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Last seen: Nov 11, 2026
Unless you use negligible hot water the energy used by the compressor will dominate, the water pump will be negligible. So you should optimise for th...
Welcome to the forum and please feel free to ask as many questions as you need to, no question is 'stupid'. If you havent already can I suggest you r...
There is a table here showing figures generally well above 7kW /p> However there has been recent speculation that these figures are gross output and...
I am not sure what assumptions you think I am making in my analysis of what we know so far about whether there is anything 'magic' about a 5C DT flow-...
Or someone is watching the woke in preparation for the right wing takeover to come.
!C drop across the buffer is small, and might cause an efficiency degradation of ~3%. But 2C flow to return is also small so was this at a time when ...
really? Im not sure if thats encouraging or scary.
Not sure this is precisely what happens or how the control loop works. What I observe on plots I have seen (including mine) is that the flow temperat...
I honestly dont know. I think there were two questions 1. Is 5C somehow critical - answer no 2. Does it matter if you have designed for ~5C ...
So this is fairly simple and there is no need for anyone to get prescious about their current position. We all learn by being challenged and hopefull...
Welcome. If you provide some more information about the property and anything you have already found out I'm sure you will get some helpful ideas.
Thanks for the clarification. I am also neither an installer nor a heat pump designer! Just an enthusiastic homeowner with a background in physics a...
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Degrees of Separation
Latest Posts
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RE: Buffer tank on a 2 x 14kw Ecodan system
@fosterl2, ah, that changes the picture somewhat. I’d a...
By Mars , 3 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Well you have a vibration generator running at some fre...
By bobflux , 5 hours ago
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RE: Why don't people choose heat pumps?
@susannasaunders The link I have found may provide a li...
By Toodles , 8 hours ago
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RE: Who's your electricity provider and what's your tariff?
@downfield Thats a decent rate, I’m shocked they hadn...
By Papahuhu , 1 day ago
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
@batpred I mentioned earlier that targeting the payment...
By Toodles , 1 day ago
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RE: Adventures in heat loss calculations
@toodles thanks! So as suspected, around a doubling of ...
By SusannaSaunders , 1 day ago
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Six books in three years and I think I’ve now covered j...
By Mars , 1 day ago
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RE: Grant Aerona3 13kw - Buffer Tank - Heating Journey
@heymikey Well done in achieving as nearer a match acro...
By Toodles , 2 days ago
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Grant Aerona - Weather Compensation and Schedules
Im trying to set up a friends Grant Aerona. The WC curv...
By bontwoody , 2 days ago
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RE: Air-to-Air Heat Pumps & Air Conditioning: UK Heating and Cooling Q&A
@jamespa I agree, the efficiency of Cosy Cooler ought...
By Rob of York , 3 days ago
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RE: How much of your renewable and home setup would still work if the internet went down?
I think you're right! 🤨
By Transparent , 3 days ago
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RE: Renewables & Heat Pumps in the News
ECO4 muddies the water somewhat, and then some. I thi...
By cathodeRay , 3 days ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
If there is a drain nearby that's exactly what I would ...
By JamesPa , 3 days ago
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I think that CCGT plant in Lingen is more likely to suc...
By Transparent , 5 days ago
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