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Last seen: Aug 25, 2026
Both very valid comments (and a sensible suggestion for an approach) in my humble opinion, however can we make absolutely sure we agree on the objecti...
Thanks for all the comments. As a group we aren't currently 'converging', which is a disappointment given that this group seems to be considerate of ...
Thanks. My first reaction is that's scary. It looks like the average predicted is (about) 3.5 and the average actual is 2.7. The latter doesn't mat...
[/quote] With a design LWT of 65 and WC applied, the system will spend most of its time (in the South East of England) at an LWT in the low 50s ...
Another possible thing to think about for @iancalderbanks list is an independent heat loss survey function, together with some protection for the inst...
Thats the provocative statement yes, but OK its the extreme to stimulate out of the box thinking. Currently most HP retrofits seem to involve changin...
@derek-m According to MCS accounts they are funded mostly by 'trading activity'. More specifically: According to its website MCS became a chari...
Thanks for this. I can only see manufacturer data here not 'real world situations'. Am I missing something? My analysis used manufacturer data (f...
Quite so. I suspect it might have been deliberate on the part of MCS (a private monopoly) when they wrote the definition of 'the MCS Planning Standar...
yes and I think many others would too (I have considered it and my LPA have, off the record, suggested I could probably get away with it). But ...
@chickenbig As you say the PD rules say that 'Development is not permitted by Class G unless the air source heat pump complies with the MCS Planning S...
"for me the key bit that is not obvious to me is who are the umbrella organisation providing training and support to make sure these installs are don...
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Degrees of Separation
Latest Posts
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RE: How Accurate Is My DIY Heat Loss Calculation?
85kWh of gas usage, divided by 24 gives 3.54kW and adju...
By Old_Scientist , 7 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 , 10 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 , 13 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 13 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 , 14 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 , 1 day 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 , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 3 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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