Keeping Cool in the Garage - Without an Air Conditioner

We designed our barndominium with garage doors facing north and south so we could have passive cooling in the garage too.  With the doors on each side open, we can catch a breeze on days with even a slight wind.  But with cattle and ponds nearby, flies and mosquitoes were a problem.  We even had barn swallows fly in and not want to leave.  So I built six screened frames, three tall ones and three short ones.  They fit in the garage door tracks, and simple latches keep them together.  When the garage door is pulled down, they are stable.  While not completely sealed, very few insects get in.  Problem solved.  And the cat likes them too.