I am no carpenter, nor have I ever claimed to be, but this is not going to be a fun task for me. It is not only the carpentry aspect that has me thinking, but it is the environment that I will be working in. If you take a look at the last picture, that is how I have to travel through this warren of pain (I have to go through 8 of those rafters). I have to walk hunched-over and make sure I stay on the small 2 x 4 that the construction workers were kind enough to leave behind. To add a little more to this fun-fest, the temperature is a good 30° higher in the attic. Today it was only 84° outside, but it was well over 105° in the attic. Too much fun. Anyway, I will need to paint the shutters to match the house and then figure out how I am going to cut the hole in a perfectly good gable.
Once the fan is installed, I will than have to wire it. I was planning on just direct-wiring it (with no switch), but have now decided that I would like to have a little more control, so I will be installing a master on/off switch. In addition, I will also be installing a thermostat override switch. This will allow me to activate the fan during the winter time (I don't have the $90.00 for the humidistat). This, of course, requires running 3 wires and a ground (14/3), instead of just 2 wires and a ground (14/2). Naturally, the Romex I have is 14/2...go figure.
Broan-NuTone 353 1140 Cfm Gable-Mounted Powered Attic Ventilators
This is a picture of the attic fan I purchased (plywood was purchased at Home Depot).