Sep Attic -ventilation fans are also available with humidistats as well as thermostats. A humidistat-equipped fan is a good choice for controlling excess.
Sep Do-It-Yourself Attic Fan Installation Instructions. To save time, use an existing roof or gable vent to install your new attic fan.
Mar Nail the plywood into the studs on each side of the gable vent.
When you position the plywood and fan over the vent, the back of the fan should be. The cost of attic fan replacement is typically about $6when you hire a professional. Replacement is necessary if the major elements of the fan fails. Depending on the condition and accessibility of your attic, most attic fans can be installed within a few hours.