Temperature attic temperature depends on the outside temperature and it also depends if your house is insulated.
Humidity in attic problem.
One of the most common problems that homeowners run into is high humidity levels.
This problem does not stay in the attic but often eventually spreads to the rest of the house.
Attic moisture usually appears because of condensation.
During the spring summer and fall relative humidity rh in a spray foamed attic often exceeds the comfort threshold of 60.
You can use a hygrometer to test humidity levels or if you notice mold on material in the attic this is a good sign that humidity levels are too high.
With outside temperatures ranging between 5 f and 95 f attic temperatures range between 48 f and 92 f.
Only about 10 of the hip roof is shaded so it gets plenty of direct sunlight.
The normal indoor humidity range in winter should be 15.
Because of the relatively moderate temperature in these areas moisture can go unnoticed and may not cause any problems there.
Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation.
To wrap it up if you have problems with high humidity in your attic purchasing a dehumidifier is a good idea but you should also try to figure out the root cause of the problem.
When it exceeds that threshold by too much and for too long you could experience problems like mold growth.
If your customers find that their attic is feeling a little humid especially during the warmer months of the year then it s probably time for them to explore some solutions.
You can do that by directly conditioning the attic with supply air by blowing conditioned air from the house into the attic by exhausting air from the attic to outdoors or by using a dehumidifier.
This condition occurs when hot humid ocean breezes blows into the attic via soffit vents and causes humidity in the attic to rise and attic ductwork to reach dew point.
Bathroom fan venting into the attic.
Ventilation is another key factor.
If you ve got a spray foamed attic and you ve got high humidity here s how to fix it for good.
If the problem is caused by a humidifier moisture can be reduced by adjusting the humidistat control disabling the humidifier or repairing the humidifier.
It wouldn t solve the problem of high humidity in the attic though.
If you have high temperatures and high humidity in your attic then you may also have a problem with mold.
As the moisture migrates upwards to the colder attic areas during the winter months the relative humidity is increased to the point that condensation can occur on cold surfaces.
For an attic to be comfortable its relative humidity should measure no more than 60.
