Protecting Your Hearing Aids against Heat, Humidity, and Water Damage Throughout the year weather can be a risk to your hearing aids. Whether hanging out at the pool or beach, playing sports, or exploring a new place on vacation, the heat — and sweat caused by it — can be a problem. But there are ways to protect your hearing aids from the three H’s: heat, humidity, and H2O. Learn how you can keep your hearing aids safe in hot weather. Pr...