A 40-year-liveaboard couple talk about their methods of keeping fresh air flowing through the boat in hot and cold weather.
A couple who have completed at 10,000-mile tour of the Pacific on a 31-foot cutter talk about what equipment they chose and how it worked, including some good and bad fans.
A Sabre 34 owner finds fans with low electrical draw and installs them in the forepeak, over each settee and on a teak block with a portable cigarette lighter plug.
Wooden boats have their own ventilation needs. Here's a widely-supported set of forums on building/repair, designs/plans, people and places, venders and other wooden-boat topics. There is a lot of advice here, and the chance to ask your own questions. You can also search the back issues index by keyword, then order the issue or find it in your library.
Grab bag of facts and commentary to help decide on and maintain solar vent fans. Contains excerpts from hard-to-find bulletin board and newsgroup postings, as well as links to useful sites and vendor pages.