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Last seen: Aug 25, 2026
I haven't to be honest, but I will and thank you for the suggestion. My fear is that they simply won't believe I know what I'm talking about ('never ...
25% oversize yes, but 60% or more than double? (which is what the MCS bods are insisting I take because they refuse to take into account fabric upgrad...
Can they, are you able to provide reference as I did not think this was the case. Indeed, so it needs to be right-sized which the MCS brigade...
Nothing has changed, you need to read the rules carefully. In short the PD rules require that the installation conforms to the MCS planning standards...
I have the same impression. However Octopus isn't the whole industry and one might have hoped that others, perhaps smaller initially, would fill the ...
I agree. The 'industry' appears to concentrate on making a fast buck whilst protecting its rear end, not rolling out 1.4M heat pumps per year (that's...
Ah, now I see, yes I meant former not the latter!
Sorry but I'm not sure what you are referring to I completely agree, the thermodynamic argument is clear in the case of heat pumps (its different...
I think we do agree on this and I also think its consistent with what I was saying. Looked at another way it is also necessary that there is a highe...
More efficient still, don't switch it back on and put on a jumper.
True Thermodynamically maybe not true. Short cycling will result in a reduced requirement for higher flow temp than long cycling so thermodynam...
According to the basic physics, no they won't. Obviously there might be 'engineering' effects, but the basic physics says that running continuousl...
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Degrees of Separation
Latest Posts
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RE: How Accurate Is My DIY Heat Loss Calculation?
@editor Thanks Mars, I have been enjoying playing with ...
By kilgorexv , 47 minutes ago
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New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
I am feeling baffled and worried:We are having a an Aro...
By GutoFfowc , 3 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 6 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 6 hours ago
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RE: Questions about A2A for heating as well as cooling
@donciccio I would suggest that you take a "fabric-fi...
By Rob of York , 7 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 24 hours ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 2 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 2 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 3 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 6 days ago
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