
Last seen: Oct 15, 2025
@vsmith1 It’s interesting that you have a 100 litre hot water tank. I am assuming that you applied for and received the BUS? MCS guidelines required u...
@vsmith1 Thos COPs sound quite respectable, the lower one illustrates how flow temperatures influences efficiency, those extra~20 degrees required to ...
@grantmethestrength The new to you flow valve is summat I know not of at this stage but, my gut feeling is that if it is in the water circuit, is part...
@cathoderay Indeed you do need to look at the overall figure over time. At present, our pump has a COP below 3 and we are consuming an average of ~2kW...
@jamespa There again, I have my secondary pump set to match the average flow rate from the heat pump system; this is 15 lpm. When the pump speeds up (...
@cocopops Homely supplied my kit to the installer who came along to do the install; this was a bit of a learning experience for the installer as it wa...
@grantmethestrength Oh well, pump speed investigations then! Toodles.
@grantmethestrength Even with my poor eyesight, my immediate reaction when I saw the photo before reading your text was that that guage looks as thoug...
@grantmethestrength Well done, you are making progress now, I can’t be sure but I suspect the pump is running faster (harder) than it might need to. T...
Well, exactly what I said; my visitor wrote to thank us and said “It was very nice to meet you both, and thank you for the extremely helpful and co...
@lenny Same here, ‘Is it running now?’ the visitor enquired whilst standing just a metre or so away - I suggested putting their hand in front to reass...
@editor Err, no, but I do hope to provide them with food for thought.😉 Toodles.
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RE: External wall insulation - your experience
So our house is in SE England. We mainly had mixed w...
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RE: Should Our Water Circulation Pump Be Configured to Run All The Time?
@steelbadger lol it just made the rest of the house hot...
By Grantmethestrength , 24 minutes ago
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RE: How good is the app support for your heat pump?
@judith Being able to adjust the weather compensation a...
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RE: 5 Star Service from Havenwise
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RE: Pump and Esbe mixing valve for UFH
So my next question is about calculating pressure loss ...
By AndyCoo , 6 hours ago
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RE: Low COP and unevenly heated rooms with 12kW Samsung AE120MXTPEH / AE260TNWTEH
Im going to try to take a practical approach to this, i...
By JamesPa , 10 hours ago
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Even that may not be enough. Air can still collect, it...
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RE: Large heat pump options for church building
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
@hcas Thank you.
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RE: Say hello and introduce yourself
There are few heat-network schemes in UK @chris12 but I...
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RE: Widespread failure of insulation installation
@jeff Along with a phone-in on BBC Radio Four today, mu...
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RE: What is the Heat Geek Guarantee?
@editor Thanks Mars, it is encouraging that Heat Geek a...
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RE: Renewables & Heat Pumps in the News
Love the thought of it! simplification and sometimes me...
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RE: Help me keep the faith with my air source heat pump installation
@adamk Will not even get started... The power of the ...
By Batpred , 1 day ago
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Sounds like you got it working for monitoring! With wel...
By Batpred , 1 day ago