- Joined
- 27 Jan 2008
- Messages
- 24,923
- Reaction score
- 2,882
- Location
- Llanfair Caereinion, Nr Welshpool
- Country
Boiler 18 kW so 18/4 = 4.5 kW not quite right as only runs for around 20 minutes and 7 days in a week so 4 times a week, but just approx.I don't know how you got from "½ hour every other day" to "around 4.5 kWh per day"