A Comprehensive Guide to Buying Air Purifiers with HEPA Filters

Your Guide to buying the best Air purifiers with HEPA filters


Air purifiers with HEPA filters are an excellent choice for those looking for an effective way to reduce allergens, dust, smoke, and other particles in the air. This buying guide is designed to help you find the best HEPA filter air purifier for your needs. We will explain what HEPA filter air purifiers are, what to look for when purchasing, and provide some tips on how to properly maintain your filter. Our guide also highlights the best HEPA filter air purifiers currently on the market, so you can make an informed decision when it comes to purifying your home’s air.

Key features

  1. Size/Room Coverage: Consider the size of the room the air purifier will be used in, and make sure the purifier is large enough to cover it.
  2. Noise Level: Look for air purifiers that use quieter fans and that make minimal noise.
  3. HEPA Filter: Look for an air purifier that uses a HEPA filter to clean the air, as they are the most effective and thorough type of filter.
  4. Air Quality Indicator: Some air purifiers come with an air quality indicator, which can help monitor the current air quality of the room.
  5. Filter Change Indicator: Some air purifiers come with a filter change indicator, which can alert you when the filter needs to be changed.
  6. Additional Features: Look for additional features such as timers, auto shut-off, energy efficiency, and remote control, that may be helpful.
  7. Price/Brand: Consider the price and the brand before purchasing an air purifier - choose one that is within your budget and from a reputable brand.

See the most popular Air purifiers with HEPA filters on Amazon

Important considerations


  • Particle Filtration: HEPA air purifiers are designed to filter out a variety of particles, including dust, pollen, and certain allergens, from the air.
  • Odor Reduction: HEPA air purifiers can help reduce odors in the air from pets, cooking, and smoking.
  • Air Quality Improvement: Using a HEPA air purifier can help improve the air quality in your home by removing pollutants and allergens from the air.
  • Quiet Operation: HEPA air purifiers are designed to run quietly, with some models using low-noise fans to minimize noise.
  • Energy Efficiency: HEPA air purifiers are designed to use less energy than traditional air purifiers, which can help you save money on your energy bill.
  • Easy to Clean: HEPA air purifiers are easy to maintain and clean, with many models featuring filters that can be quickly and easily replaced.


  • Cost - Air purifiers with HEPA filters can be expensive for many people, with some models costing over $1,000.
  • Installation and Maintenance - Installing and maintaining an air purifier can be a hassle, and might require professional help.
  • Noise - Some air purifiers generate a significant amount of noise, which can be disruptive in households or offices.
  • Odor Removal - Air purifiers with HEPA filters do not always effectively remove odors from the air.
  • Particle Size - HEPA filters are not effective at trapping particles smaller than 0.3 microns, which can still be a health risk.
  • Pollutants - Air purifiers with HEPA filters may not be able to remove all types of pollutants from the air.

Best alternatives

  1. Ionizers – Air purifiers that use ionization to remove pollutants from the air.
  2. Activated Carbon Filters – Filters made of activated carbon, which can absorb pollutants from the air.
  3. UV Light Air Purifiers – Air purifiers that use UV light to kill airborne bacteria and viruses.
  4. Ultraviolet Germicidal Irradiation (UVGI) Purifiers - Air purifiers that use UV light to eliminate harmful microorganisms.
  5. Ozone Generators – Devices that produce ozone, which can help remove odors from the air.
  6. HEPA Filters – High Efficiency Particulate Air (HEPA) filters, which can remove up to 99.97% of airborne particles.

Related tools, supplies, and accessories

  • HEPA Filters - High-Efficiency Particulate Air filters that are designed to remove 99.97% of airborne particles larger than 0.3 microns in size.
  • Activated Carbon Filter - An odor-absorbing filter that traps airborne particles and absorbs pollutants.
  • Ionizer - An air purifier that produces ions to clean the air.
  • UV Light - A light that emits ultraviolet radiation to sanitize the air.
  • Pre-Filter - A filter that removes larger particles from the air before they reach the main filter.
  • Air Quality Sensor - A device that measures air quality levels and triggers the air purifier to turn on when needed.
  • Remote Control - A device that allows you to control the air purifier from a distance.
  • Timer - A device that allows you to set a timer for when the air purifier will turn on and off.
  • Air Quality Monitor - A device that tracks air quality levels and displays them on a display.

Common questions

  1. What is a HEPA filter? A High Efficiency Particulate Air (HEPA) filter is a type of air filter that is designed to remove 99.97% of airborne particles that are 0.3 micrometers or larger.
  2. What is the best type of air purifier for my home? The best type of air purifier for your home will depend on a number of factors such as the size of the space, the type of air pollution in your area, and your budget. An air purifier with a HEPA filter is generally considered to be the most effective option for removing airborne pollutants.
  3. Are air purifiers with HEPA filters noisy? Air purifiers with HEPA filters typically generate some noise, however, most models are designed to be relatively quiet. It is important to check the noise rating before purchasing an air purifier to ensure it will not be too loud for your living space.
  4. What are the benefits of using an air purifier with a HEPA filter? An air purifier with a HEPA filter can help remove airborne pollutants, such as dust, pollen, pet dander, mold spores, and smoke. This can help reduce allergy symptoms and improve air quality in your home.
  5. How often should I replace the filter in my air purifier? The frequency with which you need to replace the filter in your air purifier will depend on the type of filter and the amount of air pollution in your area. It is important to refer to the manufacturer’s instructions for specific guidelines, as well as regularly check the filter for signs of wear and tear.


A study conducted by researchers at the University of Colorado Boulder found that the use of a HEPA air filter reduced the airborne virus concentration by over 50%. This could be of great benefit to shoppers hoping to protect their homes from viruses, especially during the current pandemic. Source: University of Colorado Boulder.

Disclaimer: This buying guide was not created by humans, and it is possible that some of it's content is inaccurate or incomplete. We do not guarantee or take any liability for the accuracy of this buying guide. Additionally, the images on this page were generated by AI and may not accurately represent the product that is being discussed. We have tried to convey useful information, but it is our subjective opinion and should not be taken as complete or factual.