Device Detection Major Update: Ecobee Historical (v29.1 iOS/v29.2 Android)

[kevin1]

In honor of this new enhancement, I decided to do a graphical view of Sense honing in on the operation of both of my AC compressors, using correlation comparisons to my upstairs and downstairs Ecobees. Initially, the detection was spotty and often conflated, but as the summer wore on, Sense started getting very accurate.

[Sense vs. Ecobee II]

Sense vs. Ecobee: Round II

Here’s a more graphical view on how Sense detections eventually hone in on the actual operation of my upstairs and downstairs compressor units as measured by the Ecobee thermostat commands. The number shown is the weekly Pearson correlation between hourly Sense detection energy usage and my upstairs and downstairs Ecobee cooling runtimes. A correlation of 1 means that there is a perfect linear correlation between energy usage and runtime. 0 means no correlation and a negative number means negat…