745 hourly rows · MID-class heat meter present: yes
4.45efficiency (COP) over 745 hours, from the heat meter better than 92% of the metered fleet in January 2026
Electricity used
1106 kWh
Heat delivered
4917 kWh (heat meter)
Estimate without heat meter
flow sensor 4.50 · temperature model 3.94
Mean outdoor temperature
7.0 °C · 632 space-heating hours · cooling 1 kWh removed (1 kWh electricity), kept out of the COP
Flow temperature at 0 °C outside
37.1 °C (curve slope -0.56 per K)
Flow − return while heating
4.2 K
House needs at −3 °C
8.9 kW (unit rated 16 kW) · fit r² 0.18
Hot water
18% of electricity, COP 3.89
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Day by day
electricity per daydaily COP3.0 floor
Daily COP needs a heat meter; days without one show electricity only.
The installed heating curve
one heating hourfitted curve50 °C
Each point is one hour of space heating. Lower and flatter is cheaper; well-set radiator systems sit around 35–42 °C at 0 °C outside.
Public system published by its owner on HeatpumpMonitor.org. Cycling (starts per hour) comes from the site’s 365-day statistic. Findings use installer rules of thumb; see methodology.