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Last seen: Sep 20, 2026
Noted but (a) constant vs variable flow rate doesn't materially affect cycling, that is determined by the how far the heat pump can modulate down its ...
I haven't yet bothered optimising the heat pump cycle, I just leave it on 24*7. I did my calculations to get to 19.3p per kWh from mid Nov - mid Feb....
Thanks I presume 3.86kW applies to export (is this correct?). I already have 3.86kW export capacity for the solar, Im guessing they are unlikely ...
Im interested in that comment. I would like, and can afford, to get a battery. But I cant, however hard I try, make the business case pay (and I d...
I watched it. I found it an interesting discussion but Im not sure how much sense it would make to someone coming at this from a 'standing start'. T...
@cathoderay Whilst trying to do an energy analysis I looked a bit more closely at the two plots you posted of similar days. The cycling, once you ar...
Very sensible. Get the 'second round' quotes in, hopefully puts you in a position to make a decision.
No pressure or obligation, this discussion has moved on so much I felt it worth restating in case you had missed it. Installers will probably sa...
Don't lose sight of the fact that at some point to optimise your settings, I recommend to turn this to max and 24*7 operation then adjust your water l...
Is that because the only people who will quote for 45C also quoted for Vaillant? Might be worth doing a stare and compare (between the quotes) on ...
OVO already offer such a rate. Only for certain makes of heat pump. They get the data from the heat pump via its internet interface and the manufact...
Excellent Well they should be, its in the data sheets (or at least it should be in the data sheets). Can I ask what prompted them to say this? ...
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Degrees of Separation
Latest Posts
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RE: Next steps on my ASHP journey: Radiators and Pipework
@jamespa since going back to bed and reading again this...
By Singlespeed , 5 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
If they can't don't give up. Heat pumps are, in reali...
By JamesPa , 21 hours ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I wouldn't be too concerned about the design ...
By Rob of York , 22 hours ago
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RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 22 hours ago
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RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 24 hours ago
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RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 1 day ago
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RE: Why are ASHP installs so expensive?
Posted by: @batpred There´s another aspect that coul...
By Rob of York , 1 day ago
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RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 2 days ago
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RE: Home energy storage & battery register
1 fox ess lv5200 batteries, plus 2 more waiting to be i...
By Jimcub , 2 days ago
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RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 2 days ago
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My feed of random industrial auctions turned up this au...
By Prunus , 2 days ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 3 days ago
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We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 5 days ago
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