleep Mode at night and then forget all about your air purifier while you sleep. QuietKEAP Technology reduces noise levels to a near-silent 24dB, ensuring the Core 300 won’t get in the way of a good night’s rest
  • SLEEK DESIGN: The Core 300 practically serves your home while blending in with your decor. Its award-winning design (Red Dot, 2020) and modern white finish help your air purifier fit anywhere in your home/bedroom/room
  • UNDISTURBED OPERATION: The display light can be turned off to enjoy a perfect night of sleep without the effect of light. A timer for 2/4/6/8 hours and filter lifetime indicator for your convenience
  • FULL CERTIFIED FOR SAFER: Energy Star Verified, Complies with California air resources board (CARB) for indoor cleaning devices. Also FCC certified, ETL listed
  • OZONE FREE: Our most popular air purifier series is back with an all-new smart model. Levoit air purifiers avoid using UV-C light, which is especially harmful for Asthma sufferers and pets
  • GENUINE REPLACEMENT FILTERS: For the best performance and longest lifespan, use genuine Levoit replacement filters. Use the in-app feature to monitor your filter life. When it’s time for a fresh filter, search “Core 200S-RF”
  • EFFECTIVE PURIFICATION: The compact frame and 360° design help the Core 200S purify the air wherever you put it, refreshing the air 5x per hour in rooms as large as 183 ft² / 17 m². The optimal air cleaning performance can only be delivered by powerful motors installed on products over 6 pounds, Operating Conditions Temperature: 14°–104°F / -10°–40°C
  • IMPROVED FILTRATION: While the ultra-fine Nylon Pre-Filter and High-Efficiency Activated Carbon Filter capture large particles and absorb odors and fumes, the H13 True HEPA Filter captures 99.97% of airborne contaminants 0.3 microns in size, ridding your environment of dust, pollen, pet dander, mold spores, and more
  • QUIET OPERATION: With noise levels as low as 24dB, the Core 200S cleans your air without keeping you up at night. For a completely uninterrupted sleep, turn off all lights with the Display Off button
  • ACCESS ANYWHERE: With the VeSync app, you can control your smart air purifier from anywhere. Adjust settings while you’re in the other room, at the office, or out walking the dog
  • VOICE CONTROL: The Core 200S is compatible with Amazon Alexa and Google Assistant, so you can use your air purifier without having to lift a finger
  • NO MORE ALLERGIES: If you or anyone in your family has allergies to air pollution, smokes, or if mold is present in your home, choosing Core 200S is a smart choice to solving these air pollution problems
  • EASY SETUP: To get started, simply turn on the Core 200S and open the VeSync app. There you’ll find easy instructions to connect your air purifier. Once setup is complete, you’ll be able to control the air purifier with your smartphone or the display panel
  • FULLY CERTIFIED: The Core 200S has been thoroughly tested for safe performance. It is ETL Listed, FCC Certified, CARB Certified, and compliant with California’s strict standards for indoor cleaning devices. Note: Power Supply: AC 120V/60Hz (Only applies to the USA and Canada.) CADR: 118 CFM / 200.6 m³/h

Other Questions

Should air purifiers run all the time?

Yes and no. I think it depends on the situation. If you live in a small, closed-up apartment, you will want to have your air purifier running 24/7 to ensure that you always have clean air circulating through your system. Unless you are specifically looking for the white noise of the fan to help you sleep at night, keep your purifier running during the day as well.

How long does an air purifier filter last?

It depends on the manufacturer and the model. On average, you can expect about three to six months before you need to change your air purifier filter. Some filters are washable and reusable. The best air purifiers will include a handy reminder in your user's manual that tells you when it is time to replace your filter.

Some of the more expensive models might include an LCD screen that displays helpful information, such as the current level of particulates in the air and how long you have been running the unit without replacing the filter.

How much does it cost to install a whole house air purifier?

The average price for a whole house air purification system is about $1,000 to $2,000, depending on the brand and model. The more you spend on an air purifier, the higher the quality of the filters it uses and the more healthful it will be in your home.

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Nick Le Page

 An air purifier is a device designed to remove dust, pollen, smoke, soot, mold spores, smog, and other airborne pollutants from the air.

If you want to keep your home clean and free of contaminants—and save money on heating and air conditioning bills—quality air purifiers are a powerful first step.

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