Keeping your home’s humidity in the 40% to 60% range could make it harder for flu viruses to spread.
Your home can feel stuffy, chilly, or perfectly “normal” even when the thermostat barely moves, and humidity is the quiet reason why. Once you understand the narrow band of moisture that keeps air ...
Relative humidity measures how much moisture is in the air compared to how much it could hold at a given temperature. It is simply the dew point temperature divided by the air temperature, times 100.
Lower outdoor humidity and heating systems cause dryer air indoors in winter. Air that's too dry can lead to dry sinuses, skin, and lips—plus warping and creaking in your home. The optimal indoor ...