Radiant floor slab

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Project I am working on is an existing building with a level in which the perimeter zone extends out from the level below. The concrete slab has electric heat tracing cable embedded in this perimeter area to avoid thermal loss through the slab during the winter period. I know I can assign a temperature profile to the specific area to inspect how the space would react to the temperature conditions but is there an way to model the energy use of the heating cable in the systems dialog or am I going to need to do this calculation manually by hand? Or if anyone knows of another software that is capable of producing the results.

Thanks in advance for any suggestions, -Jackson