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Last seen: May 30, 2026
@derek-m I have checked the Sontex version of my COP, having separately recorded the values for DHW and heating cycles. (The benefit of the heat pump ...
You could try writing to the manufacturer and ask how accurate the readings on the controller will be. Well I probably won't as that's the least of...
Just out of interest Derek, why do you say the Sontex heat meter would be more accurate than the internal Daikin meter ? I’ve always wondered why they...
No buffer tank - it's quite a simple setup with 7 radiators.
@derek-m I can calculate the COP in two ways: on the Altherma 3 controller I can look up Information>Energy data> and get cumulative consu...
Ah yes, those were the days! I saw the Heat Geeks were also firing up smoke bombs simulating a cold well at hghq, so it’s not just me 😬 I can only a...
Hi Derek. I have a further question to this topic if you don’t mind me butting in… My Daikin (still a mystery to me in many respects) has been runni...
Thanks Derek. That's a very neat looking unit - much smaller than my Daikin. I don't think that would offend anyone ! Particularly if it was on a whit...
Yes - that's a very fair point @hughf - what a shame they can't look unobtrusive ! Though I still would like to see one. The ceiling heating in the ...
@derek-m please can you post a photo of your A2A heat pump outdoor unit ?
I’ve read a bit more about this. They charge for a survey (not too much) so they can check everything about the space under your floor, and give an ex...
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@editor Thanks for your response and recommendations. ...
By DavidB , 7 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
I think I saw a diagram for an exhaust air dhw tank wit...
By JamesPa , 20 hours ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu Of course, in the way of such things, there a...
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RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
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RE: Flushing system, cleaning and inhibitor
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
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RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 4 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s Look forward to making contact soon! Regards, To...
By Toodles , 4 days ago
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I don't notice mine defrosting, and most of the time Im...
By JamesPa , 5 days ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
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RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 6 days ago
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I meant to say I cannot register my kit at Energyplus… ...
By Batpred , 6 days ago



