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Last seen: Jan 8, 2025
@yogabob I edited your post to split into paragraphs. A lot of people wouldn't bother reading it as it was (I nearly didn't!), which would be a sh...
@cathoderay, That particular graph displays a minimum of 24 hours and is presumably designed to show a long term picture, where it may be useful to ...
Just to be clear, the above comment refers to "The industry did try to do exactly what you are asking and came up with the buffer tank, system separat...
@pipcart When the ASHP COP is tested it's not done in a real house but on some sort of test rig. On the test rig, even though the flow is only 20 d...
Hi @pipcart, Your ASHP is barely ticking over and is almost certainly starting and stopping a lot. It has a baseline power consumption just to keep...
@heacol fair enough, although that sounds like an attempt at a one size fits all model, which isn't right. Good luck with what you're doing; the ...
This is much harder now! A few questions: Are you letting WC control room temperature or are you using thermostats; either Mitsubishi or 3rd party? ...
I was fed up of Derek getting all the plaudits, this is just the start for me!! 😆
@Derek-M understood what I meant. I wasn't referring to heat losses, I was referring to standard system designs for different situations that could b...
I assume you have tried tapping on the greyed out options? If they are available, doing this un-greys them.
The housing stock is indeed very different. There are extremes; houses that will always need a bespoke approach with individual, expert input. But t...
@Leftbacks, it's hard to say but most ufh systems seem to work around 35-40 degrees. Maybe others with ufh can comment. My house was built in 1990 an...
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Degrees of Separation
Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Thanks for the update. Vaillant is a good choice, their...
By Batpred , 2 hours 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 , 8 hours 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 , 1 day 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 , 1 day 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 , 2 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 , 2 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 , 2 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 , 2 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 2 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 , 3 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 , 4 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 , 4 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 4 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 5 days ago
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