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Last seen: Oct 13, 2026
That is undeniably true and is something I meant to mention. But sometimes it can be good news, as it was for me. I thought I had 11kW trying to cover...
I can't even find it in the manuals, apart from in the modbus table. I wonder, where did you find it, and that it should be 35°C, which seems rather h...
I agree. It is very useful to have real data. It really is very easy if you have a monitored heat pump. Given a steady IAT, then your energy del...
You can send private messages via the Messages (envelope icon) button under My Dashboard top right of the page, but generally we like to keep discussi...
Here is the SPAB (Society for the Protection of Ancient Buildings) research on measured in situ U-Values vs calculated (spreadsheet standard tables et...
28kW - that is what spreadsheet based heat loss assessments do. I had similar but not quite as large variations in assessments. I expect I am telli...
@travellingwave — Thanks for your very detailed account of what you have done. I have a very similar situation, 200-300 year old stone building, solid...
You might be able to, have a look at address registers 201 to 208, in particular 204 (from the wired controller manual modbus table). Try reading it f...
@tasos, please do try to concentrate. That is the opposite of what I said: "both [LWT and RWT] are still above the IAT so heat will still flow from th...
The LWT does indeed become equal to the RWT towards the end of each cycle (taking a cycle as trough to trough) but it both are still above the IAT so ...
We have pretty much established by direct observation that Midea R32 units (and perhaps R290 units, less data available) modulate at most OATs (anythi...
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Degrees of Separation
Latest Posts
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The video in the link mentions a direction arrow, which...
By Singlespeed , 8 hours ago
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RE: Cooling/heating with one unit
@rob-of-york thank you. Hadn't occurred to me that some...
By mrkfm , 11 hours ago
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RE: Renewables & Heat Pumps in the News
Posted by: @editor I think we should make that approa...
By Rob of York , 17 hours ago
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RE: Does anyone have experience of a smart water meter?
My neighbour received an email from Anglian Water sayin...
By AndrewJ , 18 hours ago
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RE: Jokes and fun posts about heat pumps and renewables
Well the military is well known for going green, isn't ...
By Majordennisbloodnok , 19 hours ago
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RE: Why are ASHP installs so expensive?
I've ripped out over 11kw of storage and panel heaters ...
By Singlespeed , 20 hours ago
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RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
I think it may depend how much of the world is on fire ...
By EtchedPixels , 1 day ago
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RE: Air-to-Air Heat Pumps & Air Conditioning: UK Heating and Cooling Q&A
I hope it's not the same people who make the awful TV s...
By EtchedPixels , 1 day ago
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RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
I found some interesting data about the price of heat p...
By Rob of York , 2 days ago
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RE: PV and battery long payback - sense check query
Thanks for all the comments. I finally got to the bott...
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RE: Indevolt Batteries UK Support & Info Thread
People following this thread who are hoping that plug i...
By JamesPa , 2 days ago
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RE: Passiv Smart Thermostat - Help & Forum Support
By Singlespeed , 2 days ago
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RE: Help me keep the faith with my air source heat pump installation
just had Vaillant over to service the HP and asked abou...
By AdamK , 2 days ago
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RE: tepeo ZEB UK Support & Info Thread
OK so ZEB is basically a variant on a storage heater, b...
By JamesPa , 3 days ago
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