Attic Moisture Fan

It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air.

Attic moisture fan.

In winter the humidistat operates the attic fan when the relative humidity exceeds a preset. This ventilation process helps lower the attic air temperature and reduce humidity levels thus reducing the. This american designed fan is designed to reduce attic temperatures and remove destructive moisture thus making your home more comfortable and reducing the load on your hvac system and lowering your. Two main types of attic fan there are two devices commonly called attic fans.

An attic fan pulls hot air out of the space and draws in cooler air from outside. How is an attic fan controlled. In summer the thermostat operates the fan when the attic temperature reaches a preset level usually 90 to 95 degrees f. Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation.

The normal indoor humidity range in winter should be 15. A powered attic ventilator has a different purpose. An attic fan works by exchanging the hot air in your attic space for fresh air pulled through the vents. Simply by sealing the various possible paths of air leakage already discussed infiltration will be reduced therefore restricting the movement of air and eliminating the stack effect.

The remington solar ventilation attic fan is completely the remington solar ventilation attic fan is completely powered by free solar energy. The short answer to this very involved question and the pages of temperature and humidity level data you sent is yes there is a risk that moisture from humid air in your attic will condense on. An attic fan changes the air regularly so moisture doesn t get a chance to settle and do damage. This will help to avoid premature damage to the shingles or mold building up in moist hot.

If you raise the attic temperature the rh in both places would be the same. By adding moisture to the lower floor you increase the partial pressure of the water vapor which pushes it to areas of lower vapor pressure like the attic. After moisture penetration is controlled as best as possible the next approach to reducing attic moisture is by controlling air infiltration. Unlike a ventilation fan a whole house fan an attic mounted fan that exhausts air from a home at night is designed to cool a house that is to lower the indoor temperature.

So they equalize pretty quickly.