Can an air filter make allergies worse?

Indoor air quality could be worsening your allergies. Using a HEPA filter in your home can remove most airborne particles that could make allergies worse. But airborne particles aren't the only ones in your home. There is so much more to its carpets, bedding and curtains, and it rests on countertops and tables.

Therefore, it is important to keep these areas clean. It is also important, where possible, to eliminate the source of allergens and irritants. For example, the only effective way to keep tobacco smoke out of your home is to not smoke. Never buy “air purifiers” ozone generators.

According to the EPA and doctors, ozone is a respiratory irritant and, in fact, can worsen allergy or asthma symptoms. This is the case when air conditioning filters are dirty. The air in your home is contaminated with dust, pollen, dander, mold spores, and other particles. As a result, about 60% of asthma cases are caused by these particles.

A good quality air conditioning filter can help reduce these air pollutants. However, a dirty air conditioning filter has the opposite effect. Air conditioners filter harmful particles out of the air before blowing it all over the house, but when the air conditioner filter fills up, its efficiency drops. Therefore, air pollutants and asthma triggers are driven by cold air from the air conditioner throughout the house, causing asthma flare-ups.

Unfortunately, there is no scientific evidence that air purifiers with, for example, ionizers that use UV light that supposedly kill bacteria, are effective for allergies. Some whole-house air filtration units bring fresh air from outside to inside and filter it before distributing it to the rest of the house. Regular maintenance of air conditioning is essential for your family's health, especially for people with asthma and respiratory problems. When you think about possible asthma triggers in your home, air conditioning in your home is usually the last thing you can think of.

Just as outdoor air quality affects your health, there is increasing evidence that indoor air quality can do so too. They are designed for enclosed environments where air is cleaned before entering the room and then ventilated outside the building. Households with carpets are a reservoir of allergens; every time someone walks or vacuums the carpet, the particles fill the air. Cheri Wright, marketing director at Kaz, the company that makes Honeywell's air purifiers, said the devices clean indoor air of microscopic dust, pollen, mold spores and other particles.

When looking for an air conditioning filter or filter replacement, you should look for a filter that removes the smallest particles from the air. Normal family life with cooking, children playing and pets doesn't happen in sealed rooms, negating any additional benefits these filters may offer. Freedman from Airocide, who previously worked on Wall Street, said he was originally skeptical about the air purifier industry and “didn't want to be associated with anything that wasn't real. If you have allergies, it's worth investing your time and a small additional cost to upgrade your HVAC filter to a HEPA filter.

Robert Smisek
Robert Smisek

Total twitter nerd. Typical food trailblazer. Avid food practitioner. Unapologetic web junkie. Freelance twitter evangelist. Passionate food advocate.

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