
Last seen: Aug 30, 2025
@misiak Hello. The Samsung pump is capable of generating a flow temperature of up to 70C. The heat transfer into DHW (depends on storage tank efficien...
@jamespa @johnr from my understanding COP is the ratio of how much heat energy a thermal machine can move compared to the work (electrical input) done...
@johnnyb to be fair I did not know in the beginning either. I had to do my own research and experimentation to understand what was going on. This li...
@johnnyb If it is any help, I calculate the COP / SCOP using the following formula for my Samsung heat pump ( Energy Generated + Energy In ) / E...
@cathoderay this looks similiar to a phenomenon I experienced while setting up my weather curve. I fixed my issue by slightly increasing the flow te...
@ccap running my oil boiler is just a personal choice for me. My heat pump is physically capable of heating the house to about -6C OAT before it will ...
@ccap just to give you some rough comparisons, I have a Samsung 12Kw HT Quiet unit which most of the time produces a flow temperature in the 30C range...
@editor If I was in your shoes I would be making fitting a smart meter a priority. I know they have had bad press recently but smart meters open up a ...
@editor I guess the DWH strategy used can be influenced by the tariff one is on. For example I have a 200 litre DHW tank with an Octopus Go tariff. ...
@toodles discounting the ASHP and EV our baseline consumption (fridge freezer, lights, gadgets and cooking) averages about the same at 7Kwh / day, so ...
@jancold Could well be a data harvesting example or could the Sim in the car be a simple protocol converter to enable the Octopus Kraken system ...
@suzy-shadow Hi, Domestic hot water production is generally less efficient in itself. For example my combined heating and hot water efficiency is on a...
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RE: Inventor (Midea) Heat Pump short cycling advice
True! I think so, or fit fancoils! From your figu...
By JamesPa , 2 hours ago
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 5 hours ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
Hello, unfortunately i did not take any photos, but you...
By ThunderMink , 5 hours ago
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RE: Solar Thermal DHW and ASHP
Since you already have the ashp it makes little financi...
By Judith , 14 hours ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
I think you’ll find it depends on the room heat loss. A...
By Judith , 14 hours ago
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Just done your survey!
By Judith , 15 hours ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil Fwiw I have the 7kW model with which I'm, ver...
By JamesPa , 16 hours ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@grahamf you appear to value your recirculating loop de...
By Judith , 16 hours ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
@cleardene-ashp just thinking about your issues here. Y...
By Judith , 16 hours ago
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RE: Midea ASHP – how to set weather compensation
@cathoderay OK let's wait and see, it sounds an interes...
By Tasos , 19 hours ago
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RE: What is the Heat Geek Guarantee?
@judith, I’m with you on Heat Geek, but there really do...
By Mars , 20 hours ago
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RE: Electricity price predictions
Community energy installations are a great idea, but th...
By Scalextrix , 2 days ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Ooh, heat pumps in neon blue wrap 🤣 🤣 &...
By Old_Scientist , 2 days ago
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@profzarkov Good to know in case it ever happens to me...
By bontwoody , 3 days ago
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RE: Are Octopuses Slowing Consumer Adoption of Heat Pumps?
I mean, is this surprising? The local installers in my ...
By Alex , 3 days ago
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@old_scientist sorry, I should have made it clear that ...
By GrahamF , 3 days ago
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RE: Boiling Mad: Exposing Radiatorgate
Hi @Rob, I’d be more than happy to contribute. I have ...
By DREI , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@andris a great year - very happy with our system
By Profzarkov , 3 days ago