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Home / system #571

Ecoforest ecoGEO+ B2 1-9

Ballyliffin, Co. Donegal, Ireland · Detached · 224 m² · 2012 or newer · 11 kW · underfloor · installed by EHP Renewables

Last 30 daysLast 7 days5 Jan – 4 Feb 2026 (winter reference)1–31 Dec 2025

5 Jan – 4 Feb 2026 (winter reference)

721 hourly rows · MID-class heat meter present: yes
4.69efficiency (COP) over 721 hours, from the heat meter
better than 95% of the metered fleet in January 2026
Electricity used
387 kWh
Heat delivered
1816 kWh (heat meter)
Estimate without heat meter
flow sensor 3.95 · temperature model 4.35
Mean outdoor temperature
4.8 °C · 361 space-heating hours
Flow temperature at 0 °C outside
30.7 °C (curve slope -0.13 per K)
Flow − return while heating
4.7 K
House needs at −3 °C
3.9 kW (unit rated 11 kW) · fit r² 0.00
Hot water
27% of electricity, COP 4.16
infoUnit is rated 11 kW but the house needs about 3.9 kW at −3 °C
Oversizing causes cycling in mild weather. Cannot be fixed cheaply now, but the curve and minimum run time can limit the damage.

Day by day

electricity per daydaily COP3.0 floor
electricity, kWh per day09182026-01-05: 15.4 kWh, outside -0.7 °C2026-01-06: 15.4 kWh, outside 3 °C2026-01-07: 17.5 kWh, outside 3.3 °C2026-01-08: 13.6 kWh, outside 1.6 °C2026-01-09: 15 kWh, outside 1.5 °C2026-01-10: 15.2 kWh, outside 1.3 °C2026-01-11: 10.1 kWh, outside 9.1 °C2026-01-12: 12.6 kWh, outside 7.3 °C2026-01-13: 14.7 kWh, outside 4 °C2026-01-14: 15.2 kWh, outside 4 °C2026-01-15: 15.7 kWh, outside 3.9 °C2026-01-16: 13.7 kWh, outside 4.3 °C2026-01-17: 10.2 kWh, outside 4.6 °C2026-01-18: 13 kWh, outside 4.9 °C2026-01-19: 10.8 kWh, outside 5.8 °C2026-01-20: 12.9 kWh, outside 5.4 °C2026-01-21: 11.8 kWh, outside 6 °C2026-01-22: 6.8 kWh, outside 7.3 °C2026-01-23: 13 kWh, outside 6 °C2026-01-24: 11.4 kWh, outside 6.5 °C2026-01-25: 12.9 kWh, outside 6.6 °C2026-01-26: 11.5 kWh, outside 5.9 °C2026-01-27: 14 kWh, outside 5.7 °C2026-01-28: 9.3 kWh, outside 5.9 °C2026-01-29: 11.7 kWh, outside 5.6 °C2026-01-30: 13.1 kWh, outside 5.4 °C2026-01-31: 12.4 kWh, outside 5.4 °C2026-02-01: 12.5 kWh, outside 4.9 °C2026-02-02: 12.3 kWh, outside 4.1 °C2026-02-03: 14.1 kWh, outside 4.5 °C2026-02-04: 0 kWh, outside 3 °Cdaily COP (heat ÷ electricity)1352026-01-05: COP 4.722026-01-06: COP 4.662026-01-07: COP 4.642026-01-08: COP 4.332026-01-09: COP 4.672026-01-10: COP 4.632026-01-11: COP 4.192026-01-12: COP 4.662026-01-13: COP 4.852026-01-14: COP 4.452026-01-15: COP 4.882026-01-16: COP 4.432026-01-17: COP 4.552026-01-18: COP 4.542026-01-19: COP 4.952026-01-20: COP 4.922026-01-21: COP 4.782026-01-22: COP 5.012026-01-23: COP 4.772026-01-24: COP 4.752026-01-25: COP 4.442026-01-26: COP 4.962026-01-27: COP 4.682026-01-28: COP 4.662026-01-29: COP 4.752026-01-30: COP 4.932026-01-31: COP 4.812026-02-01: COP 4.372026-02-02: COP 4.882026-02-03: COP 4.8601-0501-0901-1301-1701-2101-2501-2902-02
Daily COP needs a heat meter; days without one show electricity only.

The installed heating curve

one heating hourfitted curve50 °C
2030405060-5-3-11357911outdoor temperature, °Cflow temperature, °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.