Attic Fan Vs Whole House Fan

Whole house fans have the most savings but you can save even more by using an attic fan and a whole house fan together.

Attic fan vs whole house fan.

How does it work. A quiet cool whole house fan is installed in the attic along with ceiling mounted grilles. Attic fan vary by region causing some confusion. While attic fans meet their goal of cooling attic air in any high temperature climate whole house fans are of more use in lower humidity climates with hot days and cool nights.

The fan s will draw air from open windows and doors. The results are far more effective than the simple attic fan. The fan is used to remove hot air from the attic space in order to limit heat transfer to the living space below. At first glance it seems that whole house fans are similar to attic fans but the function is different.

Definitions of whole house fan vs. A whole house fan is mounted in the ceiling between the living space and that attic. Attic fans are designed to run on hot sunny days to clear super heated air from your attic. It is used to suck warm air out of the living space up into the attic.

Unlike the whole house fan which is expensive and difficult to install an attic fan is easy to install and less way cheap. In a nutshell whole house fans are designed to run after sundown using cool night air to ventilate and cool your entire living space. A gable attic fan is mounted to one of the gable walls in the attic. During summer the temperatures can rise over 160 degrees an attic fan lowers the heat in the attic fast with less energy compared to an air conditioner.