Users can export to OpenStudio for final energy compliance modeling saving time from not having to remodel. See here for the help articles on this new feature! OpenStudio Help Articles.
When using loadmodeling.tool the full model can be exported to .gbXML allowing further integrations of the model. Model Export
We're working on an IFC to cove.tool import/export for the time being you can use BlenderBIM for IFC to cove.tool. http://help.covetool.com/en/articles/4283797-blenderbim-plugin-workflow-for-3d-mode-daylight-and-energy
For more information on interoperability see this article.