Sefaira is a relatively new kid on the block in the Building Performance Analysis field. It looks like that speed of calculation is one of the differentiators here compared to similar tools.

What I find exciting is that they will have a webcast showcasing their new integration with my favorite design tool Revit on Wednesday December 11, 2013.

Here is the link if you still want to sign up too:

Below you see some presentations and webcasts that I was looking at to understand Sefaira’s capabilities a bit better.