[Project] AC Energy Comparison - [Removed]

[kevin1]

3900 sq feet, two central HVAC AC compressors in NorCal, SEER 18. 3 ton comes in at about 2.1kW, 4 ton at 3kW.

Sense vs. Ecobee: Round II

Put differently, if I look at my results from Sept. 1, and onward, where Sense correlation with my Ecobee is relatively good, I can compute each AC units’ estimated hourly power usage by dividing hourly energy from Sense for AC2 and AC3 devices by the corresponding Ecobee runtimes (in hours). If I look at the distribution of results, I see very reasonable answers for each unit. My upstairs 3 ton compressor uses about 2.1kW [Upstairs%20Hist] My downstairs 4 ton compressor comes in at about 3…