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Last seen: Oct 22, 2024
@iancalderbank, going back to your last post, thanks again for the enlightening explanation. I attached part of the calculations provided by the insta...
thanks @iancalderbank. So that's giving figures of 3.2 when it's cold, 1.4 when mild. When you say heat loss, what are these figures actually measurin...
Sorry for going to ground after your last posts @iancalderbank - I've been doing some of the homework you suggested! As it's turned out, last week and...
Ah well, so we've had our call with the installers. The calculations they are required to use (I assume required by ECO4) result in the 12kW heat pump...
Thanks very much again @iancalderbank for your advice above and efforts to help. I've started having a go at measuring as you suggest. In terms of som...
Thanks @iancalderbank. I've been looking at the installation company's calculations which give heat loss as approx 16,000 kWh/yr, which with 4000 for ...
Thank you very much for the replies, which are very helpful, and pretty reassuring in terms of the noise question. I'm going to do a bit of homework n...
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Degrees of Separation
Latest Posts
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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 , 5 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
Sooooo, what did we do in the end? We approached three ...
By Penval , 6 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 , 11 hours 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 , 13 hours 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 , 13 hours ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 14 hours 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 , 1 day ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 1 day 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 , 2 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 , 3 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 3 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 , 4 days ago
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