Keeping a home cooled below outside dew points can also cause condensation of moisture in the insulation while outside dew points are high. Best to not overcool homes while outside dew points are +70^F. Should dryout during cold weather and heating.
Originally Posted by clllclal
Attaching data from a SW FL home with a/c-dehumidification-fresh air ventilation for 2 weeks, followed by cool dry weather without a/c or dehumidification. Observe the lower inside dew point while the outside dew points are high. During not dehu or a/c, the inside dew point follows the outside dew point. Additional fresh dry air ventilation reduces the humidification effect from the occupants. Fresh air ventilation and dehumidification are important for air tight well insulated homes.
Attaching PDF file. Click on the pdf to veiw.
Cape Coral FL Home Jan 2013.pdf
Bear Rules: Keep our home <50% RH summer, controls mites/mold and very comfortable.
Provide 60-100 cfm of fresh air when occupied to purge indoor pollutants and keep window dry during cold weather. T-stat setup/setback +8 hrs. saves energy
Use +Merv 10 air filter. -Don't forget the "Golden Rule"