If you are looking for a safe and affordable study space, try Relocatable Classrooms
The 13 minute video that runs when you play the free DVD I found on iModular.com is really informative. It addresses classroom acoustics, HVAC, indoor air quality and how each of these topics can be addressed by specifying the correct heating and cooling system on your relocatable classrooms, modular buildings or
You can get this DVD by visiting www.iModular.com. It's on the home page or you can click here.