13 Ways to Allergy-Proof Your Home

Just be aware that they have limitations. "They'll capture airborne allergens but can't trap anything that's settled in rugs or furniture, which is where most allergens end up," says Ross. Still, they can be effective, particularly if you're bothered by pollen. Make sure the one you buy doesn't produce ozone, a gas that's extremely irritating to people with allergies—the last thing you need right now.