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Last seen: Mar 21, 2026
@jamespa Thanks James that helps to understand the context and your aspirations… I’m also enthused to make things better.
Curious- what exactly will this discussion actually produce. Who are “we” who are you. With what authority do we speak? is there a material product...
hi @jamespa The issue of uptake has loomed large lately and I’m sure there’s many and varied reasons. I guess inflation and the economy wouldn’t hav...
Sorry I have to disagree- the HP installation industry needs to be completely re- configured with powerful measures centred on performance penalties. ...
Hi @snuffy , I have an Ecodan - slightly larger than yours- 8.5kw. You have one of the most readily adaptable sized heat pumps for retrofit applicatio...
New retrofit installation mid October 2022. Shocking January data. Finally got new controller and wireless thermostat. Learned a bit, flow rates adjus...
Thanks @kev-m that sounds like the best way to keep up to date with performance. 👍🏼
The figures you’ve mentioned seem to correlate with what we’ve found this weekend. We have been running our Ecodan 8.5 in “stand by” while we were awa...
@cashback I guess you have a number of considerations which you are probably juggling. Eg. Loss of Door and ceiling height with an overlay heating ins...
hmmm. This is both annoying and reassuring in equal measure. Annoying in that the reported cop data is frustratingly inaccurate. And reassuring in tha...
Thanks for the very thorough feedback Derek. It will be greatly reassuring to have done these tests. @transparent yes the glass tube system is exac...
@derek-m thanks for that Derek I will look into it after our return journey. picturs haven’t uploaded easily on this train journey but thank’s for you...
Latest Posts
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RE: Advice on Vaillant Sensocomfort
I dont know for certain about heatpumpmonitor, the kit ...
By JamesPa , 2 hours ago
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RE: Debugging my legionella immersion heater
I notice this (66 is rather hot) with my legionella cyc...
By JamesPa , 3 hours ago
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RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
@transparent I thought you would spot that wind turbine...
By Batpred , 4 hours ago
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UK warm homes plan - how can it be delivered?
@editor Sobering thoughts on your article on the workfo...
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RE: Setback savings - fact or fiction?
You are right to be intrigued by it IMHO. SOFAIK it is...
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@swwils there is no logic to oversizing a heat pump. It...
By AgentGeorge , 14 hours ago
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RE: Vaillant Sensocomfort Time
Thank youy for the pointer. I think I have managed to ...
By ispookie666 , 1 day ago
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RE: Forum updates, announcements & issues
I have been doing a lot of work on the site lately and ...
By Mars , 1 day ago
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@majordennisbloodnok good advice, thanks for that.
By David999 , 1 day ago
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RE: My Grant R290 9kW Heat Pump Installation
I am following this thread with great interest and than...
By TaffontheTaff , 1 day ago
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RE: Sizing an ASHP; Heat loss and kW
You can't measure heat loss with a website. But you ca...
By JamesPa , 2 days ago
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RE: Estimating true heat loss from twelve months of consumption data
@ian33a — I have a sort of residual interest in this pr...
By cathodeRay , 2 days ago
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Hi, Thank you. So its a Daikin Altherma 3M...
By Lbart68 , 2 days ago
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I have a Contactum CU. Would the below RCBO (descriptio...
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