How to Test the Effectiveness Of an Air Purifier?

19 minutes read

When testing the effectiveness of an air purifier, there are a few methods you can use. One way is to check the Clean Air Delivery Rate (CADR) of the purifier, which measures the volume of clean air produced by the purifier in a specific amount of time. The higher the CADR, the more effective the purifier is at removing pollutants from the air.


Another method is to use a particle counter to measure the levels of airborne particles before and after using the purifier. This can give you a quantitative measurement of the purifier's effectiveness in removing pollutants from the air.


You can also consider conducting a smell test by using the air purifier in a room with strong odors, such as from cooking or smoking, and seeing if the purifier is able to effectively eliminate the odors.


It is important to note that these methods may not always give completely accurate results, but they can provide a good indication of how well the air purifier is performing in improving indoor air quality.

Best Air Purifiers of July 2024

1
Honeywell HPA200 HEPA Air Purifier for Large Rooms - Microscopic Airborne Allergen+ Reducer, Cleans Up To 1500 Sq Ft in 1 Hour - Wildfire/Smoke, Pollen, Pet Dander, and Dust Air Purifier – Black

Rating is 5 out of 5

Honeywell HPA200 HEPA Air Purifier for Large Rooms - Microscopic Airborne Allergen+ Reducer, Cleans Up To 1500 Sq Ft in 1 Hour - Wildfire/Smoke, Pollen, Pet Dander, and Dust Air Purifier – Black

  • LARGE ROOM AIR PURIFIER - Honeywell HPA200 HEPA Air Purifier helps provide fresher, cleaner air in minutes. Cleans up to 1500 sq ft in 60 mins (1 ACH), for powerful large room coverage. Provides 4.8 air exchanges per hr in AHAM suggested room size of 310 sq ft
  • HELPS REDUCE AIRBORNES - This HEPA air purifier has 3 air cleaning levels including Turbo Clean. It helps capture the following microscopic airborne particles: dirt, pollen, pet dander, and smoke.
2
LEVOIT Air Purifier for Home Allergies Pets Hair in Bedroom, Covers Up to 1095 ft² by 45W High Torque Motor, 3-in-1 Filter with HEPA sleep mode, Remove Dust Smoke Pollutants Odor, Core300-P, White

Rating is 4.9 out of 5

LEVOIT Air Purifier for Home Allergies Pets Hair in Bedroom, Covers Up to 1095 ft² by 45W High Torque Motor, 3-in-1 Filter with HEPA sleep mode, Remove Dust Smoke Pollutants Odor, Core300-P, White

  • A 45W long-life high-torque motor, a versatile 8.7" x 8.7" x 14.2" size, a 7.48 lb weight, a 141CFM CADR and up to 219 ft² of purification area for original filter. Levoit Original Filter is HEPA-grade while operating in Sleep Mode, as tested by an independent lab
  • 𝐅𝐈𝐍𝐃 𝐑𝐄𝐋𝐈𝐄𝐅: Our filter has a strong filtration performance of ultrafine particles. 99.97 percent filtration efficiency for 0.1~0.3μm airborne particulates, including pollen, dust, and animal dander allergens.Tested by an independent lab
  • 𝐎𝐅𝐅𝐈𝐂𝐈𝐀𝐋 𝐋𝐄𝐕𝐎𝐈𝐓 𝐅𝐈𝐋𝐓𝐄𝐑𝐒: Search for B07RSZSYNC to find Levoit's replacement filter for Core 300-P air purifier, Model No.: Core 300. Levoit filters provide the best fit and filtration, while off-brand filters are unreliable and may damage the air purifier
  • 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 in sleep mode, ensuring it won't get in the way of a good night's rest
3
Air Purifiers for Home Large Room up to 1740sq.ft, LUNINO H13 HEPA Air Filter with PM 2.5 Display Air Quality Sensors, Aromatherapy Function, Air Cleaner for Dust, Smoke, Dander, Pets Hair, Pollen

Rating is 4.8 out of 5

Air Purifiers for Home Large Room up to 1740sq.ft, LUNINO H13 HEPA Air Filter with PM 2.5 Display Air Quality Sensors, Aromatherapy Function, Air Cleaner for Dust, Smoke, Dander, Pets Hair, Pollen

  • 【High Efficiency HEPA Air Purifier】LUNINO H13 HEPA air purifiers for home can effectively captures 99.97% of airborne contaminants, including pet hair, smoke, PM 2.5 and bad smells. This large room air purifiers coverage area up to 1740 sq ft, fits in different spaces like bedrooms, living rooms, offices, nurseries, basements and kitchens. It is the best choice for anyone who wants to improve air quality.
  • 【5 Fan Modes & Night Light】LUNINO air purifier for home has 5 fan speed mode (Sleep/Auto/Low/Med/High), you can adjust fan speeds according to your needs to achieve the best effect. Sleep mode is very quiet and the noise as low as 15dB, let you enjoy fresh air as you sleep sweetly. The soft night light can prevents falls and can be turned off for a perfect night's sleep.
  • 【Aromatherapy & Child Lock】Add a few drops of your favorite essential oil to the aromatherapy pad on top of the air purifier for home to give a room a pleasant scent or mask a bad odor. The considerate child lock design can prevent your baby from being injured and prevent accidental touching and arbitrary changes in settings.
4
LEVOIT Air Purifiers for Home Large Room Up to 1800 Ft² in 1 Hr with Washable Filters, Air Quality Monitor, Smart WiFi, HEPA Sleep Mode for Allergies, Pet Hair, Pollen in Bedroom, Vital 200S-P, White

Rating is 4.7 out of 5

LEVOIT Air Purifiers for Home Large Room Up to 1800 Ft² in 1 Hr with Washable Filters, Air Quality Monitor, Smart WiFi, HEPA Sleep Mode for Allergies, Pet Hair, Pollen in Bedroom, Vital 200S-P, White

  • 𝐅𝐎𝐑 𝐀𝐋𝐋 𝐓𝐇𝐄 𝐀𝐈𝐑-𝐁𝐑𝐄𝐀𝐓𝐇𝐈𝐍𝐆 𝐏𝐄𝐓 𝐋𝐎𝐕𝐄𝐑𝐒: 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
  • 𝐇𝐈𝐆𝐇𝐄𝐑 𝐀𝐈𝐑 𝐈𝐍𝐓𝐀𝐊𝐄: Purify your air quickly. With a traditional air inlet and the additional U-shaped air inlet, airborne pet hairs and odors can easily be trapped without causing clogs
  • 𝐋𝐀𝐑𝐆𝐄 𝐂𝐎𝐕𝐄𝐑𝐀𝐆𝐄: The Vital 200S-P is perfect for large, indoor spaces, especially large bedrooms. It has a CADR of 242 CFM and can purify the air of a 1800 ft² space once/hour (based on Levoit's Original Filters; not applicable to other replacement filters)
  • 𝐇𝐄𝐏𝐀 𝐒𝐋𝐄𝐄𝐏 𝐌𝐎𝐃𝐄: When in Auto Mode, the Vital 200S-P will automatically adjust the fan speed to protect your air quality while you rest. Levoit Original Filter is HEPA-grade while operating in Sleep Mode, as tested by an independent lab
5
POMORON Air Purifiers for Home Large Room Up to 1076Ft² with Air Quality Sensor&Auto Mode, UV Light, Efficient HEPA Air Purifiers Filter 99.97% of Pollen Allergies Smoke Pet Dander for Bedroom, White

Rating is 4.6 out of 5

POMORON Air Purifiers for Home Large Room Up to 1076Ft² with Air Quality Sensor&Auto Mode, UV Light, Efficient HEPA Air Purifiers Filter 99.97% of Pollen Allergies Smoke Pet Dander for Bedroom, White

  • High Performance-For Large Room Up to 1076Ft²: POMORON Model MJ005H air purifier for home is designed with high performance air duct, significantly improves purification speed for large room. It can purify a 1076 ft² room 1 time an hour and a 215 ft² room 5 times per hour, rapidly fill up your room with tons of fresh air.
  • Air Quality Display & Smart Auto Mode: Equipped with a PM2.5 sensor, our MJ005H air purifier can monitor the real-time air quality and display precise PM2.5 readings. In Auto Mode, it can adjust its operation speeds according to the air quality. When the air quality drops, the indicator light will turn yellow or red and the fan will automatically speed up to clean the air faster, creating a healthy living environment for you and your family.
  • UV Dual Purification: Our air purifier for large room has a built-in UV module, which can further eliminate the harmful substance in the air and suppress their development inside the machine and filter cartridge.
6
Winix 5500-2 Air Purifier with True HEPA, PlasmaWave and Odor Reducing Washable AOC Carbon Filter Medium , Charcoal Gray

Rating is 4.5 out of 5

Winix 5500-2 Air Purifier with True HEPA, PlasmaWave and Odor Reducing Washable AOC Carbon Filter Medium , Charcoal Gray

  • True HEPA filter captures 99.97% of airborne pollutants; dust mites, pet dander, pollen and other allergens as small as 0.3 microns
  • Washable AOC Carbon Filter, made from activated carbon granulars for removal of household odors. Decibels 27.8 dB
  • PlasmaWave acts as a permanent filter to safely break down odor, allergens, chemical vapors and other pollutants with no harmful ozone
  • Smart Sensors gauge the air and our Auto Mode adjusts the fan to filter the air as needed; with a sleep mode for silent night time operation
7
LEVOIT Air Purifiers for Home Large Room Bedroom Up to 1110 Ft² with Air Quality and Light Sensors, Smart WiFi, Washable Filters, HEPA Sleep Mode for Pets, Allergies, Dust, Pollon, 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 Sleep Mode for Pets, Allergies, Dust, Pollon, Vital 100S-P, White

  • 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
  • 𝐂𝐎𝐌𝐏𝐀𝐂𝐓 𝐅𝐎𝐑 𝐄𝐕𝐄𝐑𝐘 𝐇𝐎𝐌𝐄: Experience instant freshness with the Vital 100S-P Air Purifier. It boasts a 143 CFM CADR and cleanses 1100 ft² of space hourly with Levoit's Original Filters (not compatible with other replacement filters)
  • 𝐇𝐈𝐆𝐇 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄: Our filter offers powerful filtration, with 99.97 percent efficiency in capturing ultrafine particles sized 0.1-0.3μm, such as pollen, dust, and pet dander allergens. Disclaimer: Independently lab-tested
  • 𝐇𝐄𝐏𝐀 𝐒𝐋𝐄𝐄𝐏 𝐌𝐎𝐃𝐄: With Light Detection, Vital 100S-P dims display lights and sets Auto Mode to quiet fan speeds in darkness. Levoit Original Filter achieves HEPA-grade filtration in Sleep Mode, independently tested
8
LEVOIT Air Purifiers for Bedroom Home, 3-in-1 Filter Cleaner with Fragrance Sponge for Sleep, Smoke, Allergies, Pet Dander, Odor, Dust, Office, Desktop, Portable, HEPA at Speed Ⅰ, Core Mini-P, White

Rating is 4.3 out of 5

LEVOIT Air Purifiers for Bedroom Home, 3-in-1 Filter Cleaner with Fragrance Sponge for Sleep, Smoke, Allergies, Pet Dander, Odor, Dust, Office, Desktop, Portable, HEPA at Speed Ⅰ, Core Mini-P, White

  • 𝗥𝗘𝗙𝗥𝗘𝗦𝗛 & 𝗥𝗘𝗟𝗔𝗫: If you struggle with allergies, low-quality sleep, congestion, or symptoms caused by pet dander, the Levoit Core Mini-P Air Purifier is ready to help you create a comfortable space
  • 𝗠𝗔𝗧𝗧𝗘𝗥 𝗢𝗙 𝗠𝗜𝗡𝗨𝗧𝗘𝗦: Breathe freely and sleep better as the air purifier uses 360° VortexAir Technology 3.0 and 3-stage filtration to ensure top-notch air purification, Operating Conditions Temperature: 14°–104°F / -10°–40°C
  • 𝗔𝗥𝗢𝗠𝗔𝗧𝗛𝗘𝗥𝗔𝗣𝗬: Struggling with pet odors or musty smells, Add a few drops of fragrant essential oils to the aroma pad to keep your space smelling great
9
AROEVE Air Purifiers for Home, Air Purifier Air Cleaner For Smoke Pollen Dander Hair Smell Portable Air Purifier with Sleep Mode Speed Control For Bedroom Office Living Room, MK01- White

Rating is 4.2 out of 5

AROEVE Air Purifiers for Home, Air Purifier Air Cleaner For Smoke Pollen Dander Hair Smell Portable Air Purifier with Sleep Mode Speed Control For Bedroom Office Living Room, MK01- White

  • Impressive Particle Filtration: AROEVE air purifier utilizes filter that can effectively filter out particles such as smoke, pollen, dander, hair, and more, potentially improving air quality and promoting better health and well-being for you.
  • High Circulation Rate: With dual-channel and 360-degree air inlets technology, AROEVE air purifier refreshes the air per hour in rooms up to 215 ft² / 20 m², covering every corner of the room to promote better health for you.
  • Low Decibel Operation: AROEVE air purifier operates quietly, especially when the sleep mode is activated, which reduces the fan speed to the lowest setting, effectively eliminating any noticeable sound. The filtered air noise is as low as 22 dB, making it ideal for creating a peaceful and relaxing indoor environment while still providing effective purification.


What is the best method to test the air quality before and after using an air purifier?

  1. Use an air quality monitor: The most reliable way to test the air quality is by using an air quality monitor. These devices can measure a variety of pollutants in the air, such as particulate matter, volatile organic compounds (VOCs), and carbon dioxide levels.
  2. Conduct a visual inspection: Before using an air purifier, you can visually inspect the air quality by looking for signs of dust, debris, or odors in the room. After using the air purifier for a period of time, you can conduct another visual inspection to see if there are any noticeable improvements in air quality.
  3. Use test kits: There are testing kits available that can measure specific pollutants in the air, such as mold spores, allergens, or VOCs. These kits typically involve taking a sample of the air and sending it to a lab for analysis.
  4. Monitor symptoms: If you or others in your household experience symptoms such as sneezing, coughing, or headaches, these could be indicators of poor indoor air quality. After using an air purifier, monitor any changes in symptoms to see if there is an improvement.


It is recommended to use a combination of these methods to get a comprehensive understanding of the air quality before and after using an air purifier.


How to make a comparative analysis between different air purifiers to find the most effective one?

To make a comparative analysis between different air purifiers to find the most effective one, follow these steps:

  1. Identify your specific needs and requirements: Consider factors such as the size of the room, the type of pollutants you want to remove, noise level, energy efficiency, and budget constraints.
  2. Research and compare specifications: Look at the technical specifications of each air purifier, including the type of filtration system used (HEPA, activated carbon, UV light, etc.), air purification rate, CADR (Clean Air Delivery Rate), and room coverage area.
  3. Read reviews and feedback: Look for customer reviews and ratings on different platforms such as Amazon, Consumer Reports, and dedicated air purifier review websites. Pay attention to both positive and negative feedback to get an overall understanding of the product's performance.
  4. Consider the brand reputation: Some well-known brands have a reputation for producing high-quality air purification systems. Look for brands that are established and have a good track record of customer satisfaction.
  5. Compare prices: Consider the price of each air purifier and compare it to the features and specifications offered. Keep in mind that a higher price does not always guarantee better performance.
  6. Evaluate additional features: Some air purifiers come with extra features such as air quality sensors, automatic modes, timer settings, and remote control. Consider whether these features are important to you and if they align with your needs.
  7. Test the air purifiers if possible: If you have the opportunity, test the air purifiers in a real-world setting to see how effectively they clean the air and how they perform in your specific environment.


By following these steps and carefully comparing different air purifiers based on your specific needs and requirements, you should be able to find the most effective one for your home or office.


What is the significance of checking the Clean Air Delivery Rate (CADR) of an air purifier?

The Clean Air Delivery Rate (CADR) of an air purifier is a crucial factor to consider when choosing an air purifier because it indicates how effectively the purifier can remove airborne pollutants such as dust, pollen, pet dander, smoke, and other allergens from the indoor air. A higher CADR value means the air purifier can clean the air more efficiently and quickly, providing better air quality for you.


By checking the CADR of an air purifier, you can ensure that it is capable of meeting your specific air purification needs and effectively removing pollutants from your indoor environment. This is especially important for individuals with allergies, asthma, or other respiratory conditions, as clean air can significantly improve their health and well-being.


Therefore, checking the CADR of an air purifier helps you make an informed decision and choose the right air purifier that will effectively clean the air in your home or office, creating a healthier and more comfortable indoor environment for you and your family.

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