HEPA vs UV vs Ioniser Air Purifiers: What’s the Difference and Which Should You Buy? 

HEPA filtration is one of the most used air purification technologies and ionisers with UV filters are very effective in inactivating microorganisms in the air like viruses and bacteria. The guide outlines the best air purifier to use at home to promote healthier indoor environments. To breathe cleaner air, individuals should understand the fundamental technologies of modern air purifiers, including HEPA filters, ionisers, and UV filters. The most suitable air cleaning system to use as a home air purifier is not only determined by the ability of the device to capture dust but also by the ability to remove a wide spectrum of pollutants that influence the quality of sleep and thinking abilities. 

Among the various purification technologies available, the HEPA, ioniser, and UV have demonstrated exceptional performance. The HEPA (High-Efficiency Particulate Air) filtration catches 99.97% of the particles up to 0.3 microns in diameter, so it is suitable for people with allergies and asthma. Among the various purification technologies, HEPA, ionisers, and UV have demonstrated exceptional performance. V filters also use the ultraviolet-C light to kill the DNA of the airborne viruses and bacteria, which is excellent in controlling the microbes. Considering the number of offered options, the following list will provide the five best air purifiers on Amazon, which have been selected due to the following important purification methods:

Philips AC0920 Smart Air Purifier for Home | Real-Time AQI Display

You can use this smart Philips air purifier in your bedroom and areas up to 300 sq. ft. It has a 2-layer HEPA filtration system to filter up to 99.5 per cent of ultrafine particles, such as dust, pollen, and other household allergens. It impressively scans the air 1000 times per second and automatically adjusts its performance based on real-time air quality. The purifier is made to operate quietly and effectively, allowing clean air to flow without noise. It is certified by RoHS and is small in size; hence, one can set it anywhere in the room.

Specifications:

Filter Type: HEPA
Brand: Philips
Product Dimensions: 23.8D x 24W x 36.4H cm
Floor Area: 300 sq. ft
Specification Met: RoHS Certified

Reasons to buy:

✓ Highly effective filtration
✓ Air scanned 1000 times per second
✓ Two-layer HEPA system
✓ Quiet and efficient performance

Reason to avoid:

✗ Mixed reviews regarding performance consistency

Honeywell Air Purifier for Home, 5-Stage Filtration, Covers 543 sq. ft.

The Honeywell is an appropriate design in large rooms and open spaces with a size of up to 543 sq. ft and has a 5-stage filtration system that operates on the basis of the HEPA, which has the capacity to remove 99.99 per cent of micro allergens, dust, and ultra-fine particles. It also has an ioniser as well as a UV LED, which helps in killing bacteria and germs. The purifier offers a high air turnover rate, as it takes a complete purification process every 12 minutes. Its ease of setup and high level of filtration make it available to the domestic environment that would want to achieve improved air quality.

Specifications:

Product Dimensions: 18D x 33W x 48H cm
Floor Area: 543 sq. ft
Specification Met: HEPA
Noise Level: 34.4 dB

Reasons to buy:

✓ Easy installation
✓ Ioniser helps reduce microbial load.
✓ Removes 99.99% of micro-allergens.
✓ Quick purification cycle

Reason to avoid:

✗ Some issues reported with colour indicator accuracy

Eureka Forbes 270 Air Purifier for Home | True HEPA H13 Filter & Real-Time AQI Indicator

The purifier is equipped with the dual purpose of enhancing the indoor air quality by eliminating dust, allergens, and microscopic pollutants. There is a touch control panel and a real-time AQI indicator to enable users to check the quality of the air without difficulty. It has a 3-speed fan with a sleep mode where it can work silently at night. There is an energy-saving timer and filter change notifications aid in timely maintenance.

Specifications:

Filter Type: HEPA
Included Components: Air Purifier, User Manual
Control Type: Touch
Weight: 3.3 kg

Reasons to buy:

✓ Quiet sleep mode
✓ Three-speed fan
✓ Energy-saving timer
✓ Filter change alert

Dr Trust USA Zurich Portable Room Air Purifier | HEPA Filter, UV & Air Quality Monitoring

This Dr Trust purifier is suitable in rooms as large as 270 sq. ft with a 4-stage filtration system with a high-quality HEPA filter. UV-B neutralises and destroys bacteria that are harmful, and it promotes better hygiene. Smart air quality monitoring is an automated technology that automatically alters its function according to real-time pollution. The 360-degree airflow system cleanses all areas of the room with purified air.

Specifications:

Product Dimensions: 22.9D x 22.9W x 34.4H cm.
Floor Area: 270 sq.ft
Certifications: CE, ETL, RoHS, UL
Noise Level: 50 dB

Reasons to buy:

✓ Four-layer filtration
✓ Smart air quality monitoring
✓ 360-degree airflow
✓ UV-B sterilisation

Reason to avoid:

✗ Not suitable for larger rooms

AGARO Royal Air Purifier for Home, True HEPA H13 Filter, Removes 99.99% Pollutants

This AGARO purifier is not very large, but it is powerful, and it has touch controls, making it user-friendly. The use of a 4-stage purification system with a True HEPA H13 filter eliminates up to 99.99% of contaminants. To conserve energy, the user is provided with three options of fan speed and a predetermined timer of 2, 4 or 8 hours.

Specifications:

Product Dimensions: 23.3D x 23.4W x 42H cm
Weight: 3 kg
Control Type: Touch
Colour: White

Reasons to buy:

✓ Four-stage purification
✓ H13 HEPA filtration
✓ Three speed settings
✓ Timer options of 2/4/8 hours

Reason to avoid:

✗ Replacement filters not widely available