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Last seen: Nov 25, 2023
I suppose another incentive for A2A is in a move away from the central heating idea of heating all rooms that could conceivably be used during the day...
@mjr Ah yes, the 25kW boiler they installed in my 100 m2 home when the daily average power never exceeded 3kW during this recent cold snap. I d...
The performance of DFS was covered during a talk from ESO. The slides are here.
I'd add that air temperature is not the only determinant of thermal comfort in a room. A major component of the perception of cold is radiative loss ...
@alec-morrow A room and its contents has a given thermal content at given temperature. When it cools, it's because it loses heat to the exterior thro...
@cathoderay Wouldn't the extent of replacement depend on whether they are moving onto the original ASHPs or the new higher temperature ASHPs being rel...
I have participated in 3 of the Demand Flexibility tests run through E.On now, two of an hour each and one of two hours. The percentage reduction the...
@cathoderay There's some serious problem with the temp measurements. Touch will also readily distinguish temps around blood heat which is what your r...
@andris Not for Ovo. But the Octopus link I supplied earlier appears to suggest they look at your reduction relative to your average at those 2 hour ...
@andris Did you look at the link on "summary"? For example, with Ovo, they want you to reduce your energy consumed during the peak period to <12.5...
@derek-m If this is the constraint, there are two ways in which it can happen:, because the PHE heat transfer is limiting or secondary flow rate is li...
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Latest Posts
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RE: Heat pump installation quotations
I ran a quick check using This is what it says: Ba...
By Batpred , 5 minutes ago
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Harvest Thermal - ASHP with a smart thermal battery
I thought people here might find this interesting, even...
By springswood , 1 hour ago
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Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 2 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@ragtime27 some rooms in our house only have one place ...
By Judith , 2 hours ago
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RE: Help me keep the faith with my air source heat pump installation
I didn't know about those, they look like good pieces o...
By JamesPa , 5 hours ago
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@mkz, that's very helpful. Even if Urban Plumber are no...
By Majordennisbloodnok , 5 hours ago
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 6 hours ago
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My first question is why bother with the auto balancin...
By JamesPa , 6 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 6 hours ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 6 hours ago
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I share the same experience as @majordennisbloodnok hav...
By Old_Scientist , 7 hours ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 10 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
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