Attic Humidity Same As Outside

Temperature attic temperature depends on the outside temperature and it also depends if your house is insulated.

Attic humidity same as outside.

The normal indoor humidity range in winter should be 15 to. Extra heat build up under the roof deck can cause your shingles to deteriorate much faster sometimes cutting their life expectancy in half. If you have high temperatures and high humidity in your attic then you may also have a problem with mold. The main goal is to keep your attic temperature the same as the outside air temperature in the summer as well as in winter.

Recommend you invest in a monitor so you can compare outside humidity and humidity in the attic. Advani hopes to finish the attic and install a minisplit although he s not sure that will lower the humidity. Ventilation is another key factor. Attic insulation and ventilation go hand in hand.

The results are that the attic temperature is close to the outside temperature but the relative humidity is significantly higher in the attic than either the indoor or outdoor readings. Only about 10 of the hip roof is shaded so it gets plenty of direct sunlight. Attic moisture usually appears because of condensation. If you go out on a snowy day and look at the roofs in the neighborhood you can tell who has good insulation because their roofs are covered with snow.

With outside temperatures ranging between 5 f and 95 f attic temperatures range between 48 f and 92 f. Why is that important. My theory is that becuase we installed the roof on a hot july day we trapped the humidity in and it could not get out. As you can see the attic s temperature is only slightly higher than the outside temp which suggests that the vents are doing their job but the humidity is usually in the 70s.

Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation. Ventilating systems use wind and thermal convection to exchange the air in your. The concern in summer is heat. It is exhausted near the top of your roof.

They keep your home cooler in the summer warmer in the winter and free from damage caused by moisture. Warmer than the outside and you will get condensation which will ruin your insulation and eventually lead to ice dams in your outer shingling.