Benefits of an air purifier: Does an air purifier really work?

Many of us are spending much more time indoors than generations past. Sadly, there are many airborne pollutants within your house, including mold spores, pet dander, allergens, and VOCs. If you have struggled with cough, a runny nose or continuous headaches, your home might just be severely polluted.

Thus, many homeowners are looking for an appliance that can the air and improve their home environment. And here comes air purifiers - designed to help improve your home environment by reducing airborne particles. One key benefit of air purifier use is creating a cleaner-feeling indoor space, especially in the rooms where you spend the most time.

Air purifiers have grown in popularity in recent times. These devices promise to improve your home environment, but do air purifiers work? Read on the articles brought by Electrolux Thailand to find out myths & facts behind.

How does an air purifier operate?

An air purifier works by pulling air through one or more filters and then releasing cleaner air back into the room. A typical air purifier includes:

• A fan that draws in air and circulates it
• One or multiple filters that trap particles and pollutants as air passes through

As airborne particles move through the filter, many are captured—helping reduce the overall particle load in your indoor air over time. How much an air purifier can remove depends on the type of filter, the room size, and how long and how consistently it runs.

Most filters are made from paper, fibre (often fiberglass), or mesh materials and need regular maintenance or replacement to keep performance high.

What are air purifiers supposed to filter out?

Most filter available nowadays are designed to catch particles such as smoke, dust or pollen but they are not possible to capture gases like VOCs (volatile organic compounds) or radon that may accumulate from adhesives, paints, or cleaning products.

In addition, the effectiveness of air purifiers in real-world situations is unlikely to mimic the effectiveness of controlled conditions in the laboratory. The location, installation, flow rate and run time for all will vary, as will the conditions in the space. Moreover, there are other things happening in your home that may affect the efficiency like open or closed doors and new particles are constantly emerging, so the air might not be as filtered as expected.

What is Electrolux HEPA Filter?

HEPA means “High Efficiency Particulate Air”, but not all HEPAs are alike. There are many different types and what you should look for is the one marked as true HEPA.

Electrolux HEPA air filter can trap even very small particles (99.5% particles up to 0.1 microns small) such as pollen, mold spores, dust mites and other allergens. Additionally, it also reduces the occurrence of various allergic reactions.

It’s also important to note that bacteria and mold can accumulate on the fibers within the filter. Spores and bacteria can then be released back into the air, re-contaminating your room. To avoid this, it’s crucial that you replace filters when needed.

So, does an air purifier really help?

The short answer is “Yes”. Air purifiers can effectively reduce airborne particles, but they won’t remove every pollutant from your entire home since many particles settle on bedding, fabric furniture, and carpet. That’s why an air purifier works best as part of a broader approach, combined with cleaning routines, ventilation, and other air-quality habits.

Can an air purifier remove odors?

It depends on the filtration system. Many air purifiers are excellent at capturing particles, but odors are often caused by gases. Certain filtration technologies (often designed for odor reduction) can help reduce smells from cooking, pets, or smoke but results vary based on the odor source, room size, and airflow.

For strong or persistent odors, combine filtration with cleaning the source, ventilation, and proper humidity control.

Can an air purifier reduce allergy symptoms?

Allergens refers to generally harmless substances that that can create adverse immune responses in the form of allergies or asthma. Indoor airborne allergens can include pet dander, dust mites, pollen and mold.

Some air purifiers are effective at filtering allergens from the air. HEPA air purifiers, in particular, have been shown to be effective.

Do air purifiers work for mould?

Like allergens, indoor mold particles can become especially dangerous for people with asthma and other lung-related diseases. To some degree, air purifier can absorb moisture, but filtration is far more effective in getting rid of mould in the air.

Electrolux air purifier with a HEPA filter would work best, along with reducing humidity levels in your home.

Can an air purifier remove smoke?

Smoke is considered a big concern when it comes to indoor pollution. Filter-equipped air purifiers may also remove smoke in the air, including smoke from landscape and tobacco smoke.

Still, air purifiers can’t get rid of the smell of smoke entirely, and there may still be instances of smoke stains on walls and ceilings despite their use.

Smoking cessation is preferable over trying to filter out smoke-filled air. It even said that these devices did little to remove nicotine from indoor air.

What about indoor toxins and everyday pollutants?

Not only may your home be a source of airborne allergens and mold, but it may also be a source of indoor toxins from cleaning products, personal care products, and more.

When these particles live in the air, they can become harmful to your body. Air purifiers may also trap indoor toxins, but the best way to get rid of toxins in your home is to reduce their usage in the first place.

While air purifiers can help clean up your indoor air space, they tend to work more effectively when combined with a filter.

There’s also the size of purifier to consider. A larger system is ideal if you’re trying to get cleaner air for your entire home. Otherwise, you might need multiple smaller or portable purifiers for each room.

Can an air purifier reduce humidity?

In most cases, air purifiers are not designed to reduce humidity. Their main job is filtering particles from the air. If humidity is your main concern, a dehumidifier is typically the more appropriate solution, while an air purifier can complement it by reducing airborne allergens and particles.

Read our tips on how to use air purifier effectively.

Other tips to improve air quality in your home

Despite their potential benefits, air purifiers may be futile if you don’t take other steps to create cleaner air in your home, too.

Following below tips and tricks to prevent harmful particles from entering your indoor air space:

• Clean floors, carpets, and surfaces often.
• Ensure your space is properly ventilated
• Replace carpeting with vinyl or hardwood flooring in the case of severe allergies.
• Wash bedding in hot water once a week.
• Bathe pets often. If you’re allergic to animal dander, try to avoid sleeping with your pets.
• Make sure your home is at the right humidity so that it’s low enough to prevent dust mites and mold.
• Quit smoking inside the house.

Verdict

So, do air purifiers actually work? Yes, air purifiers can be effective at reducing many airborne pollutants and allergens, especially when used correctly and maintained well. While they won’t remove every pollutant from every surface, the benefit of air purifier technology is clear: it helps lower the concentration of airborne particles that can affect everyday comfort at home.

For best results, treat an air purifier as part of a complete indoor air strategy—regular cleaning, smart ventilation, reducing irritant sources, and managing humidity when needed.

Discover high-quality air purifiers from Electrolux Thailand: