Last seen: Oct 28, 2025
'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...
Yes, please take time to think... but don't be too concerned at learning these technical details. You might like to know that SunSynk have a special...
You said you're considering a wind turbine, and that you already have an inverter and battery installed in the house. Are you aware that most invert...
Yes, there are rooftop micro-inverters which will provide output at mains voltage. And some of those might do what you want...... but stay away from...
Those with A-levels in Science and Maths will appreciate that the parameters applying to the mounting of a pole (a lever) on a brick wall, are address...
Almost all PV panels now incorporate bypass diodes.But the ones I've actually taken apart and looked at are intended to bypass a section (column or ro...
Not mad at all... The people who most often succeed with a small-scale wind-turbine (less than 3kW) are doing it on a DIY basis.They succeed because...
You are asking all the right questions @david999Take time to chew over what you're picking up here on the Forum. Let me also point out the mechanica...
Erm, that won't do what you think... The PV panels are going to be wired as a series string in order to achieve the high-voltage input for the inver...
Latest Posts
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RE: Testing new controls/monitoring for Midea Clone ASHP
Thanks @grantmethestrength and @cathoderay . The reas...
By benson , 8 hours ago
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RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters
@old_scientist and @allyfish , thank you both for this....
By colinc , 10 hours ago
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RE: PV Panels on roof in Conservation Area
@jamespa Thanks for the input James, recording Oil usag...
By colinc , 11 hours ago
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RE: Midea ASHP – how to set weather compensation
@dgclimatecontrol - you have awoken me from my several ...
By batalto , 11 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@jamespa mine seems changing albeit not by much, 3.21, ...
By AdamK , 12 hours ago
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@majordennisbloodnok The migration hasn't started in th...
By HCas , 12 hours ago
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RE: Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems
Yep that's it, but the current design would re...
By DREI , 13 hours ago
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RE: Buying large amp bidirectional RCD and RCBO
There won't be many RCBOs with a 100mA trip rating beca...
By Transparent , 13 hours ago
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RE: Electricity price predictions
Because its what the investors demand, simple as that. ...
By JamesPa , 14 hours ago
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RE: One room is colder than the rest of the house
@jamespa thanks for all the advice. Just so you know, ...
By AndrewJ , 16 hours ago
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RE: Mitsubishi Ecodan R290 10kW performance
@dgclimatecontrol I only have 1 cylinder and I can conf...
By Ecoste , 16 hours ago
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RE: Daikin Octopus installation update - I saw my first defrost. 😍😂
My MMI is in the loft but I checked the pump flow rate ...
By RadWhisperer , 17 hours ago
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RE: Grant Aerona 3 and Drayton system questions
Good man/woman that plumber! Very likely....
By JamesPa , 17 hours ago
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RE: New build installation query
@paullacey Hi I have managed to save the fil...
By JamesPa , 18 hours ago
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Thanks for the response @batpred Your conversational ...
By Transparent , 20 hours ago
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RE: What should we do with our Aga?
One slightly off-the-wall suggestion is that, if you li...
By Majordennisbloodnok , 21 hours ago
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RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
If you paid for any of the assessments try asking for t...
By JamesPa , 1 day ago
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I've created a separate post here, wondering about radi...
By DREI , 2 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@ecoste, @walnut-tree-cottage these are both great piec...
By JamesPa , 2 days ago
