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Last seen: May 18, 2026
er,,, but presumably its still a TRV and thus not particularly suitable for heat pumps?
@fleurcules thats great news. My advice is to make sure he demonstrates high temperature operation and if you can note the cop when he does it (diffi...
Great then, you seem to be well sorted. Before I 'sign off' completely I should say that many of my comments above about possible causes no longer a...
Frankly Im not surprised. Please do read my previous post which, following 3 years on this forum and a very successful personal heat pump install, is...
Decades of dirt cheap North sea gas killed the competence of the heating industry in the UK. Just shove in a grossly oversized 30kW condensing boiler...
Ah, now it makes more sense. If it's sitting on the grille it's measuring air temp not rad temp. They need to be properly strapped to the radiator i...
That's a great one for the Uxbridge English dictionary (I'm Sorry I Haven't a Clue - Radio 4)
Are they properly in contact with the metal? You could check them with iced water and boiling water or tuck them under the insulation of the flow fr...
At 27 (DT of 10 relative to room) your rad output is roughly 20% of the output at 50 (dt 30 relative to room), say 600W. The rads most of the time ar...
OK Ive read this again and it just isnt making sense If I read this correctly you are apparently saying that that the house tem...
OK @papahuhu that makes things clearer. I dont know what algorithm Homely uses (@toodles may be able to help here - if @toodles you do look at this p...
A single design temp of 35 or less really would be the way to go. If it were my newbuild I would be insisting on it unless I had concrete proof (not ...
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RE: ASHP Capacity loss with aging
This is a good question. The short answer IMO is yes, c...
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RE: Daikin Altherma 3 with Fan Coils in Puglia (Italy)… Sanity Check on System Operation
Welcome @simon_jm, and this is not a dumb question at a...
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RE: Loud noises in the night - and one for the toolbox?
Brilliant bit of lateral thinking, and a useful one to ...
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RE: Setback savings - fact or fiction?
Yes, also the higher OAT end is possibly a smidge high ...
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RE: UK warm homes plan - how can it be delivered?
@bobflux My view is that regulation for consumer pro...
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Hi Mars, I've sent you a request to connect me with a...
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RE: Sizing an ASHP; Heat loss and kW
Annual consumption is almost certainly better than an E...
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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...
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RE: Advice on Vaillant Sensocomfort
The latest Vaillant announcement I saw said that they w...
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RE: Debugging my legionella immersion heater
I notice this (66 is rather hot) with my legionella cyc...
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RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
@transparent I thought you would spot that wind turbine...
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@swwils there is no logic to oversizing a heat pump. It...
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RE: Vaillant Sensocomfort Time
Thank youy for the pointer. I think I have managed to ...
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