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Last seen: Nov 3, 2025
@derek-m after mapping my w/m2 (input, not after COP) to ambient I am getting fairly confident with the power demand expected from the ASHP. From the ...
@littlered below are the codes you need to access the units settings Looks like this should be your controller This is the user guide - HERE T...
@kev-m that was thanks to two things I balanced my radiators (around the 1st of November) I adjusted the weather compensation (3rd November) afte...
@littlered pretty sure what you are doing is actually the worst way to run your heat pump. The view you will find has two basic steps Find your he...
@derek-m I imagine there are a range of factors which will affect it. Given how cold it currently is, I'm not too bothered. However a better COP would...
@warren-s just go to that link and there is an option to download your own copy. Then you're off
@warren-s this should do you You'll have to download your own copy as it's read only
@kev-m given I use my meat thermometer to measure hot water pipes - I'm not convinced that I am perhaps good at either
@derek-m I did just have a look with my meat thermometer On the ASHP controller it says I should be 43 and 37 on my inlet/outlet. From my science of...
@warren-s I posted a calculator on here where you can input your own U values. Just have a look
@editor I just did some quick maths to work out what I would be paying in gas vs electricity. My gas price is 4p/kw and I know my efficiency was 68% -...
@editor no idea. But only 3 or 4 panels of the 6kw facing south are actually getting any sun... It won't be too much longer. But all this cold and cle...
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Latest Posts
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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 , 28 minutes 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 , 21 hours 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 , 1 day 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 , 1 day ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 1 day 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 , 3 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: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 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



