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Last seen: Sep 17, 2026
@tasos In truth I wasn't expecting the limit to be a problem because I wasn't expecting to operate as low as 27. But the first season showed I needed...
Its certainly true that some have a limiter of some description. Mine for example, a Mitsubishi Ilife2 slim, turns the fan off if the water temp <...
At a guess on the heat pump controller itself unless the Honeywell has been wired to control DHW also. You may be better revisiting the space heatin...
I wouldnt be surprised. There is, in principle, a role for arbitrage to help balance grid load, but (at least based on what @transparent tells us) ...
@old_scientist @batpred The other area where this becomes relevant is arbitrage (buying low and selling high). This, at least as I read it, is NOT ...
Hi Contrary to the outrageous claims made by @cathoderay Im not an expert on anything, just a regular guy with degree in physics from 40years ago an...
I expect they are all made in the same factory in China! I suspect because the absolute value doesn't matter to the day to day operation and they...
OK, 2*22mm good, 1*25mm composite somewhere between pretty bad and unacceptable unless its very short with swept bends only. Do you know roughly ho...
Woah - is that single run (flow and return) rather than two runs (2* flow and 2* return) in parallel and roughly how much of this is there please and ...
@davidalgarve Thanks, thats great data on the pumps and as you say different but not much. I have some ideas forming both by way of explanation a...
@davidalgarve I have deleted your post made in error, I will delete this one also once I know you have read it!
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Degrees of Separation
Latest Posts
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 16 minutes 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 , 20 minutes ago
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RE: Heat Pump deployment statistics: June 2026
IMHO its not unachievable, but it wont be achieved with...
By JamesPa , 3 hours ago
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RE: Missing flow temperature in Heat Geek proposal
That calculation is reasonable, output is proportional ...
By JamesPa , 3 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
Have you looked at the Nibe website? They list their ap...
By Lizzie , 4 hours ago
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RE: Why are ASHP installs so expensive?
A not unreasonable position and it wouldn’t be mandator...
By AndrewJ , 4 hours 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 , 2 days ago
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 2 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 2 days ago
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RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 2 days ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 2 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 3 days ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 3 days ago
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