Lately, ventilation fans also are marketed toward use in more rooms than just your bathroom. The attic is the latest space for which products are being promoted, but it’s a venture that’s borne out of marketing. Broan made a ventilation fan that’s geared specifically toward use in the attic when it introduced a solar-powered model in February 2012. (At press time, we learned that Broan plans to replace that ventilation fan with a new version sometime in 2013, but it wouldn’t disclose further details. Stay tuned