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Last seen: May 15, 2026
@editor oh dear, very sorry to hear about that. I hope you get it sorted soon.
@ashp-bobba fascinating explanation, thanks. I have a physics degree and worked as an IT architect for 40 years, so I can understand this kind of sy...
We should also consider the importance of the manufacturer's role in setting design guidelines for installers. As an example, Grant UK seem to reco...
If you have enough space, you might consider opting for a larger hot water cylinder. That would reduce the risk of running out of hot water. However...
@drei your proposed radiator design looks inadequate to me. The first and second floors look OK, but a shortfall of 59% on the ground floor at 45C is ...
@editor like @jamespa, I had a list of test questions: What SCOP will you design for? Can you show me evidence of achieving that SCOP on your ins...
@ashp-bobba I agree that as an installer you probably don’t want to be the cheapest. There is plenty of work out there. If you charge more, you can ...
@drei in your original post, you said: Did the Heat Geek Elite engineer give you a design within the £800 fee, or did he just tell you everything t...
@majordennisbloodnok I read the document that you shared: "Get_to_know_your_Cosy-20.2-internal". It looks as though it automatically adjusts the wea...
@andrewj this is an interesting discussion. I am curious to understand why you are asking the question. You already have a heat pump, so surely you ...
This really depends on your heat loss and emitters. My installer and I seem to have been too pessimistic about the heat loss and maybe overshot on ra...
@heacol thanks for explaining. We have FRVs on most radiators. We have TRVs in the bedrooms instead, but they are all wide open. The temperature i...
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Degrees of Separation
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@springswood - my radiators are plumbed the "normal" wa...
By scrchngwsl , 47 minutes ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@jamespa haha very true, although the engineer yesterda...
By swwils , 3 hours ago
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RE: Vaillant Arotherm Pro vs new Plus
One of the test modes in the installer menu forces it t...
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RE: Electricity price predictions
@toodles Didn’t happen with me on IOF once, and I was o...
By Papahuhu , 19 hours ago
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RE: What a difference a few degrees make.
Wow. Having accepted the challenge, I ran the cold tap ...
By Old_Scientist , 19 hours ago
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RE: HeatPump maintenance in Swindon area?
@vince31 have you tried using our finder:/p>
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Looking for beta testers for a new homeowner heat pump tool
Over the past few months I've been building a brand new...
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RE: Indevolt Batteries UK Support & Info Thread
It depends on how you configure it via the app. The ma...
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RE: Renewables & Heat Pumps in the News
Be interesting if this results in any wider changes to ...
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Heat Pump Fundamentals For Homeowners
Months in the making. Finally live. I've built an onlin...
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