Theoretically, I'd think you could just wrap most of the central compartment(s) with a (permanent/sealed/static) vacuum chamber--like a big thermos. http://www

Theoretically, I'd think you could just wrap most of the central compartment(s) with a (permanent/sealed/static) vacuum chamber--like a big thermos. http://www.greenbuildingadvisor.com/blogs/dept/energy-solutions/does-vacuum-insulation-make-sense http://www.greenbuildingadvisor.com/blogs/dept/energy-soluti...