If you are considering a solar attic fan,. Fresh air is pulled in from your soffits and/or roof vent, creating a draft through your attic. Are Power Attic Ventilators Smart To Use There are a lot of applications for a solar fan that is still gaining the consumer’s confidence. Does attic fans really work . Are attic fans worth installing to keep your attic cool? Attic fans expel super hot air from the attic and suck in cooler outdoor air instead. But wait there is more to it than just installing a fan. The air inside has been. Using the simple physics principle of air circulation, it can draw in cool air while letting out the. This is basically how air naturally moves: The benefits of an attic fan aren’t always obvious. Attic fans really work because their design and purpose are crucial to the temperature of any home. How does an attic fan work? As discussed before, they do not directly push air into the house and instead push cool air into the attic. This...