Humidifier vs. Purifier: We Asked Medical Experts Which Is Better for Allergies

While spring has come and gone, your allergies might still be lingering. So, you should make your environment as healthy and safe as possible. There are a few home tech gadgets to consider when trying to protect yourself from indoor allergies. CNET experts spoke to allergy and medical professionals, and they both say an air purifier or humidifier can be effective. Humidifiers, though, if used improperly, can cause more harm than good. "If there is too much humidity in a room, it can promote the growth of dust mites and mold," said Brian Greenberg, an allergist, immunologist and scientific advisor to 1MD Nutrition .

"Air purifiers filter the air of allergens, so they are more effective at reducing and preventing allergy symptoms," says Dr. Purvi Parikh, an allergist with Aller