
Last seen: Jul 6, 2025
@jamespaI must thank you for clearing up a misconception I was labouring under, the COP differential is as you say and much closer than I intuitively ...
@jamespa ok you got me checking my maths. if the HP was drawing 0.5 kW for 24 hours with a COP of 6 then it would deliver 72 kWh and use 12kWh if...
@jamespa I think you have misinterpreted what I was saying. If the amount of heat energy delivered in both cases is the same, then as long as the elec...
@lickofpaint Hi. Although many people do run their heat pump 24/7 it’s not obligatory. It’s certainly the way to get the best COP but there is a tr...
@derek-m I suppose it was unrealistic of me to expection production and customer prices to track each other. Just look at petrol prices 🙂
@majordennisbloodnok Hi, as you say carbon intensity is the best measure if you can use that. What really interests me is why the variation in correla...
@ivanopinion @majordennisbloodnok So I managed to get a bigger slice of data from the 17/08/24 to 13/09/24 and the results are interesting. Overall...
@mjw321 You can actually remove the mixing valve as even set to maximum it will still blend the hot water down slightly which will mean you need to ru...
@ecobaker if you are sure that the two radiators dont have an airlock, then it might just be a matter of balancing all the radiators to ensure that th...
@mjw321 There is quite a bit there Mark. I have a more modern Samsung unit with a different controller. The diameter of the UFH pipes might be a...
@joninorkney Hi Jon. Sorry to hear about you installation ordeal. it sounds like you have a good idea of what needs to be done with weather compens...
@ivanopinion @majordennisbloodnok Managed to have a look at the data today, unfortunate the data you sent me had different timestamps not in the sa...
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RE: BUS Grant, removal of all other heat sources
Im not sure we disagree - its definitely ambiguous. T...
By JamesPa , 32 minutes ago
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RE: Who's your electricity provider and what's your tariff?
Glad you're finding the information useful; I try to ke...
By Majordennisbloodnok , 2 hours ago
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@bart Stinks of corruption.
By Brendon Uys , 2 hours ago
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RE: Who has a V2G EV installation
As has been discussed on other threads, trying to justi...
By Majordennisbloodnok , 14 hours ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
Thanks @mikeh. Then I will also go back to non smart ta...
By ChandyKris , 18 hours ago
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RE: Location of hot water isolation valve on cylinder
@transparent Thank you so much and very helpful. Earlie...
By rossowheels , 2 days ago
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RE: Ecodan consuming 100kwh per day in new build!!!
It does indeed look like that, @skyefarmer. There is ...
By Majordennisbloodnok , 2 days ago
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RE: Plug and play solar. Thoughts?
Have a read of my previous posts on so-called Balcony S...
By Lucia , 3 days ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
"To tell you the truth, I don't know if HAL is homicida...
By Scalextrix , 3 days ago
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The Importance of Radiator Balancing for Efficient Heating: Introducing the Flow Regulating Valve
It’s fascinating to watch how low-temperature heating i...
By Mars , 4 days ago
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RE: Servicing Hitachi HP in rural Somerset
I'd give GreenGenUK a call or email them: sales@greenge...
By Mars , 4 days ago
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RE: Heating coming on when not required
I played with a max heating temp but there is a world o...
By JamesPa , 5 days ago
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RE: Pressure drop Primary circuit
I've always regarded topping up heating systems as my j...
By JamesPa , 5 days ago
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RE: Heat pump solutions and/or installer recommendations for France
I’d travel to France for work if you were struggling wi...
By Damon Blakemore , 5 days ago
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RE: 5 Star Service from Havenwise
That's always a danger with any new good idea, @morgan....
By Majordennisbloodnok , 5 days ago
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Have your say in the Renewable Heating Hub Awards
It’s time to celebrate the best (and call out the worst...
By Mars , 6 days ago
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RE: Mitsubishi cycling while on chilled water output
@iaack yes there's no denying that cold air sinks! I s...
By downfield , 6 days ago