Pushing these displays from the dock may be contributing to the load - would need to see system data to know for sure. If this is a concern, I’d open a ticket and share your experience to make sure everything is functioning correctly.
I just got my Framework 13 yesterday. I also have a Plugable Thunderbolt 4 dock (TBT4-UDZ). And even with the screen open, the fans are very loud with 11% cpu. I queried the ACPI Thermal zones and the temps are:
What other data would be useful to troubleshoot?
As an aside, do you have a description of each thermal zone?