Butterfly node will not run after 2018. I know it’s a problem with the Revit package install address.
Is there any development on that issue?
Or does anyone know if there are other CFD nodes out there?
I know some (all?) of the tools can be made to work without too much effort (a team proved this in a hackathon I attended after the tools was EOL’d), but the full suite is likely a bigger lift.
To back up @ksb, you are far better off trying Rhino/Grasshopper and Rhino Inside. It is another tool to learn and potentially pay for, but this is the ‘true’ version of Ladybug tools and is far superior to anything we could ever achieve in Dynamo with the tools that are now essentially obsolete. I’ve wasted a lot of time in the past trying to run environmental studies in Revit just using Dynamo, and you’ll save a lot of time and money, as well as get better results from Grasshopper’s version.