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Last seen: Sep 14, 2022
@derek-m Hi Derek, just a wee query. Since I have Flow temperatures and outside temperatures at 2 min intervals, if I plot these on a graph, if th...
@derek-m thank you sorry again for being such a pain.
@derek-m sorry I cant seem to see the attachment you mentioned
@derek-m I do have a Vaillant aroTherm 45 liter buffer tank in the system . I have attached the Vaillant Schematic Drawing and I believe my s...
@kev-m Thanks for the info. I think you are confirming that I'm not being unrealistic to look for higher COP and SCOP. I still hope Vaillant will...
@derek-m this is my MCS spreadsheet. I completed this myself.
@derek-m I live in the South West of Scotland and originally I was repeated told that the heat curve should be 1.2, but recently as part of their i...
@derek-m I really hope I'm not putting you to any bother Derek. 1a) the COP via the Vaillant sensoApp is calculated by dividing the sum of Electr...
@derek-m I don't have thermostats but I do have a Vaillant sensoComfort which I believe acts as some kind of thermostat. It is used to set temperat...
@derek-m thanks for that. I'm pretty sure it is in "weather compensation mode "as it cuts out when outside temperature goes above 21degrees and its ...
Thanks for the info I will research further. From the information I am getting my system has never drawn more than 4kW at any time since the install. ...
I am no Heating engineer but I think there are a number of things to consider here 1) the MCS Heat Loss calculation is for the entire house. I have ...
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Latest Posts
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RE: Heat Pump deployment statistics: June 2026
To my eyes, sat behind all of this is a basic policy ma...
By Temperature_Gradient , 12 hours ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 16 hours ago
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We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 16 hours ago
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RE: Missing flow temperature in Heat Geek proposal
That calculation is reasonable, output is proportional ...
By JamesPa , 18 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
Have you looked at the Nibe website? They list their ap...
By Lizzie , 19 hours ago
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RE: Why are ASHP installs so expensive?
A not unreasonable position and it wouldn’t be mandator...
By AndrewJ , 19 hours ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 2 days ago
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 2 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 3 days ago
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RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 3 days ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 3 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 3 days ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 4 days ago
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