Is your indoor humidity too low? For most of us, we'd probably just guess that it is this time of year. Before I give away my little trick, let's learn more about why indoor humidity is typically low in the winter season.
Say the temperature outside is 15° with a relative humidity of 75%. Once this air is moved indoors and heated to 70°, the humidity in the air drops considerably to 10%. This means you must humidify the air in your homes and businesses this time of year in order to make your surroundings more comfortable. In some instances just having a few houseplants or boiling a pot of water will add enough moisture to the air.
If you have a furnace that is keeping you warm, you've definitely got dry air.
If you have a boiler-heating system in your home, your indoor humidity is much higher because the heating process doesn't blow dry air into the home.
-Meteorologist Eric Sorensen
