Together with the intake vents, the following types of exhaust vents ... Add a solar attic fan. By using solar power, these attic fans can help increase ventilation and airflow without adding ...

Air Handling Units / HVAC Air Handling Units and HVAC (Heating, Ventilating and Air Conditioning) systems incorporate fans, such as plenum fans and duct fans, to move air in buildings and enclosed ...

Powered ventilators have an electric fan inside ... on a roof curb. A roof curb is a rectangular extension piece that goes through the roof into the building and connects with the rectangular exhaust ...

powered exhaust vents, like this solar-powered vent from EcoHouse, feature an electric- or solar-powered fan that pulls air out of the attic. A standard powered exhaust vent turns on when the ...