Mind the Indoor Humidity: The Effects of Dry Air in the Body


HeatingHumidity is an important environmental factor that plays a role in comfort and health. The lack or excess of it explains why some people are more prone to allergies and diseases for no apparent reason.

Different locations and climates require varying levels of indoor humidity. Various home appliances such as humidifiers, heaters and air conditioners are all useful in regulating home humidity and makes heating and AC installation Salt Lake City a rudimentary service for new homes.

While the general tendency of homeowners is to turn relative humidity levels below 35 percent to achieve a cooler atmosphere, this presents various health and comfort risks:

Skin Itch and Irritation

The skin cools itself in warm weather through perspiration. Humidity can affect this cooling process. The body feels increasingly colder as the air becomes drier because of perspiration. Extremely low humidity is uncomfortable and may cause skin irritation.


At a very low humidity, breathing dry air is potentially hazardous to the health, causing respiratory illnesses such as bronchitis, sinusitis and asthma. Since the body must stay hydrated in dry humidity, the body fluids tend to deplete. This can be highly dangerous for people suffering from diabetes and other ailments that depend on the proper amount of moisture for comfort.

Inflamed Respiratory Organs

Low humidity not only makes the skin and eyes itchy and dry, it also irritates the throat and sinuses. Prolonged exposure to dry air can inflame the mucous membrane lining of the respiratory tract, leading to increased risk of catching flu and colds. In connection, extreme levels of humidity also allow the survival of viruses. Flu viruses are inactivated in high humidity and survive longer and easily propagate in low humidity making flu easier to catch in winter and colder climates.

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Stronger Static Electricity Shock

Low air moisture also causes mild shocks from static electricity, which is ever present because the air carries a certain amount of water, an electrically conductive element. During dryer humidity, the static electricity builds up until it becomes noticeable. The result is when one touches a metal doorknob, another conductor, the static electricity zaps the skin.

Proper regulation and daily monitoring of humidity at home can help change irritating mornings. The importance of humidifiers and cooling devices become more important when health is at stake.