I was very surprised when I discovered that the Heating and Cooling Loads analyses tools were missing from Revit. I am not sure whether this signals an intention by Autodesk to retire the capability and to cede it to a 3rd party?
It is not that difficult in Revit 2024 to switch the tool on again. You need to do so by adding two lines of code to the Revit.ini configuration file.
If you installed Revit and you have not yet run .exe. file, you can find the file here:
C:\ProgramData\Autodesk\<product and release>\UserDataCache\Revit.ini
Otherwise, find the file here:
C:\Users\<username>\AppData\Roaming\Autodesk\Revit\<product name and release>\ Revit.ini
The two lines of code you need to add is the following:
“
EnableHeatingAndCoolingLoads=1
EnableWeatherInLocation=1
“
Once you locate the Revit.ini file open it with Notepad.
Search for [Misc]. Just below that insert the two lines of code. Save.
When you next open the Revit application the Heating and Cooling Loads tool will be there again.
The RIPPLE tools are also available for free. They have a particularly useful website to explain to the uninitiated exactly how to go about performing the analysis.
I will be investigating Revit MEP in more detail in the months to come and hope to understand why the Heating and cooling loads analysis has been removed from the default interface. It would be a pity if one is relegated to understanding the airflow per space from 3rd party applications in future.
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