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Last seen: Oct 13, 2026
I've got some additional insight into this via the recent sources of data capture from the heat pump that I'm now able to analyse, and which finally o...
There's a really interesting point made by Thomas from Octopus at around 38:45 in the video where he's talking about methods of heat pump running, ess...
This is my heating usage data for the last 30 days, for a 10kW R290 Mitsubishi Ecodan being run via Havenwise (NB: figures as reported by the heat pum...
A very interesting episode, and it was good to hear a constructive discussion from a group of contributors who are rivals within the same space.One th...
I signed up to Havenwise control on the day after the heat pump was commissioned so, unlike you, I don't have any prior data to compare to. I'm intri...
I read this thread with some interest a couple of weeks ago, but was initially put off by the prospect of having to open up the heat pump and fiddle a...
@jamespa I've recently completed our MCS survey. The heat pump was commissioned on 25th June this year, and the first request from MCS to complete th...
Totally agree that any system is reliant on the ability it provides a user, either directly or via a 3rd party, to interact with it. A significant fa...
Using Havenwise replaces the need to do anything directly with MELCloud, in terms of operating the system. If you opt for Havenwise control, the MELC...
Yes, I use Havenwise for hot water, which is currently set as a 50C requirement at 6am with a 'top up' to 40C at 4pm if required. By coincidence of t...
I don't have any obvious issues with the MELCloud data updates, other than the fact that energy usage stats are only available on the following day ea...
Yes. I've analysed everything and reconciled it to the Octopus invoices (or the daily cost and usage estimates for the days awaiting invoicing) so th...
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Degrees of Separation
Latest Posts
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@razz, as we head into the heating season, I just wante...
By Mars , 17 minutes ago
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RE: Renewables & Heat Pumps in the News
I worked partly in computer security. I saw things that...
By EtchedPixels , 40 minutes ago
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RE: How quickly would you want/expect heat recovery to take from setback?
That's the issue, those graphs show your heat-pump (in ...
By Temperature_Gradient , 5 hours ago
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RE: How should the Boiler Upgrade Scheme be reformed?
Not quite, regular A2W heat-pumps need a load of extra ...
By Temperature_Gradient , 2 days ago
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RE: Heat Geek installations: share your experiences
one thing i learnt from reading people’s comments and e...
By Batpred , 2 days ago
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RE: Cooling/heating with one unit
"The way we use A2A on a cheap overnight EV tariff is t...
By mrkfm , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
We have ‘signed on the dotted line’ today for a Panason...
By Toodles , 2 days ago
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
...or it was there and was lost thanks to laziness and ...
By Majordennisbloodnok , 2 days ago
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@bobflux Thank you for your response. I am trying to ...
By RonV. , 2 days ago
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This post is about how I successfully configured a buff...
By Tony.Stolz , 2 days ago
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The installer visited yesterday and suggested the noise...
By JamesChatz , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Your house sounds a lot like mine. 2 surveyors each sp...
By JamesPa , 2 days ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
Thats true only if you do the wrong experiment. Done c...
By JamesPa , 2 days ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 3 days ago
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