Attic Fan Vs Whole House Fan

The whole house fan would pull cooler air from the house into the attic which would then be pulled from the attic to the outside by the attic fan cooling the house even further.

Attic fan vs whole house fan.

Definitions of whole house fan vs. Attic fan vary by region causing some confusion. The fan s will draw air from open windows and doors. 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.

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. A whole house fan doesn t just push hot air out of the attic it draws it out of the entire house. A whole house fan is mounted in the ceiling between the living space and that attic. Whole house fans have the most savings but you can save even more by using an attic fan and a whole house fan together.

It is used to suck warm air out of the living space up into the attic. A quiet cool whole house fan is installed in the attic along with ceiling mounted grilles. At first glance it seems that whole house fans are similar to attic fans but the function is different. A gable attic fan is mounted to one of the gable walls in the attic.

In a nutshell whole house fans are designed to run after sundown using cool night air to ventilate and cool your entire living space. 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. Unlike the whole house fan which is expensive and difficult to install an attic fan is easy to install and less way cheap.