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Last seen: Aug 26, 2026
@iancalderbank In my own case, I started from the coolest room with that Lockshield valve fully open, then progressed around the house from the warmes...
@derek-m Hello Derek, I have left the system running with the thermometers in place for a few weeks now; glancing at the readings from time to time in...
@crimson I’m not Ian, but, not really! The lockshield is a restriction to flow which is set and remains constant. A TRV provides dynamic changes with ...
Fingers crossed indeed! Toodles.
@judith I have an update of a sort to report: We use the electrical element during the winter too! I find that (particularly in mild weather) the radi...
@allyfish I was watching a very recent Youtube presentation from Anthony Dyer in Aberdeen who has presented quite a few on subjects including his PV, ...
@allyfish Indeed Allyfish, swapping from one tariff to the other only takes a couple of days and, as you say, one can swap back again if wished; there...
Oh Steve D! I think you are very nearly my double! I too have been along a very similar journey; we have 8.1 kWp of PV and are fortunate to have 27 kW...
… Or a gas mask.
@transparent A nose peg?
@morgan Perhaps someone is taking the ….
@majordennisbloodnok Oh Major, I so agree with you! When I read Rachel’s article PT.1, I felt, well I fit that top category - not that I have ever tho...
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Latest Posts
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 13 minutes ago
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RE: Who's your electricity provider and what's your tariff?
Looks like not much change in electricity prices in the...
By ChandyKris , 2 hours ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 2 hours ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 2 hours ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 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 , 20 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 20 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 , 2 days 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 , 3 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 , 4 days ago



