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Last seen: May 21, 2026
@robs Do you need IAT for this to work? Don’t currently have it in OEM but could add it. I could just assume 20 Deg as that is what I have the Mist...
@robs Thanks I will have a look can’t believe how good OEM has become - I used to work with Industrial controls and most SCADA systems costing 10...
@goodbyegas Hi Fellow Ecodan owner here. Looking at your MelPump data if I read it correctly it looks like your heatpump is heating the two zones...
@cathoderay yes you can download data from OEM as a csv file. Suggestion about using an electric heater was more about getting a better handle on...
@cathoderay thanks for the SPAB link - very interesting - a lot to digest. Interesting points for me 1. The methodology of heat flux measurement. ...
Just a bit more context/personal experience on the importance of air tightness - Our previous property was also a G2 listed stone cottage (gluten for ...
@cathoderay To be fair - the 28kw was coming from an initial enquiry where the company concerned looked up the EPC for the property - on this basis th...
@cathoderay Thanks for your detailed reply - and also for your input over the years - as I say this resource is invaluable. Fully echo everything yo...
The original underground pipework to the heat-pump was only 28mm plastic laid in land drain pipe which was certainly too small for a 14Kw unit - In f...
New 32mm MLCP pipe - pre-insulated
Most of the bits I removed - the two pumps alone accounted for a continuous 0.14Kw of power consumption.
Here is the trend from today - It is much milder and the heat pump is ticking over at near its minimum output - If it gets much milder it will probabl...
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Degrees of Separation
Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
I am amazed that there is not something out there to me...
By JamesPa , 6 hours 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 , 12 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 , 17 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 , 2 days ago
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It’s been out a few days and Amazon has already attache...
By Mars , 2 days 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 , 2 days 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 , 4 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 , 5 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
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