Marking data for before and after system changes

[Timbones (Tim)]

You can mention the details and date of the changes in the Additional Notes field.

For before vs. after comparisons, have a look at this topic:

HeatpumpMonitor.org Tips: Comparing a system to itself

On HeatpumpMonitor, you can compare data from two or more systems. You can also compare a system to itself, across different dates by unticking the “Match dates”. This could be useful to assess the impact improvements that have been made. For example, I’ve compared my system (#1) over the last 3 months (red) against the same period in the previous year (blue), having switched out the room thermostat I was using: [image] [image] To my eye, the system appears to be running better this winte…