Can Humidity Levels Be Too Low?
We often hear about controlling humidity in terms of too much humidity. We hear lots about strategies to keep humidity levels low.
But can the humidity level get too low?
Yes. If the relative humidity in the home gets too low, occupants will suffer problems with their air quality and comfort.
Some common problems associated with low humidity levels include:
- Static electricity
- Damaged furniture
- Dry itchy skin and skin disorders
- Sore throats
- Nose irritation or bleeding
- Spread germs
- Viruses
- Bacteria
- Respiratory infections
- Uncomfortable living conditions
In very dry environments the mucous membranes in the nose and throat dry out, which not only increases discomfort but it also leaves the person more susceptible to colds and respiratory illness. Studies show that staphylococcus, and streptococcus germs die up to 20 times faster at relative humidity’s between 45% and 55% RH, than above 70% or below 20% RH.
In addition to the health concerns, body moisture evaporates so quickly in dry conditions that the body feels “chilled” even at higher thermostat settings.
Recommended Range of Relative Humidity in the Home
It is commonly recommended that – under most conditions – the humidity levels be kept between 35% - 50% for the best mix of comfort and improved air quality.
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