This free tool from Autodesk will allow you to designate your equipment families with a subcategory and then manage a group of parameters for each
Specialized Parameters
Based on the subcategory, automatically assign the pertinent parameters to your equipment families
Batch Update
Quickly configure all your equipment families with your custom parameters and prepopulated values
The BIM Interoperability Tools installer includes the Equipment Data Tool, Spatial Data Tool, Classification Manager, Model Checker, Model Checker Configurator, and COBie Extension for Revit.
The tools can be downloaded from manage.autodesk.com, or installed directly through the Autodesk Desktop App.
The BIM Interoperability Tools for Revit are free for licensed Revit users to download and use, just select your Revit version and get started.
See below for some helpful links to industry-standard classification systems that come with Classification Manager.
Whitepaper: Classification Systems and Their Use in Autodesk Revit
* Free to distribute