What does a properly functioning turbine ventilator do?

A properly functioning turbine ventilator relies on the natural movement of outdoor wind to create a low-pressure area, which in turn promotes air exchange within the attic space. As wind passes over the ventilator, it causes the turbine to spin, which effectively draws warmer, stale air out of the attic. This process helps to ventilate the space without the need for electrical power or mechanical assistance, making it both energy efficient and effective in maintaining proper airflow.

This method of operation is especially advantageous in preventing issues like heat buildup in the attic during hot weather, promoting a cooler environment in homes. Furthermore, by facilitating air exchange, it helps in reducing moisture levels that can lead to mold growth and structural issues. It is the reliance on wind that distinguishes turbine ventilators from electrical systems or fans, which would require additional energy input to function.