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Home / system #1393

Sunrain SMHP-006C1

Dublin, Ireland · Semi-detached · 115 m² · 2012 or newer · 6 kW · radiators · installed by Self-install

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

Last 7 days

168 hourly rows · MID-class heat meter present: yes
4.13efficiency (COP) over 168 hours, from the heat meter
better than 84% of the metered fleet in January 2026
Electricity used
48 kWh
Heat delivered
199 kWh (heat meter)
Estimate without heat meter
flow sensor 3.76 · temperature model 4.62
Mean outdoor temperature
9.9 °C · 82 space-heating hours
Flow temperature at 0 °C outside
38.6 °C (curve slope -0.81 per K)
Flow − return while heating
1.7 K
House needs at −3 °C
3.2 kW (unit rated 6 kW) · fit r² 0.29
Hot water
30% of electricity, COP 3.91
warningOnly 1.7 K between flow and return
Circulation pump may be set too high or emitters are undersized for the low flow temperature. Ask the installer to check pump speed.
noteOwner’s note on the source site: “No negative heat during defrost, require proof of MID heat meter”

Day by day

electricity per daydaily COP3.0 floor
electricity, kWh per day0482026-10-31: 2.3 kWh, outside 12.8 °C2026-11-01: 5 kWh, outside 9.9 °C2026-11-02: 7.3 kWh, outside 8.8 °C2026-11-03: 7.2 kWh, outside 9.8 °C2026-11-04: 8 kWh, outside 10.5 °C2026-11-05: 7.3 kWh, outside 9.6 °C2026-11-06: 8.1 kWh, outside 9.2 °C2026-11-07: 2.8 kWh, outside 8.3 °Cdaily COP (heat ÷ electricity)1352026-10-31: COP 3.962026-11-01: COP 3.992026-11-02: COP 3.972026-11-03: COP 4.162026-11-04: COP 4.192026-11-05: COP 4.142026-11-06: COP 4.222026-11-07: COP 4.3310-3111-0111-0211-0311-0411-0511-0611-07
Daily COP needs a heat meter; days without one show electricity only.

The installed heating curve

one heating hourfitted curve50 °C
20304050604567891011121314outdoor 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.