How to Choose the Right Type Of Filter For an Air Purifier?

25 minutes read

When selecting a filter for an air purifier, it is important to consider a few factors to ensure you choose the right type of filter for your needs. Here are some key points to consider:

  1. Identify your specific air quality needs: Determine what pollutants you want to eliminate from the air. Common pollutants include dust, pet dander, pollen, mold spores, smoke, and volatile organic compounds (VOCs). Different filters are designed to target specific contaminants, so understanding your needs will help you make an informed decision.
  2. HEPA filters: High-Efficiency Particulate Air (HEPA) filters are widely regarded as the gold standard for air purification. These filters can effectively capture 99.97% of particles that are as small as 0.3 microns. HEPA filters are suitable for removing common allergens like dust, pollen, pet dander, and mold spores.
  3. Carbon/Activated carbon filters: If your primary concern is eliminating odors or harmful gases like VOCs, smoke, or cooking smells, consider a filter with activated carbon. Activated carbon has excellent adsorption properties, effectively capturing and neutralizing these odorous pollutants.
  4. Pre-filters: Many air purifiers come with pre-filters designed to capture larger particles like hair, pet fur, and dust. These pre-filters prolong the life of the main filter by preventing it from clogging quickly. They are typically washable and reusable.
  5. Filter lifespan and replacement: Keep in mind that all filters have a recommended lifespan. It's important to check how often the filter needs to be replaced and factor in the cost of replacement filters when selecting an air purifier.
  6. Room size and Purifier capacity: Consider the size of the room where you plan to use the air purifier. Different purifiers have varying coverage areas, so ensure the one you choose is suitable for the square footage of your space. The air purifier's Clean Air Delivery Rate (CADR) is a useful metric to determine its efficiency in filtering the air.
  7. Noise level: Some air purifiers can be noisy, especially when operating at higher speeds. If noise is a concern for you, consider reading reviews or looking for models specifically designed for quiet operation.
  8. Energy efficiency: Look for air purifiers with energy-efficient features or certifications, as they will save you money on electricity bills over time.


By considering these factors, you can select the right type of filter for your air purifier that effectively addresses your specific air quality needs.

Best Air Purifiers for Home in 2024

1
LEVOIT Air Purifiers for Home Large Room Up to 1900 Ft² in 1 Hr with Washable Filters, Air Quality Monitor, Smart WiFi, HEPA Filter Captures Allergies, Pet Hair, Smoke, Pollen in Bedroom, Vital 200S

Rating is 5 out of 5

LEVOIT Air Purifiers for Home Large Room Up to 1900 Ft² in 1 Hr with Washable Filters, Air Quality Monitor, Smart WiFi, HEPA Filter Captures Allergies, Pet Hair, Smoke, Pollen in Bedroom, Vital 200S

  • LARGE BEDROOM COVERAGE: The Vital 200S is perfect for large, indoor spaces, especially large bedrooms. Purify a 380 ft² room 5x per hour, a 950 ft² room 2x per hour and a1900 ft² room 1x per hour
  • HIGHER AIR INTAKE: Purify your air quickly. With a traditional air inlet and the additional U-shaped air inlet, airborne pet fur and hair can easily be trapped without causing clogs
  • COMFORTABLE NIGHTS: Trap airborne allergens that cause congestion and coughing before they reach you. When in Auto Mode, the Vital 200S will automatically adjust the fan speed to protect your air quality while you rest
  • LOVE YOUR PETS: Filter pet hair and odors from your air while saving energy, if you open Pet Mode which is only controlled in the Vesync app. Thanks to this mode which alternates between high and medium fan speeds. The additional U-shaped air inlet helps trap airborne fur without causing clogs
  • 3-STAGE FILTRATION: Cleaning the Washable Pre-Filter helps the 3-stage filtration system last longer. The HEPA Filter traps pet dander, pollen, and more, while the High-Efficiency Activated Carbon Filter helps neutralize pet odors, fumes, and VOCs
  • RIGOROUS VIRUS TEST: The capacity of removing viruses is reliable because the data are approved by an authoritative detection mechanism.
  • CREATE SCHEDULES: Have a varied sleeping schedule Schedule exact start and end times for the Vital 200S, selecting which fan speed or mode you’d like the air purifier to use at different time periods, such as Auto Mode or Sleep Mode
  • GENUINE LEVOIT FILTERS: Off-brand replacement filters can cause damage to your air purifier. For best results and product performance, search B0BJPJ94MM for an official Levoit replacement filter
2
MORENTO Smart Air Purifier for home Large Rooms up to 1076 ft², Wi-Fi and Alexa compatible, PM2.5 Air Quality Display, Auto Mode, Quiet Mode 24dB, HEPA Filter Removes Dust, Pollen, Smoke (White)

Rating is 4.9 out of 5

MORENTO Smart Air Purifier for home Large Rooms up to 1076 ft², Wi-Fi and Alexa compatible, PM2.5 Air Quality Display, Auto Mode, Quiet Mode 24dB, HEPA Filter Removes Dust, Pollen, Smoke (White)

  • Enjoy Clean Air: MORENTO HY4866-WF smart air purifiers for home can be used at home to effectively capture 99.97% of airborne particles with a size of 0.3 microns, including dust and pollen. This air purifiers for home large room with a CADR of up to 300 m ³/ h, one air change per hour can be completed for rooms up to 1076 ft² or 100 m². This air purifier for home can use with the “Havaworks” app to monitor the air quality from your phone in real-time.
  • App-Enabled Wi-Fi Control: Use the “Havaworks” app to turn your air purifiers for home into a remote. Set an active schedule for convenience or manually control the settings for a burst of clean air. Monitor the air quality and check the filter life on this hepa air purifie's display or APP at your leisure.
  • Intelligent Voice Control: Go hands-free and use your voice to monitor and change the HY4866-WF hepa air purifier's settings through Amazon Alexa or Google Assistant.
  • High Efficiency Filtration: The double air intake design of this hepa air purifiers for home allows the multi-layer HEPA filters to purify from both sides simultaneously, increasing the purification speed. The smart display of this air purifiers for home and app monitors the filter life and will let you know when to replace them. Search for B0BMDYDXFK (enhanced) or B0C3GWNR29 (original) on Amazon for replacement filters.
  • Sleep Well: In sleep mode, this air purifier for bedroom will run at its lowest fan speed at less than 24dB (the equivalence of ambient silence) with the display lights off. Enjoy an interrupted night’s rest with clean air. Activating the display of the air purifier will exit sleep mode.
  • 4 Fan Speeds: Select from fan speeds of 1F/2F/3F/4F for this HY4866-WF hepa air purifier for home; the higher the fan speed, the quicker the air is filtered and purified. In automatic mode, the fan speed will automatically adjust to the air quality. Couple this with a 2/5/8 hour timer to have this air purifier for bedroom run for the designated period of time while sleeping or heading out.
  • Air Quality Monitoring: The PM2.5 infrared sensor monitors the air quality in real-time and displays this information on the screen of MORENTO smart air purifiers and on the “Havaworks” app. If the air quality drops, the screen of air purifiers for home large room will display yellow or red and the app will send a notification in accordance to current air quality rating.
3
Instant HEPA Quiet Air Purifier From the Makers of Instant Pot with Plasma Ion Technology, Rooms up to 1,940ft2, removes 99% of Dust, Smoke, Odors, Pollen & Pet Hair, for Bedrooms, Offices, Charcoal

Rating is 4.8 out of 5

Instant HEPA Quiet Air Purifier From the Makers of Instant Pot with Plasma Ion Technology, Rooms up to 1,940ft2, removes 99% of Dust, Smoke, Odors, Pollen & Pet Hair, for Bedrooms, Offices, Charcoal

  • ADVANCED AIR CLEANING TECH: Combines a HEPA-13 filter that captures 99.97% of dust, pollen, smoke, mold, & other ultrafine impurities, combined with Plasma Ion Technology that projects positive and negative ions in the air allowing you to breathe easy.
  • CLEAN AIR IN MINUTES: Filters up to 1,940 SQFT per hour, and AHAM-Verified to exchange 388 SQFT 5 times per hour, allowing you to breathe cleaner air in minutes.
  • AUTO MODE: Automatically senses the air quality and adjusts the fan speed according to detected quality. Digital read out of % air quality and light band indicates when air quality is good-white, okay-orange, or poor-red, and adjusts to get back to good.
  • ODOR REDUCER: Activated carbon filter layer helps decreasing unpleasant smells, allowing your rooms or office space to be refreshed.
  • WHISPER-QUIET: Light sensor automatically turns off displays and lowers noise to whisper-quiet levels when it is time for bed.
  • ENERGY STAR CERTIFIED: Eco mode cycles the fan on and off every 10 minutes, if air quality is detected good for 30 minutes, allowing 50% energy reduction.
  • LONG LASTING FILTER: Our high quality air filter can last up to 12 months and changing it is effortless! Unhinge the bottom of the purifier and swap out your old filter and swap in a new Instant Air Purification Replacement Filter.
  • A BRAND YOU TRUST: From the makers of Instant Pot, the brand that revolutionized the way you cook, is now transforming the way you live and breathe. With an Instant Air Purifier, you’ll inhale cleaner air, and exhale peace of mind.
  • NOT AVAILABLE FOR SALE IN INDIANA.
4
AROEVE Air Purifiers for Large Room Up to 1095 Sq Ft Coverage with Air Quality Sensors H13 True HEPA Filter with Auto Function for Home, Bedroom, MK04- White

Rating is 4.7 out of 5

AROEVE Air Purifiers for Large Room Up to 1095 Sq Ft Coverage with Air Quality Sensors H13 True HEPA Filter with Auto Function for Home, Bedroom, MK04- White

  • Efficient H13 Purification: Equipped with an H13 True HEPA Filter and a high-efficiency filtration system, our air cleaner can effectively filter particles as small as 0.3 microns in the air. When you turn on the high-efficiency air purifier, it can refresh the air in a room as large as 1095 sq ft / 100 m² every hour, providing you with a new and comfortable air environment throughout the day in your home or office.
  • Dual Air Treatment: Our air purifier not only uses H13 True HEPA filter to capture particles as small as 0.3 microns, but also features a light treatment technology to further purify the air. With this dual treatment system, we provide more comprehensive air purification, ensuring a healthier living environment for you and your family. (Note: The function is turned off by default, please turn it on to maximize the air purifier's performance.)
  • Feel The Air Change: Our air purifier comes equipped with a built-in PM2.5 sensor, so you don't have to play the guessing game with your nose. When the air quality drops, our purifier will go into action and the indicator will turn yellow or red, and the fan will speed up to clean the air faster. Trust us, your lungs will thank you for the break from the dirty air.
  • Your Silent Companion: Ssshh...can you hear that? No, it's not the sound of silence, it's the sound of our air purifier in sleep mode! With low noise and low speed, it's the perfect companion for a good night's sleep. It will not disturb your sweet sleep, and even a light sleep baby can enjoy the comfortable air on a quiet night.
  • Filter Replacement Made Easy: Say goodbye to the hassle of replacing air filters. Our air purifier makes it a breeze! Simply open the filter cover, grab the rope on the side, and voila! You can easily take out or replace the filter inside. We recommend replacing the air filter every 3-6 months to ensure optimal air purification. (Pro tip: For best results, always use the official filter!)
5
PuroAir HEPA 14 Air Purifier for Home - Covers 1,115 Sq Ft - Air Purifier for Allergies - For Large Rooms - Filters Up To 99.99% of Pet Dander, Smoke, Allergens, Dust, Odors, Mold

Rating is 4.6 out of 5

PuroAir HEPA 14 Air Purifier for Home - Covers 1,115 Sq Ft - Air Purifier for Allergies - For Large Rooms - Filters Up To 99.99% of Pet Dander, Smoke, Allergens, Dust, Odors, Mold

  • CLEANER AIR IN MINUTES: Cleans large rooms up to 1,115 sq ft in just 60 minutes. Perfect for homes and offices. Breathe clean, crisp air and kiss your allergies goodbye!
  • POWERFUL HEPA 14 FILTER: The PuroAir filter captures up to 99.99% of fine particulate matter down to 0.1 microns in size. This includes dust, pet dander, odors, and smoke. Up to 10x more powerful than a HEPA H13 grade filter.
  • BACKED BY SCIENCE: 3rd party lab tested and certified. Proven to capture up to 99.99% of fine particulate matter down to 0.1 microns in size. This may include allergens, smoke, mold, pollen, dust, and odors among other fine particles you don’t want to breathe in. CARB, ETL, ISO, UL and Energy Star certified. Backed by scientists and virologists at Harvard, MIT, Johns Hopkins, and Oxford University.
  • CLEANS AIR AUTOMATICALLY: A smart particle sensor monitors air quality for you and adjusts to increase power if polluted air is detected. Perfect for every room.
  • BREATHE EASIER: Relax and let PuroAir filter your home’s air, improving your allergies, asthma and sleep quality. Includes a timer, fan speed, sleep mode, filter replacement indicator, and child lock, great for both kids and pets.
6
LEVOIT Air Purifiers for Home Large Room Up to 1980 Ft² in 1 Hr With Air Quality Monitor, Smart WiFi and Auto Mode, 3-in-1 Filter Captures Pet Allergies, Smoke, Dust, Core 400S/Core 400S-P, White

Rating is 4.5 out of 5

LEVOIT Air Purifiers for Home Large Room Up to 1980 Ft² in 1 Hr With Air Quality Monitor, Smart WiFi and Auto Mode, 3-in-1 Filter Captures Pet Allergies, Smoke, Dust, Core 400S/Core 400S-P, White

  • LARGE COVERAGE: The top-performing Levoit Core 400S Smart Air Purifier can purify large rooms, such as bedrooms, living rooms, kitchens, and basements. Purify a 403 ft² room 5x per hour and a 1980 ft² room 1x per hour
  • 3-STAGE FILTRATION: Filtration includes an Efficient MiddleFilter, which traps pollen, dust, and pet dander, and an Efficient Activated Carbon Filter that helps neutralize odors, cooking and wildfire smoke, and VOCs
  • WHISPER-LEVEL QUIET: Keep the Core 400S running throughout the night, as Sleep Mode uses the lowest fan speed (24dB) to create a sleep-friendly space that’s as quiet as falling leave
  • COMBAT ALLERGIES AND ASTHMA: Powerful air purification during allergy and wildfire seasons helps capture allergens that cause sneezing, congestion, breathing difficulties, and other symptoms
  • VIEW AIR QUALITY: The laser dust sensor scans the surrounding air for airborne particles, continuously updating the PM2.5 display and creating graphs in the VeSync app so you can see how your air quality has improved
  • TRUSTWORTHY AND SAFE: The Core 400S is Energy Star, FCC certified, ETL listed, German Design Award (2021) and iF Design Award (2021). Only use Levoit replacement filters for best results and product performance
7
LEVOIT Air Purifiers for Home Large Room Bedroom Up to 1110 Ft² with Air Quality and Light Sensors, Smart WiFi, Washable Filters, HEPA Filter for Pets, Allergy, Dust, Vital 100S / Vital 100S-P, White

Rating is 4.4 out of 5

LEVOIT Air Purifiers for Home Large Room Bedroom Up to 1110 Ft² with Air Quality and Light Sensors, Smart WiFi, Washable Filters, HEPA Filter for Pets, Allergy, Dust, Vital 100S / Vital 100S-P, White

  • SLEEP WELL: Trap airborne allergens that cause congestion and coughing. With the Light Detection feature, the air purifier will automatically turn off display lights and limit Auto Mode to the quietest fan speeds when the room gets dark
  • PET OWNERS FRIENDLY: Pet Mode cleans the air and conserves energy, while the wide U-shaped air inlet effectively traps airborne pet fur and large particles
  • 3-STAGE FILTRATION: Cleaning the Washable Pre-Filter helps the 3-stage filtration system last longer. The HEPA Filter traps pet dander, pollen, and more, while the High-Efficiency Activated Carbon Filter helps neutralize pet odors, fumes and VOCs
  • HEPA FILTER: the HEPA filter of the 3-in-1 filter removes at least 99.97 percent of dust, pollen,  and any airborne particles with a size of 0.3 microns (µm)
  • CREATE SCHEDULES: Would you like the air purifier to run at specific times Create a detailed schedule with your fan speed and air purifier mode preferences, such as Auto Mode or Sleep Mode
  • SMART CONTROL: With the free VeSync app, you can control air purifier settings, set timers, create schedules, check filter life, and connect to third-party voice assistants
  • OFFICIAL LEVOIT FILTERS: Search for B0BNTKJV78 to find Levoit's replacement filter for Vital 100S. Levoit filters provide the best fit and filtration, while off-brand filters are unreliable and may damage the air purifie
8
2 Pack Druiap Air Purifiers for Home Bedroom up to 690ft², H13 True HEPA Filter Air Cleaner Purify 99.97% Micron Particles/Bad Air/Smoke/Pet Dander/for Office, Dorm, Apartment, Kitchen (KJ80 Black)

Rating is 4.3 out of 5

2 Pack Druiap Air Purifiers for Home Bedroom up to 690ft², H13 True HEPA Filter Air Cleaner Purify 99.97% Micron Particles/Bad Air/Smoke/Pet Dander/for Office, Dorm, Apartment, Kitchen (KJ80 Black)

  • 【2 Pack High-Efficiency Air Purifiers for Small, Medium Rooms】-🌿 2Pack option is warmly prepared to meet customers larger air purifying areas demand, more than double efficiency. H13 True HEPA air purifier for Pet Owners, Parents with Newborns. Air filter purify 99.97% of 0.1 Microns airborne particles, perfect for quickly cleaning a wide range of Bad Air, pet dander, cooking and smoking in a certain space. Let you freely enjoying fresh air at home!
  • 【Ultra-Quiet & Night Light Sleep Mode】-🌿 In Night Light sleep mode, click the Night Light button for the second time to reduce the brightness of the warm white light by 50%, can replace the dazzling light in the bedroom, sound is as low as 20dB, which is very quiet and will not wake up or disturb the sleep of you and your family, including your pets. Keep silent 20dB operation to purify the air, provide you with a quiet and comfortable sleeping environment, enjoy High-Quality Sleep!
  • 【Energy Saving & Money Saving】-🌿 At 10 cents kWh in the city, M(Medium) Fan Speed Mode power is 5W - only $0.08 per week for continuous operation (24 h/7 days). HEPA air purifiers are perfect for bedrooms, dorms, apartment, medium rooms, small rooms, offices, desk, desktop, living rooms, kitchens, indoor or bookroom. 3 Fan Speed(H/M/L) and 3 Timer Options (2H/4H/8H), you can achieve maximum energy saving according to the specific mode you set.
  • 【Very Easy To Use & Filter Replacement Reminder】-🌿Small, lightweight, 2.31lb, 6.7*6.7*10.6inch, circular design (360° intake at the bottom) portable compact air purifier for home, we recommend that you replace the filter element at least every 3-6 months or so for the best air purification effect! Search ASIN: B0B6BPPFJ6 to buy the original filter of KJ80. No need specialist knowledge, easy to replace in a few minutes! (NOTE: Other brands of filters are not sized to fit our Druiap purifiers.)
  • 【Best After-Sales Service】-🌿 (Available for California),100% quality assurance, all the products we send have undergone numerous tests and multiple certifications. Air Cleaner has passed EPA ETL CE FCC RoHS CARB Certification. If there are any question, you can contact us anytime. We will have a professional customer service team to communicate with you! [Package Includes]: 2* KJ80 Air Purifier, [2* H13 Ture HEPA filter , 2*Power Adapter(included inside the air purifier)], 2 *User Manual


How to tell if an air purifier filter fits properly?

To determine if an air purifier filter fits properly, you can follow these steps:

  1. Check the dimensions: The first and most important step is to ensure that the air purifier filter matches the exact dimensions recommended by the manufacturer. Compare the measurements of the filter with the specifications mentioned in the user manual of the air purifier.
  2. Secure fit: Insert the filter into the designated slot or compartment of the air purifier. It should fit snugly and securely without any gaps or spaces around the edges. Ensure that the filter does not protrude or stick out.
  3. Alignment: Pay attention to the alignment of the filter with the arrows or markings (if any) on the air purifier. Most filters have an indicator for the correct orientation, ensuring effective airflow through the filter.
  4. No air bypass: Turn on the air purifier and observe if there is any air bypassing the filter. Place your hand around the edges of the filter, especially near the corners, to feel if any air is escaping. If there is air leakage or bypass, it indicates an improper fit.
  5. Filter replacement light: Some air purifiers have a filter replacement indicator light. If the filter is properly installed, this light should turn off or reset after inserting a new filter. However, if the indicator light remains on or continues to remind you to replace the filter, it may indicate an improper fit or an issue with the filter.


In case of any doubts or concerns regarding the proper fit of the air purifier filter, it's always advisable to consult the user manual or contact the manufacturer for guidance.


What maintenance is required for air purifier filters?

The maintenance required for air purifier filters typically involves regular cleaning or replacement, depending on the type of filter. Here are some common maintenance tasks for different types of air purifier filters:

  1. Pre-Filter: This is the first line of defense in trapping larger particles like dust, pet hair, and lint. It is usually washable and can be vacuumed or rinsed with water to remove the trapped particles. Cleaning frequency may vary depending on the air quality and filter build-up.
  2. HEPA Filter: High-Efficiency Particulate Air (HEPA) filters are highly effective at capturing small particles such as allergens, pollen, dust mites, and mold spores. These filters cannot be washed and require replacement when they become clogged or after a certain lifespan, which is typically mentioned by the manufacturer.
  3. Activated Carbon Filter: Activated carbon filters are designed to adsorb and remove gases, odors, and volatile organic compounds (VOCs) from the air. These filters also cannot be washed and should be replaced based on manufacturer's guidelines.
  4. Electrostatic or Ionic Filters: These filters use an electric charge to trap airborne particles. They require regular cleaning to maintain efficiency. Depending on the type, they might need to be washed, wiped with a damp cloth, or simply brushed off to remove accumulated debris.


Maintaining air purifier filters is essential to ensure their optimal performance in cleaning the air. It's crucial to follow the manufacturer's instructions regarding filter maintenance, including cleaning frequency and replacement intervals, to maintain the air purifier's effectiveness.


How often should I change an air purifier filter?

The frequency at which you should change an air purifier filter depends on several factors including the manufacturer's recommendations, the specific type of filter, the air quality in your environment, and how frequently you use the purifier. However, as a general guideline, it is recommended to change the filter every 3 to 6 months for optimal performance and efficiency. Some filters may indicate a specific timeframe for replacement, so it is advisable to refer to the user manual or manufacturer's instructions for specific guidance. Additionally, if you notice a decrease in air purifier performance or if the filter appears dirty or clogged, it is best to change it sooner.

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