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Last seen: Jan 8, 2025
I missed that about the new radiators. I had all new rads and pipework fitted (I had no central heating before) and it was about £4.5k extra for every...
@Katcesca, Hello and welcome. I think you've summarised the issue very well. You're comparing heating some of the house some of the time with all ...
I'm not exactly sure what nominal is; I think it's the compressor speed its official ratings are done at. P55 of the data book gives some info. Min i...
@bialk An 8.5kWEcodan will be able to modulate down to 3-4kW at your flow and ambients. Have a look at page A-57 here. If it takes yours less ...
My 14kW Ecodan can modulate down to 30-35% of its nominal output. Mine will start to cycle at about 10 degrees ambient, sometimes a little more. As ...
Firstly, Melcloud isn't great at controlling the Ecodan. I don't know where the -39 comes from but you can set where the room temperature is monitore...
Some more information required, as a start: Are you running in Weather Compensation mode? What is the outside temperature where you are? Have ...
If ASHPs are to be mass-market it has to be a version of B. but with some expectation management included. Hardly anyone tinkers with their car a...
@marvinator80 looks like you could squeeze in some 12mm ply?
On one of the other heat pump forums, a chap has taken all the COP data from a 11.2kW Ecodan, and the degree days data from where he lives and modelle...
Hi Sali, good to hear you made some progress. I think once you have all the pumps and valves sorted out things should be better. I'm afraid I know...
Sali, this is mine; running steadily then doing a defrost. You can see the 4-5 degree gap and the delay in return following flow. BTW I'm doing s...
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Degrees of Separation
Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Not a problem; that’s why I left it as it was. The pers...
By Majordennisbloodnok , 3 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 , 12 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 , 2 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 , 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 , 5 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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