Indoor Humidity Chart

Indoor Humidity Chart. Most indoor air quality experts agree that the ideal indoor humidity in a house is 30% to 50% relative humidity. This is much higher than the average humidity levels in most homes, especially during the winter months, where the air tends to get dried out due to efforts to heat the air with furnaces and fireplaces.

Winter indoor home humidity and your comfort Sensi US from sensi.emerson.com

Avoiding condensation within a tight home is not easy, however. This is much higher than the average humidity levels in most homes, especially during the winter months, where the air tends to get dried out due to efforts to heat the air with furnaces and fireplaces. If you have sweating windows, door or ceilings, your indoor humidity levels are too high.