You can find HEPA filters in most air purifiers. These are small, portable units that may work for a single room. If you are considering buying a HEPA filter, find out how much air that the filter can clean. Be sure you buy one that is big enough for the room where you plan to use it.
The best room for a unit is the one where you spend most of your time — usually your bedroom. You can find HEPA filters in most home improvement stores or online marketplaces.
Some vacuum cleaners have HEPA filters that trap more dust from their exhaust. HEPA-equipped vacuums throw less dirt and fewer microscopic dust mites back into the room as you vacuum. Some people say allergy symptoms improve after using these vacuums.
Using a HEPA filter in your home can remove most airborne particles that might make allergies worse. But the particles suspended in air are not the only ones in your home. There are far more in your rugs, bedding, and drapes, and resting on countertops and tabletops. So it’s important to keep these areas clean. It’s also important, when possible, to get rid of the source of allergens and irritants. For example, the only effective way to keep tobacco smoke out of your home is to not smoke.
These filters can be part of a plan to remove irritating particles from your home. Other parts of that strategy should be to: