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Last seen: May 18, 2026
@deltona I did draft a long point by point response but on reflection it isn't worthwhile. Suffice it to say that I find some of your wording quit...
@transparent Thanks, I think I now get it. I am sorry its taken so long! I believe I now also understand why a local generator which is operating...
In case it helps Andrew Kuhne on openenergy monitor has developed an 8 way (I think) fan controller which he sells at cost. I used a commercial one w...
I agree, I wouldn't and I didn't. That doesn't however mean that one cant give general information based on reasonable assumptions, otherwise this fo...
I suspect this depends on the fans. The radiator side has more resistance and I'm guessing that fan fin design is quite sophisticated, so may well ta...
@editor - just a comment - these aren't easy to find unless you know to look for them. Is there some way that this could be improved? @toodles artic...
Sorry Im not. I should also be upfront in saying that Im not a heat pump professional and so restrict my activities to giving well meaning advice to ...
Thanks. I know and can see that the tie from earth to neutral is at the local substation transformer. However its not this that matters for safe...
OK the thing to understand about setting thermostats and TRVs (much) higher is that you are actually trying to disable them altogether. You then need...
@fiona @johnbroome I'm sorry to hear this. Can I just ask if you have done the key things which are necessary to get a heat pump working both che...
For me this sums up what I have learned in my 3 year journey so far. Of course 'caveat emptor' is universally true - if there is an opportunity to sc...
Latest Posts
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RE: UK warm homes plan - how can it be delivered?
... or take responsibility for our own decisions, inclu...
By JamesPa , 7 minutes ago
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RE: Sizing an ASHP; Heat loss and kW
Ultimately, the EPC is about as accurate in estimating ...
By Majordennisbloodnok , 15 minutes ago
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Grant Aerona R290 (15.5kW) - How is DHW Target Temp calculated?
Hello all, We have just had a Grant Aerona R290 insta...
By TaffontheTaff , 1 hour ago
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RE: Setback savings - fact or fiction?
Indeed, I can well imagine that a heat-pump based syste...
By PeterWurmsdobler , 4 hours ago
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Loud noises in the night - and one for the toolbox?
I was woken at 5am on Sunday to a very loud noise, akin...
By JamesPa , 5 hours ago
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RE: Advice on Vaillant Sensocomfort
The latest Vaillant announcement I saw said that they w...
By JamesPa , 5 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 , 18 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 , 18 hours ago
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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 , 1 day ago
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RE: Vaillant Sensocomfort Time
Thank youy for the pointer. I think I have managed to ...
By ispookie666 , 2 days 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 , 2 days ago
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@majordennisbloodnok good advice, thanks for that.
By David999 , 2 days 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 , 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 , 3 days ago
