Description: The Roofmaster STEC Plus EC is a series of roof fans comprising of four different unit sizes. The maximum airflow is 1.7 m3/s and the maximum pressure rise is 750 Pa. The fan casing is ...

By using solar power, these attic fans can help increase ventilation and airflow without adding utility cost. Indoor air quality, reasonable energy bills, and the health of your roof depend upon ...

Powered ventilators have an electric fan inside and can move more air for a given pipe diameter ... In these areas, hoods should be installed over the vents if a large tropical storm is expected.

How to determine whether you need better attic ventilation. In the summer, good attic ventilation reduces heat buildu ...

Power vents use electric or solar-powered fans to force air out of the attic. These active roof vents are particularly ...

Installing a roof vent for proper ventilation of your attic is a relatively straightforward task, but you’ll need to collect the right tools. Below are the items you’ll absolutely need.

Some have electric vent fans, and one house has a fan powered ... This from a man whose byline was on “A Crash Course in Roof Ventilation,” a story in Fine Homebuilding magazine in 2011 ...