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Sheriff Fatman
@sheriff-fatman
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Joined: Apr 20, 2025
Last seen: Jan 12, 2026
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Topics: 2 / Replies: 173
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Reply
RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira

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...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 10kw heat pump run in 24*7 data?

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...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira

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...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Melpump Users Anywhere?

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...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Melpump Users Anywhere?

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...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Renewables & Heat Pumps in the News

@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...

2 months ago
Forum
Well & Truly Off The Grid
Reply
RE: Mitsubishi Ecodan R290 10kW performance

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...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan R290 10kW performance

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...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan R290 10kW performance

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...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan R290 10kW performance

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...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan R290 10kW performance

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...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan R290 10kW performance

I have the same 10kW R290 heat pump as you, installed in June, and currently being run via Havenwise on the same Intelligent Go Tariff. I see similar...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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