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Last seen: Aug 17, 2026
Definitely - I didnt realise that they had a stake in the house in warehouse. Octopus also have access to 'big data' from their installed heat pumps...
With his permission I did some analysis on the plots of 'similar days' posted by @cathoderay a few posts ago. The most important thing that comes o...
The heating curve specifies a higher LWT at low OATs, and a lower LWT at higher OATs. Thats the whole point of the heating curve - it varies the LWT ...
It is indeed a good question. The purpose is always said to be to ensure that there is sufficient water in the system to yield sufficient energy to...
Mine are also upstairs because I upgraded them before I realised how much the heat pump industry overestimates house losses. Still not a problem alth...
I confess I had to look up 'ceritus paribus', but having done so it is the problem with almost anything to do with domestic heating and heat pumps (po...
The deviations can be handled by a) the lockshield valve. this restricts the flow rate through the rad in question which increases the deltaT for ...
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...
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Degrees of Separation
Latest Posts
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I'm not sure why you would want to make it more difficu...
By JamesPa , 15 minutes ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Mine only complains if flow is catastrophically low, ot...
By bobflux , 25 minutes ago
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Hmm, not so sure personally about the title. Who is it...
By JamesPa , 57 minutes ago
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RE: Mitsubishi Ecodan FTC6 settings
I was just replying when i saw your edit drop in! 🙂 ...
By F1p , 2 hours ago
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RE: Wood burner with ASHP - direct air?
@lucia FWIW installed a woodburner some years ago. ...
By JamesPa , 4 hours ago
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RE: Who's your electricity provider and what's your tariff?
@toodles I invested on Miele a pair of frodge frozor wh...
By AgentGeorge , 19 hours ago
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RE: Flushing system, cleaning and inhibitor
Flush and fill all complete. Octopus kindly gave us a...
By Old_Scientist , 19 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
I think I saw a diagram for an exhaust air dhw tank wit...
By JamesPa , 2 days ago
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RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 4 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 5 days ago
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RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 5 days ago
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I don't notice mine defrosting, and most of the time Im...
By JamesPa , 6 days ago
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