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Last seen: Oct 12, 2026
If the house loss is much less than the heat pump min output the heat pump will cycle whatever you do because there is no other way to match the outpu...
40W is not a lot. Your house will likely be drawing ~400W all the time due to the various appliances on standby, router, fridge etc. If its on half t...
@editor Agreed. There is another point to be made here, namely that you cant make the judgement/calculation on pipe size unless you have correctly...
@mars Im going to put a slightly different angle on this post because, whilst I accept its importance in principle and for some properties, Im not so...
@cathoderay Whilst I suspect you are correct I suppose the possible fault with this interesting analysis is that less well off people will be eligi...
If that makes you feel happier then go ahead, but it won't fix the problem! If you are convinced that its the heat pump that is at fault, then the...
OK thanks for that, but the basic question remains, why has a solution based on home storage been discarded? There must be a reason and, unless we ...
Completely agree. To my mind this is not worth the effort of engaging with such a solution, either we will abandon net zero altogether, which see...
OK. You dont say whether it is from the feeds to/from the DHW cylinder carrying hot liquid from the heat pump, or from the cylinder itself. Either w...
Do we need to do the look ahead stuff to make this work. Surely a simple algorithm: If I have a battery, fill it when the grid has capacity will do, j...
I know absolutely nothing about this unit but it sounds like either it needs topping up with water or the expansion vessel needs to be repressurised. ...
Perhaps they didn't significantly rewrite the algorithm when they introduced inverter driven compressors. You could layer cycling on top of inverter ...
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Degrees of Separation
Latest Posts
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RE: Renewables & Heat Pumps in the News
... which is why I've suggested that there be an inspec...
By Transparent , 2 hours ago
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RE: Why are ASHP installs so expensive?
Absolutely agreed. I quoted the national figure as evi...
By JamesPa , 3 hours ago
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RE: Does anyone have experience of a smart water meter?
@majordennisbloodnok That is my thinking precisely, I s...
By Toodles , 4 hours 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 , 10 hours ago
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RE: Air-to-Air Heat Pumps & Air Conditioning: UK Heating and Cooling Q&A
Thanks for that, quite interesting. I liked the bit a...
By springswood , 12 hours 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...
By DavidB , 13 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
People following this thread who are hoping that plug i...
By JamesPa , 23 hours ago
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Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
Whilst searching for other information I came across th...
By JamesPa , 23 hours ago
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RE: Passiv Smart Thermostat - Help & Forum Support
By Singlespeed , 1 day 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 , 1 day 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 , 2 days ago
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RE: Heat Geek installations: share your experiences
@editor I suspect that the Heat Geek online quote is a ...
By AndrewJ , 2 days ago
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RE: Adding additional Solar Panels to a DC coupled battery system
Ah, yes. Thanks for clarifying.
By Transparent , 2 days ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
@trebor12345 I have been meaning to get home assista...
By Batpred , 3 days ago
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