You must adjust the humidity down as the outside temperature falls to avoid indoor "rain" on your windows and elsewhere you may not see. Use this relative humidity chart to keep comfortable as the temperature changes.
www.askthebuilder.com/B103_Humidity_Settings_vs_Tempera... www.askthebuilder.com/B103_Humidity_Settings_vs_Temperature_Indoor-Outdoor_Humidity_Tables.shtml
If you have an indoor humidity or condensation problem, I recommend that you purchase an inexpensive hygrometer. Take readings in the same room(s) at the same spot each day at the same time. Start to chart your readings.
www.askthebuilder.com/B157_Hygrometers_-_Controlling_In... www.askthebuilder.com/B157_Hygrometers_-_Controlling_Indoor_Humidity.shtml
This chart shows the humidity levels at which the listed microbes and health problems are likely to flourish. As the width of the bar increases, indoor air quality diminishes and potential health problems increase.
www.gasairconditioning.org/relative_humidity_chart.htm www.gasairconditioning.org/relative_humidity_chart.htm
This chart helps you determine your home's relative humidity. For example, when the outdoor temperature is 10 degrees above 0, and outdoor relative humidity is 70 percent, a home heated to 72 degrees has an indoor humidity level of only 6 percent-- much drier than the 25 percent relative humidity of the Sahara Desert!
www.e-humidifiers.com/html/relative_humidity_chart.html www.e-humidifiers.com/html/relative_humidity_chart.html
Desirable Humidity Levels | How to Gauge Indoor Humidity | Steps to Lower Humidity in your Home | The Indoor Environment | Sources of Pollution | How to Improve the Indoor Environment | Minnegasco Fact Sheets;
www.blueflame.org/datasheets/humidity.html www.blueflame.org/datasheets/humidity.html
However, experts have developed rules of thumb to help homeowners make decisions regarding humidity levels in their houses: •The recommended indoor RH is 30% - 50% ; •When the outdoor temperature is below -10C, the recommended indoor RH is 30%. ... Indoor Humidity: What amount is just right?
www.supremewindows.com/indhum.htm
Indoor Relative Humidity Reminders; ... Dehumidifiers Comparison Chart - a comparison with pluses and minuses of all the best Dehumidifiers ... I have an interest in solutions to illnesses which may have a common origin in the simple condition of high indoor relative humidity.
www.allergyconsumerreview.com/relative-humidity.html www.allergyconsumerreview.com/relative-humidity.html
Outdoor/Indoor Relative Humidity Conversion Chart ... The lower the outside temperature, the lower indoor humidity needs to be to prevent condensation. Single-pane windows will have a much bigger problem with condensation than double-pane windows will. Condensation from windows or walls can cause damage and promote mold,
www.wico.net/~tslaughter/equip/humidity.html www.wico.net/~tslaughter/equip/humidity.html
Keep in mind that high indoor humidity with very low outdoor temperatures can cause condensation harmful to the home. Icing on windows and sills indicates excessive indoor humidity. ... This chart shows recommended maximum humidity to maintain at lower outdoor temperatures.
www.sciencecompany.com/barometric/hygrometers.htm