Home / system #419
Daikin Altherma 3
Dundee · Semi-detached · 102 m² · 2012 or newer · 6 kW · radiators · installed by The Natural Energy Company
Last 7 days
169 hourly rows · MID-class heat meter present: yes
3.23efficiency (COP) over 169 hours, from the heat meter
better than 24% of the metered fleet in January 2026
better than 24% of the metered fleet in January 2026
- Electricity used
- 60 kWh
- Heat delivered
- 195 kWh (heat meter)
- Estimate without heat meter
- flow sensor 3.20 · temperature model 3.45
- Mean outdoor temperature
- 7.4 °C · 58 space-heating hours
- Flow temperature at 0 °C outside
- 39.4 °C (curve slope 0.16 per K)
- Flow − return while heating
- 5.0 K
- House needs at −3 °C
- 1.6 kW (unit rated 6 kW) · fit r² 0.14
- Hot water
- no hot-water flag in data
infoOnly 58 space-heating hours in this window
Space-heating findings need at least 60 hours with the compressor running below 15 °C outside. Choose a winter window or come back during the heating season.
noteOwner’s note on the source site: “Negative heat not reported”
valueReaching the fleet’s January median (3.69) would have saved about £2 in this window at 0.25 GBP/kWh. An estimate, not a promise.
Day by day
electricity per daydaily COP3.0 floor
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.