Last seen: Sep 27, 2025
Yes, we can come to loading factors and wind-lift later. That's substantially down to the choice of mounting rails and the rafters which the roof-br...
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...
Latest Posts
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RE: Large heat pump options for church building
I should think that a heat loss calculation might be a ...
By Toodles , 13 minutes ago
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RE: Do I just go with the lowest quote for my heat pump?
@jamespa This is a very wise procedure to adhere to to ...
By Toodles , 25 minutes ago
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RE: Say hello and introduce yourself
I've started a topic in the Heating Alternatives sub-fo...
By wully , 2 hours ago
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@toodles Im trying my best but it is getting a tad tedi...
By bontwoody , 2 hours ago
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RE: Samsung Gen 6 - Schedules not working
@old_scientist thanks for trying. I do have a copy of t...
By bontwoody , 4 hours ago
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RE: Seal the Deal: Don't Let Your Heat Pump Leak Energy
Indeed. If the primaries are not big enough to carry th...
By Old_Scientist , 6 hours ago
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RE: DNO export limit problems.
How big is your proposed solar array? I have 7.2kWp a...
By Old_Scientist , 6 hours ago
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RE: Clivet ASHPs and weather compensation
It sounds like weather comp may not be activated. Give ...
By Simon Wardle , 8 hours ago
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RE: Which thermostat should I get (or do I need one?)
OK I've thought some more about this. I think you have...
By JamesPa , 11 hours ago
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RE: Help me keep the faith with my air source heat pump installation
I just looked at mine. My flexis (which run horizontal...
By JamesPa , 11 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Manufacturer: Vaillant Model: Arotherm Plus 7kW Typ...
By MatWin , 21 hours ago
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@papahuhu Sounds as though you need to speak to your in...
By Toodles , 1 day ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
Signed.
By Morgan , 1 day ago
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I ‘did the math’ for Nov. to the end of April to be on ...
By Toodles , 1 day ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@tasos automations on Home Assistant so if there is a p...
By benson , 1 day ago
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RE: Sizing - Save me from my headache
Mitsi 8kW has a 6kW variable and 2kW fixed compressor s...
By JamesPa , 2 days ago
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@drei your proposed radiator design looks inadequate to...
By GrahamF , 2 days ago
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RE: Why does an ASHP provide a more comfortable environment than a gas boiler?
Actually, I think the issue is the different rate of he...
By AndrewJ , 2 days ago
