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Last seen: Feb 21, 2025
Hi Anca1808, Welcome to the forum. First off, please try not to panic. We just need to do some problem solving. 1. Where are you ...
Hi AndrewJ, There's several design principles which vary from designer to designer. The ones Octopus have designed to are generally considered t...
Hi Carpenterstation, Welcome to the forum. 17kW Heat loss on a 450sqm property is definitely on the lower side, that's a peak heat load of just ov...
Hello, Buffer tanks have several functions which determines whether or not they are necessary in an installation. 1. Hydraulic separation for ...
Hi James, The actual values used for MCS are the room design temperature, the insulative values (u-values) for the property as well as the unique m...
@bontwoody Good spot there, yes you are absolutely right, my apologies OP. dT should stay consistent but min (crucially max) flow temperature shoul...
Hi @chansug, a warm welcome to the forum. A few points if I may on your quotes recieved. 1. The heatlosses are all (relatively similar). You m...
Cycling every 15-30 mins is not ideal for wear and tear on the unit, no, but your efficiency is 'ok' by most standards which is the key impactor of ru...
@jaynieq Hi Jaynieq, All the advice offered by JamesPa is, as per usual, spot on. Unfortunately, ECO4 installations are frequently where we s...
@alfapat Everything as commented above is pretty much spot on- the lower the flow temperature the heat pump is being asked to produce, the better the ...
@abbote Hi there, Well done with all the fault-diagnosing you have done so far and sorry to hear that you have been having such issues with you...
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Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
@cathoderay I started to record oil usage per month on ...
By ian33a , 1 hour ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 4 hours ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 10 hours ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 1 day ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
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It’s been out a few days and Amazon has already attache...
By Mars , 1 day ago
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 1 day ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
By cathodeRay , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 3 days ago
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 4 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago


