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Last seen: Aug 3, 2026
@derek-m and others i think I’m getting there, so can I try this out…..? There are too many dTs in this game. Derek rightly corrected me on averag...
We’ve just had ufh in our (not yet finished) extension but the rest of the house has radiators (and will stay that way). We really had to insist that ...
Naive input here: I understand that LLH are supposed to act as impedance transformers (when set up right), giving the option of a higher delta T acr...
I’m not that stupid, but I’m having trouble getting my head around this, science, engineering, physics, control engineering and programme management t...
Aaaaah! your situation is more complicated than I realised!
@toodles I asked the plumber who was installing this yesterday (we’re only going to use the electric version in the summer when the water isn’t bei...
Hi Rachel, what a great piece of work and inspiring too. Since I have no coding skills I was planning to rely on a tariff such as Cosy and battery s...
@jwilliams89 are Heacol close enough?And the boss posts in this forum using@heacol
I don’t see any aspects of “doing a bad thing”, LLH are a good engineering solution to some identified problems, namely emitter sizes (and hence total...
@toodles graham hendra wrote an article on why llhs used to be needed and aren’t needed any more
Similar question to all i understand some ashp manufacturers insist on a llh/ 4 port buffer. Who are they so that they can be ignored, together with...
@derek-m and all We are at the getting to grips with quotes etc stage. When our extension is finished (and only then, and if we can face more disrup...
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Degrees of Separation
Latest Posts
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RE: PV and battery long payback - sense check query
@old_scientist I have now drafted 2 replies - both have...
By DavidB , 39 minutes ago
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RE: Can I start an argument about buffer tanks please? 🙂
Assume flow from the heat source is higher than flow to...
By bobflux , 9 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Thanks for that. BTW I'd be happy to test one for you...
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: adrian Manufacturer: Appliandirect.co....
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RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
@downfield Thank you Downfield. This sounds potenti...
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RE: Digest of UK Energy Statistics
@jeff Yes my brother in Oz told me of that charge year...
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RE: Love veg, hate watering cans
My dear daughter came for a bath and was given clear (I...
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RE: Questions about A2A for heating as well as cooling
@ashp-bobba ah that's good to know, I'll get in contact...
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RE: Aircon - in listed buildings
@etchedpixels thanks for giving such a full and helpful...
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RE: Who's your electricity provider and what's your tariff?
@old_scientist The service engineer powered down the ex...
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RE: Issue with Samsung Cascade System
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
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RE: Solar Power Output – Let’s Compare Generation Figures
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