What is normal relative humidity for a house

The humidity level in your home should stay between 30 percent to 50 percent, says richard ciresi, the franchise owner with aire serv, a neighborly company.The humidity in your home should average between 35% and 50%.Use our relative humidity charts to find the proper humidity level in your house.Humidity levels vary seasonally based on the heat and humidity outside, so your basement will be on the higher end of the spectrum in the summer and the lower end in the winter.Is 65 humidity too high in a house?

Because of this, homeowners must work to adjust those levels back to the ideal humidity level between 30 and 50 percent or risk mold, mildew and bacteria buildup.You want your home's humidity to be between 30 percent and 50 percent, according to bobvila.com.But, again, adjust this to match your comfort levels.Plants growing in a greenhouse or glasshouse can reach above 80%.In winter, relative humidity levels should be between 30% and 40%.

Too much moisture is also bad.The optimum relative humidity level is generally considered to be between 40% and 50%.In summer, indoor humidity levels can comfortably reach 50% to 55%.When the humidity level goes beyond 55 it is considered a high humidity.If your home or any part of it has a humidity reading of over 50 percent, consider installing or running a dehumidifier, he says.

According to energy star the ideal indoor relative humidity should be between 30 and 50 percentanything higher than 50 percent is considered high.Professionals recommend 30% to 60% humidity.