Does an Air Purifier for Smoke Really Work?

Secondhand smoke is one of the causes of allergies in the home and the workplace. If you’re not keen on using medications regularly, your next best option is installing an air purifier for smoke. Studies show that air purifiers, combined with other safety measures, greatly reduces allergies due to secondhand smoke.


The Effects of Secondhand Smoke

Smoking is bad for one’s health, but people can’t seem to stop lighting up that cigarette. Secondhand smoke, on the other hand, refers to the smoke that is exhaled by a smoker. It also refers to smoke that comes out of a lit cigar or cigarette.

Burning these tobacco products releases countless chemicals, not just tobacco, may lead to several medical conditions, such as allergies, lung irritations, heart disease, and cancer.

If you want to prevent the onset of the more serious conditions mentioned in the list above, installing an air purifier for smoke may help.


How Can an Air Purifier Help?

Medical experts suggest installing an air purifier to reduce secondhand smoke in the air. However, note that an air purifier is more than just an air filter.

Both filters and purifiers work with your HVAC system. That is where they are primarily installed. But an air purifier also sanitizes the air other than just ridding it of particulates, allergens, and other pollutants.

How do these air purifiers work? An air purifier will first draw air in the room where it is installed—let’s say in your bedroom. The air is then run through several filters that remove smoke, dust, pollen, molds, allergens, and other airborne particulates.

Some air purifiers for smoke have activated carbon, others have HEPA filters, and some have both. The air is then sanitized, which means it eliminates the bacteria and other disease-causing organisms in the air. The cleaned and sanitized air is then released back into the room, and you breathe easy.


HEPA Filters

In choosing the air purifier for smoke, your best bet is to get one with a HEPA filter apart from activated carbon and other filters. HEPA filters can remove particles of up to 0.3 microns. This pretty much covers 99.97% of all smoke particles—including secondhand smoke from tobacco products.

Smoke from cigars and cigarettes are usually 4 to 0.01 microns. That is well within the filtering range of HEPA filters. Note that as tobacco smoke is inhaled and exhaled, its particles tend to get smaller.

That is why the design of your HVAC system is crucial. An air purifier should be situated strategically to remove the smoke particles efficiently.

Activated Carbon

Activated carbon is also another key feature in smoke filters. Activated carbon is porous and small enough so that the smells of different types of smoke (cigarette smoke included) are absorbed on its surface.

Activated carbon combined with HEPA filters can get rid of the smoke and the lingering odors that tend to get left behind.



A cigarette smoke air purifier that is properly situated can efficiently remove smoke and other allergens. Choose a purifier that can remove at least 99% of smoke, allergens, and other airborne particles.

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