A digital avatar may be used to represent, track, and/or monitor behavior of a tool (e.g., a downhole tool) to track particular tools based on specific characteristics of the tool. For instance, a thermal digital avatar may be used to track or predict thermal generation for particular job durations or power levels based on physical characteristics of the tool. For example, the thermal digital avatar may be used to predict thermal generation based at least in part on a thermal efficiency that is based at least in part on the age of the tool, changes or imperfections in heatsinks, results of after-manufacture thermal testing, or a combination thereof.