Dry air damage does not stop there. When heated air isn't humidified, it causes walls and ceilings to crack. Wood floors and trim separate. Dry air shrinks the framing around doors and windows, resulting in gaps that let in cold air from the outside, making your home less energy efficient.

DRY AIR CAUSES MORE THAN DISCOMFORT - The American Society of Otolaryngology reports that it is important to prevent an overly dry environment because it makes people more susceptible to infection. Increasing the humidity in your home helps eliminate the dry air that can irritate and inflame the respiratory passages in the nose and throat, and can relieve the discomforts of colds and the flu.

PROTECT YOUR HOME AND ITS FURNISHINGS - When heated air is not humidified, it causes walls and ceilings to crack. Wood floors and trim separate. Dry air shrinks the framing around windows and doors resulting in gaps that let in cold air from the outside. Expensive electronics equipment can fall victim to static electric charges, requiring pricey repairs or replacement.