Home / system #116
Samsung Gen 6
Deiniolen, Gwynedd · Detached · 133 m² · Pre-1900 · 5 kW · underfloor · installed by OpenEnergyMonitor (designed)
Last 7 days
169 hourly rows · MID-class heat meter present: yes
5.09efficiency (COP) over 169 hours, from the heat meter
better than 99% of the metered fleet in January 2026
better than 99% of the metered fleet in January 2026
- Electricity used
- 92 kWh
- Heat delivered
- 467 kWh (heat meter)
- Estimate without heat meter
- flow sensor 5.13 · temperature model 4.64
- Mean outdoor temperature
- 8.6 °C · 93 space-heating hours
- Flow temperature at 0 °C outside
- 31.4 °C (curve slope -0.16 per K)
- Flow − return while heating
- 4.6 K
- House needs at −3 °C
- 4.7 kW (unit rated 5 kW) · fit r² 0.01
- Hot water
- 26% of electricity, COP 4.30
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Keep the current settings. We will alert you if efficiency drifts.
Day by day
electricity per daydaily COP3.0 floor
The installed heating curve
one heating hourfitted curve50 °C
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.