how to use RL model to control an real HVAC system in a building

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HI

I don't know how to use an RL model to control a real HVAC system in a building. For example, I have got a satisfied RL model (The enviroment is Energyplus simulation model, and the RL model have been saved by pytorch model format), but how to use this model to contorl a real HVAC system in a building?

Best regards;