Last seen: Aug 25, 2025
Battery enclosures: The majority of storage batteries installed in UK are LiFePO4, operate at 52v nominal and have a capacity of 4-5kWh.Each box has...
Wow! Please slow down @jamespa and @bontwoody - You're opening far too many issues at once! I can provide the technical background, together with ty...
News Flash. On another topic a few months ago, I was asked why I use such a mix of MCB trips from different manufacturers: And here's the answer...
I need a few hours to consider what you've just posted @korwraithand what EDF mean when they write "the change has only just been made" I should let...
The anti-vibration mounts being referred to on a checklist could be heavy rubber 'feet' beneath the outside unit.Building Regs Part-L puts the onus on...
By all means, keep musing away!Adding a second Huawei Luna is more expensive in terms of £s per kWh. I was never able to provide an adequate ans...
Hmm; well that's a fairly consistent approach. The installers seem to have screwed both the lockshieldsand their customer ...
Yes. But when using batteries in parallel, you usually try to have them of the same capacity.The Huawei Luna battery is much smaller than any which yo...
The SunSynk 5kW unit gives you more kW per £ than the 3.6kW you linked to. I was suggesting a DIY wind-turbine rather than off-the-shelf.If you have...
No. You need two inverters to incorporate the 2.66kW array.Each inverter will have two MPPT inputs. That still gives you one 'spare' input for renew...
Ah yes. I'd forgotten the East/West split.So you will require two MPPT inputs for that arrangement. The Huawei Luna 2000 has a particularly low mini...
Yes.... hence my comments about theft-prevention on p.1 of this topic! Having longer hose connections also makes it slightly easier to maneuver a tr...
Latest Posts
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RE: Octopus replacing the fixed 15p/kWh export rate with a market tracking one
@old_scientist Thank you, that makes sense and I've re-...
By TRBob , 45 minutes ago
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
The Ultimate Guide to Heat Pumps is less than a month a...
By Mars , 1 hour ago
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RE: Rodents! A word of warning for heat pump owners
@tim441 Or as they didn’t quite say in the space travel...
By Toodles , 7 hours ago
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RE: Mitsu Wireless Controller and MelCloud
Update: I have found that the contractor had changed on...
By DavidAlgarve , 18 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor Hi Mars, We have just installed a Grant Aerona...
By GrahamF , 19 hours ago
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RE: Sanity check please. Battery storage and inverter sizing.
There are MCS guidelines about how close to the edge/ri...
By Old_Scientist , 22 hours ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I estimated our usage on the following basis. The mos...
By Old_Scientist , 23 hours ago
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RE: Why so many sigenergi installer recommendations?
It’s a really simple answer, GivEnergy. Installers ...
By SAEnergy , 1 day ago
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@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 2 days ago
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RE: Ecodan & MelCloud scheduling
I put the above question to Mitsu UK at the sme time as...
By DavidAlgarve , 2 days ago
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Thanks for the heat geek info. I've fitted my own heat ...
By bontwoody , 3 days ago
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RE: Does anyone have experience of a smart water meter?
Just to give a sense of scale, I've used the CCW water ...
By Majordennisbloodnok , 3 days ago
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RE: Powerwall 3 or Myenergi or something else?
We have a Tesla Powerwall 3, recently installed, so I m...
By Old_Scientist , 4 days ago
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RE: Mitsubishi PAR-WT60R-E Wireless Controller installation
@morgan They have been paired once but it was thought b...
By DavidAlgarve , 5 days ago
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RE: Isolating the system for a planned power cut
A great many ground-mounted local substation transforme...
By Transparent , 5 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Having bit the bullet and paid £250 for a service, our ...
By Old_Scientist , 6 days ago
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New heat pump heating system underperforming in Italy... Advice needed!
hi all, first post! I've just renovated a house in sout...
By robinlawrie , 6 days ago
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RE: Anyone still weathering it out with Agile?
I went to Agile when I had solar installed July last ye...
By NJT , 7 days ago
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RE: Say hello and introduce yourself
Whilst you're busy installing services (pipes and wires...
By Transparent , 1 week ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@editor I know it was formally announced at Ish the oth...
By PatrickVito , 1 week ago
