Will More Insulation In Attic Lower Humidity In House

This can affect your home s structural integrity.

Will more insulation in attic lower humidity in house. Put a dehumidifier up there plug it in set it between 50 and 60 rh and forget about it. What should the relative humidity be in a house attic. During the hot summer months heat enters into the attic space through the roof and increases the attic temperature significantly. If that number is lower you should add more insulation.

After from sealing things up and fixing your pressure balance this is usually the best solution to high humidity in a spray foamed attic. Air leaks in the lower part of the house in the basement for example allow outside air with low humidity to get into the house. Similarly by improving your insulation you can help to improve the levels of humidity in your home. Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation.

Moisture control is an important issue when you think about the insulation in your home. Advani is adding moisture to the air with a humidifier and that hot air rises finding ways of getting into the attic sullivan says. Ok it s a little more complicated than that. On the vapor barrier the insulation should be labeled at least an r 30.

This is because insulation that has become wet does not function as well as dry insulation. Cracking a window while you re showering or cooking or installing exhaust fans can greatly help lower humidity in the bathroom and kitchen. See ventilate your home for ideas to improve air circulation in your house. Attic temperatures can easily reach 150 degrees fahrenheit in some instances.

A separate dehumidifier is usually the best fix. The problem is that with more insulation your have much less heat gain thus your ac runs less. Since the ac runs less it removes less moisture from the air thus the high humidity. We recently had our entire roof including the wood sheathing replaced due to damage caused by condensation in the attic.

The ac dehumidifer combined will still cost much less to operate than the house before insulation upgrades. If the attic has blown in cellulose check to see if there is a vapor barrier and confirm the cellulose insulation is spread evenly throughout the attic floor. Poor ventilation in an attic can result in condensation promoting mold growth in the framing elements of the house. Attic fans and vents can help keep the area dry.

The normal indoor humidity range in winter should be 15. Excess heat and humidity in the house come hand in hand and the main culprit in this case is the attic.