Revit MEP has ability to calculate cooling and heating loads but what if your company is using HAP. Actually that’s not issue here because Revit provides the ability for exporting data to HAP. I will show you an easy steps to do that.
A window shows concerning the XML exporting file, specify name and location then click Save.
Open HAP program, click Project at toolbar and select Import gbXML
Select the exported file from Revit and click Open
HAP will transfer all data at the exported file
HAP will ask you if you want to read the data report, if you pick up Yes, the following window appears