The relative indoor humidity varies with seasons and also depends on the use of air conditioners and heaters.
Very high or low levels of humidity can cause discomfort to the people inside a home.
During winters the use of heaters and furnace makes the air indoors dry. Prolonged exposure to dry air makes the body feel dry and uncomfortable.
A relative humidity of about 50-80% makes the indoors ideal for anyone.
Relative humidity is the amount of moisture air holds at a given temperature. An increase or decrease in temperatures can affect the relative humidity of a room. Maintaining the relative humidity indoors has its many advantages.
Low humidity could lead to a feeling of dryness and high humidity could make you feel clammy indoors. Regulated indoor relative humidity can help make the home more appealing and allow a good night sleep.
A very high level of humidity indoors promotes the growth of dust mites, mildew, and mold causing allergic reactions and also an unhealthy home environment. On the other hand a very low relative humidity could mean a very dry skin and an irritated throat and sinuses, exposing them to infections.
A very high relative humidity could harm wood work, artifacts and books on the long run. Prolonged exposure to high humidity could mean cracked beams and even peeling plaster.
On the other hand excessive dryness could lead to cracking of thin wood panels like those of violins and guitars.
Use of humidifiers or dehumidifiers can help maintain the relative humidity indoors, protecting comfort, health and property.