Last seen: Feb 23, 2026
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!
Firstly its great news that you are improving things! I would try to avoid that TBH as its creating unnecessary resistance. Can you remind us wh...
It will consume more power in the water pump but it is more likely to increase COP than decrease it, because it means that you need a slightly lower f...
Latest Posts
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RE: Setback savings - fact or fiction?
@cathoderay - thanks for an interesting discussion! T...
By RobS , 2 hours ago
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The road to upgrading to the latest CU standard is ofte...
By Batpred , 2 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@benson thanks a lot.
By Tasos , 3 hours ago
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RE: Electricity price predictions
I'm not so sure that the rest of society values a maths...
By JamesPa , 4 hours ago
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RE: Knock on effective of balancing radiators
@bash — another thing to be aware of is that inadverten...
By cathodeRay , 6 hours ago
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RE: Say hello and introduce yourself
Thanks a lot GC61 - I'll open a separate thread in due ...
By Kev1964-IRL , 6 hours ago
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RE: Rate the quality of your heat pump design and installation
Thanks @woofers64. It was a fair point, and the distinc...
By Mars , 7 hours ago
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RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters
@falesh having a house of similar age the two issues I ...
By Terry1812 , 7 hours ago
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RE: Our Experience installing a heat pump into a Grade 2 Listed stone house
Remember that the house continues to lose energy when t...
By JamesPa , 7 hours ago
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@travellingwave, thanks for the post and kind words abo...
By Mars , 10 hours ago
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RE: Renewables & Heat Pumps in the News
@editor I'd missed that, and it's a very good response ...
By Sheriff Fatman , 10 hours ago
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RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
In a word don't, or at least think VERY hard before doi...
By JamesPa , 11 hours ago
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There has been quite a bit of discussion (mostly on OEM...
By MartinRobinson , 11 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@af1 My EPC rating jumped from E to C after installatio...
By dr_dongle , 14 hours ago
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RE: Homely setup on daikin heat pump
Hello fellow Daikin owner, my installer retro-fitted my...
By Toodles , 15 hours ago
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RE: A Smarter Smart Controller from Homely?
@odd_lion the minimum MCS requirement is 2.8. I don't...
By benson , 15 hours ago
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RE: Advice on potential HW Cylinder size
I think the comment about heating from cold is quicker ...
By sjcsystems , 1 day ago
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RE: Ideal HP290 14kW ASHP - how to optimise
Hi You can get a stethoscope for less than 10€ on Ama...
By bobflux , 1 day ago
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RE: Struggling to get CoP above 3 with 6 kw Ecodan ASHP
Your DT is to low, you do not have enough heat exchange...
By ASHP-BOBBA , 1 day ago
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RE: What determines the SOC of a battery?
I am aware. But is your chart direct from a Pace BMS ap...
By Batpred , 1 day ago
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RE: Call for heat on open loop weather comp system
I don't know Grant system but most ASHP are very simila...
By ASHP-BOBBA , 1 day ago
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@painter26 — good idea. Please do let us know what he s...
By cathodeRay , 1 day ago
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RE: Solis inverters S6-EH1P: pros and cons and battery options
Yes, but I need to reopen the battery box.. I just noti...
By Batpred , 1 day ago
