Is historical data lost after a full reset?

Doing some troubleshooting and the last step is to do a full reset of the ecobee.

Will my beestat historical data be lost afterwards? If so, is there a way to restore it?

Resetting the ecobee will not delete any data from beestat. If, for some reason, you find yourself in that situation, just let me know and I can take care of it.