Proper design of HVAC systems for spray foam homes
Lots more. Search Google AC sizing unvented attic
I depart from every aspect of spray foam. Too many considerations and too few homes to judge. Building Science Corporation | Consulting & Architecture has many articles on the topic. Humidity control is very important.
Some new schools of thought nix spraying the rafters and instead spray an inch or two on the horizontal ceiling then adding standard insulation. I think Building Science Corporation | Consulting & Architecture has a discussion on this.