Last seen: Sep 12, 2025
A standard wire-wound transformer will be at least 90% efficient, even if the coils have been hand-wound by a blind-man with three fingers missing. ...
Great questions @bretix and extremely wide in their scope.We will have to explore these avenues in a number of steps because there's not enough hours...
Is the transformer just that?... converting 240v AC to 12v AC? Or is it an 'electronic transformer'?... a switched-mode power supply in a plastic bo...
Erm @toodles the 'Head of Markets' title is what Ms Dykta has been called whilst still working for NG ESO.It's reasonably accurate, and matches the ro...
To some extent, yes. Anyone supplying energy to others requires a licence to do so, even if they're just a local non-profit Community Interest Company...
This is going to be a problem with NESO recruiting staff from the commercial sector (National Grid).They are probably unaware of how ingrained is that...
Givenergy had a visit from Ed Miliband MP in March'24.He was presumably doing his homework in advance of an election being called. When looking at C...
I think we're agreed on that point @johnmo Hydrogen produced from surplus renewable-generation is therefore a good example of a Locational Storage ...
'They' are no longer Ministers and civil servants creating policies in Whitehall. 'They' are the Directors and senior management of the National Ene...
To ensure we keep the physics in mind: 'Natural gas' has a Calorific Value of around 39 MJ/cubic-m, with a statutory minimum of 37.The CV of Hydroge...
@lucia - Whilst looking for something else, I've come across a Submission by NG ESO to the Commons Select Committee on ESNZ last autumn, which ends w...
Latest Posts
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RE: Humming sound on new install.
Well at least its well insulated, but Im not sure that ...
By JamesPa , 55 minutes ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 1 hour ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 5 hours ago
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I didn't want to say that, bus since you have said it n...
By JamesPa , 5 hours ago
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RE: Midea ASHP – how to set weather compensation
Mostly, I think, but with some caveats. I set the TI...
By cathodeRay , 8 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I have been working on network resilience for a while. ...
By Scalextrix , 10 hours ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 1 day ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 1 day ago
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RE: Who’s Caved and Switched the Heating On Already?
@allyfish Dogs have owners - Cats keep staff. You are o...
By Toodles , 1 day ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 1 day ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 2 days ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 2 days ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 3 days ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 3 days ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 3 days ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 3 days ago
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 3 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 3 days ago
