Putting in a gable fan for your home can drastically reduce the amount of ambient heat in your attic. In turn, this can actually save money in electricity during the summer months by reducing the amount of energy used to keep your house cool. There are actually discussions between which is more efficient, the gable fan or the roof fan. Both have their own pros and cons and are all dependent of
. the homeowner's budget, the desired energy source to operate the fan and the amount of effort to install either. These fans come in many sized based on the amount of square feet that is of need of cooling. In addition, if there is not an existing gable vent, the cost to install a gable fan may out way the benefits at which time a roof fan maybe considered. Here is a link with more details related to the difference as well as additional links to other solutions for the attic: http://www.doityourself.com/stry/gable-fan-vs-roof-fan-which-is-more-efficient
