HEPA Air Purifier vs Ionizer, Which one is better?
Home air filtration technologies are increasingly gaining ground with Indian homeowners. The rising levels of air pollution and the awareness spread by health and weather tracking apps has made us more conscious about our lifestyle choices. An air purifier is an enticing prospect because of its promised continuous delivery of clean air.
However, most first time air purifier buyers are confused by the underlying technologies used in these air cleaners. In today’s post, we will try to clarify your doubts concerning active air purifiers and passive air purifiers, more commonly known as ionic air purifiers and HEPA air purifiers respectively.
Use of Air filter vs negative ions
The first and major difference between ionic air purifiers and HEPA air purifiers is that of the technology used for cleaning indoor air.
A HEPA air purifier uses a fan for pulling the ambient air in and passing it through a series of air filters. The main filter in use is the high efficiency particulate arrestance (HEPA) filter from which the air purifier derives its name. The HEPA filter can trap air pollutants as small as 0.3 microns i.e. less than half the diameter of a human hair.
HEPA air purifiers remove the impurities permanently from the ambient environment and are used in combination with an activated carbon filter. The activated carbon filter traps gaseous elements and smoke, preventing foul odours and volatile organic compounds (VOCs) from spreading.
On the other hand,
An air ionizer uses electrically charged ions that bond with impurities floating in the ambient air. Once these negatively charged ions bond with the dust particles in the air, they become too heavy to stay afloat and fall on the floor and other flat surfaces. However, since the particles are not removed permanently, they need to be wiped away manually and there is always a chance of the pollutants getting kicked back in the air after losing the charge.
Coverage area of HEPA air purifier vs ionizers
Since HEPA air purifiers are using a physical mechanism, their coverage area can be lower than an air ionizer. However, for normal home use a HEPA air purifier provides adequate coverage. For example, the Honeywell Air Touch S8 air purifier can provide coverage for up to 452 square feet, which is more than enough for the largest of rooms. Moreover, the effectiveness of HEPA air purifiers can be increased by installing them as commercial air purifier solutions within the air con systems.
On the other hand,
An air ionizer is rated for a wider coverage area that can be upwards of 1,000 square feet. However, the larger the area the harder it is to rely on ionic air purifiers because the floor area with impurities stuck to it also increases. Moreover, ionizers are also known to emit Ozone in small quantities, which can be a cause of photochemical smog and trigger respiratory discomfort.
Initial and maintenance cost of HEPA air purifiers vs ionizers
Since HEPA is a more advanced technology that removes air pollution permanently, it costs a bit more than an air ionizer. However, the cost-benefit tilts in favour of HEPA air purifiers as there are certain risks involved with the cheaper ionization technology.
Maintenance cost of passive air purifiers include periodic replacement of the HEPA and activated carbon filters whereas active air purifiers generally do not entail any maintenance costs apart from regular service.
Design and style choices
Lastly, when you are buying a smart home air purifier product, you expect it to look good sitting in your living room. Here again, HEPA air purifiers trump the air ionizers.
Ionizers are usually thin, vertical units that can be placed in smaller spaces. However, HEPA air purifiers come in all kinds of shapes and sizes and will definitely prompt your guests to ask after them. Brands like Honeywell make some of the most iconic HEPA air purifiers that look truly elegant and futuristic sitting in your living room.
So, that’s all. We hope we were able to clarify your doubts regarding active air purifiers and passive air purifiers. Our recommendation for first time air purifier buyers is that you should go for a HEPA air purifier. It is better in almost every aspect and certainly offsets the cost with its tremendous benefits.
To browse and compare some of the best HEPA air purifiers in India, visit www.honeywellsmarthomes.com.