Dry air in your home can make your throat feel dry and cause or aggravate respiratory ailments.
The American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) recommends that you maintain a household humidity level between 30 and 60 percent. During extremely cold weather, your home loses humidity to the outdoors and the level may drop to as low as 10 percent. A humidifier adds moisture to your indoor air and can help relieve ailments related to dry respiratory membranes.
One of the major causes of respiratory infections is inadequate humidity during cold weather. The start of the heating season each fall causes many people to begin having repeated attacks of winter colds. Winter weather is blamed for these problems, but the actual cause may be dryness, which develops in the membranes of the nose, throat and bronchial tubes. Relative humidity also has a significant effect on controlling the occurrence of airborne infections.
Dry air can cause more than health problems. Static electricity is a direct result of very dry air. And houseplants can suffer from “winter drought” caused by low humidity levels. A humidifier can help keep the indoor air comfortably moist, despite conditions of low outdoor humidity.
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