Last seen: Sep 14, 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: Big Changes Coming to Our Heat Pump System
You are too young, 50s-60s expression (or earlier?) whi...
By JamesPa , 6 minutes ago
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RE: Heat Pump Damage on install - useable or dealbreaker?
Definitely that one, more important than the fins proba...
By JamesPa , 11 minutes ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@benson - looks like good work, and thanks for posting ...
By cathodeRay , 31 minutes ago
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RE: Electricity price predictions
@diverted-energy sounds like good tariff for you. Octop...
By JulianC , 12 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
In the last week, the external temperature in south Man...
By GrahamF , 14 hours ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 14 hours ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 15 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I hear you on the locality issue @transparent, and I ag...
By Scalextrix , 17 hours ago
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Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 18 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump Referring to the problem of rooms with diff...
By Tasos , 19 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
By JamesPa , 20 hours ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 2 days 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 , 3 days 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 , 3 days ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 4 days 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 , 4 days 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 , 4 days 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 , 4 days 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 , 4 days ago
