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Last seen: Aug 16, 2026
@tonylon Hi Tony, by CofE do you mean the same as COP? If so 3x sounds very poor, particularly for a ground source heat pump. I was getting betting...
@derek-m That was the way I was thinking too, but I think your descriptive language trumps mine. I can hear their plantive howls as I type 🤣
@transparent I actually have a UV lamp in my header tank, it stops the formation of "The blob" nicely 🤣
@derek-m Lol, Im one of those and I havent got a clue! Just been scanning the web and opinions vary from one per day in industrial settings and onc...
@andygo One big adavantage of the UVC that we havent mentuioned yet is smaller size and weight 🙂 I'd actually disagree with this - the 200l uvc i...
Ive just found some temperature data for my thermal store for the past year. Its average minimum daily temperature was 43.4C, so plugging this fig...
@andygo Hi Andy Thanks for this, all sensible stuff. I think there are a couple of caveats though. * TS not as well insulated as a UVC so loses...
@transparent Rereading your post, I think you are suggesting that the heat pump only supplies water at one temperature? Mine has a DHW and an UFH t...
@transparent Well my understanding of the issue is that the water in the store is hotter than it needs to be for the UFH. Since the COP of the Heat...
@transparent Lol you obviously have more room than me to move around your store! I was seriously thinking of fitting a solar water heater when I st...
No, definititely wanted to link the heating to my heat pump. Thanks for all the help and advice 🙂
@transparent What temperature do you heat you store to? Do you find a bath depletes it? I also installed my own store and heat pump. Its a nice feeli...
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Latest Posts
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RE: Glass lined Cylinder for private water supply
@ian33a, this is an interesting one. I hadn’t really ap...
By Mars , 21 minutes ago
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RE: Switch suitable to change between two inverter CT's
@bobflux thanks, this is the CT I got recommended for m...
By Jancold , 6 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@batpred They offered both, I went with Pro. As an amat...
By baroquebank , 1 day ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 3 days ago
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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 , 3 days 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 , 3 days 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 , 3 days 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 days 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 , 4 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 4 days 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 , 5 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 , 5 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 , 6 days ago



