Attic Humidity Level

According to the environmental protection agency epa indoor humidity levels should be kept below 60 percent relative humidity and ideally between 30 and 50 percent.

Attic humidity level.

What stands out is the high relative humidity inside the house. The recommended humidity level for all rooms including the attic and crawl space in the winter is 30 to 40 percent in cold climates. Cold outdoor temperatures especially below freezing can wear on your furnace. The humidity in the basement measured 40 the first floor was 45 50 but the attic was 62.

It could be that despite having done what. It s easy to measure the levels in your home by using a hygrometer. Hot summer weather poses the opposite problem for maintaining recommended attic temperatures. If there is excessive moisture accumulation in your attic it will condense on cold areas mainly on the underside of your roof deck.

Fortunately while you can t change the outdoor humidity there are a number of steps you can take to control humidity levels in your house which should ideally be between 30 percent and 50. Only about 10 of the hip roof is shaded so it gets plenty of direct sunlight. A hygrometer is a small gadget that measures the relative humidity level and temperature quickly and easily. The moisture was rising with the warm air of the home as it escaped past the insulation and it was trapped in the attic because there was no roof ventilation.

You can check the humidity level by observing the windows and the objects in the attic. Proper ventilation will help maintaining a constant temperature in your attic. During the winter months the recommended relative humidity inside a house is anywhere between 30 50 percent. At 48 52 you re at the upper tier of the recommended 35 50 during heating season.

High humidity means greater chances for mold to grow. Quelch the heat wave. Advani hopes to finish the attic and install a minisplit although he s not sure that will lower the humidity.