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.
Might be one of the issues they found during Thunderbolt certification. Which generation do you have? You might need a Bios update (but Framework is kinda slow releasing these).
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:
TZ00_0: 55C
TZ01_0: 42C
TZ02_0: 44C
TZ03_0: 40C
TZ04_0: 31C
What other data would be useful to troubleshoot?
As an aside, do you have a description of each thermal zone?