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Last seen: Sep 13, 2026
@vincro We have a similar sized 1950's semi with a 2005 extension, lots of glass and an open fireplace. Our heat loss was calculated at 6.2kw and...
@jamespa Thanks. The numbers posted above were just for the coldest day over the last few weeks. Looking through the bright app it's similar ac...
@batpred Here's the latest Fogstar ready built pack. £1849 (although has been cheaper and will likely be cheaper at some point when they have their...
This is why I gave up on the idea of islanding quite quickly. The final straw was potentially having to install an 8ft earth rod in my drivew...
@batpred In all fairness you haven't provided any help at all, just links to some unknown and untested batteries from a random eBay account. It w...
@transparent Although we don't export, we were offered 6kw (around 25A) export on our application with UKPN. I suspect there may be some "local" ...
It's not actually essential that your inverter and batteries have communication. Ours will run happily with the communication cables removed. The BM...
The earthing requirement (to protect the engineers who may need to work on the supply when there is a power cut) is not provided by the inver...
@batpred It's a shame you haven't bought any of these cheap batteries so that we could find out some more information about them. Hopefully you w...
@swwils Definitely for the money I think Fogstar are almost impossible to beat in the UK, certainly without taking an unnecessary risks for a (pote...
@transparent Thanks. A double pole RCBO was installed in readiness for our installation. Thankfully we had an excellent electrician who installed...
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Latest Posts
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RE: Tesla Powerwall (2) Calibration Cycles
@old_scientist You mean you didn’t know about that secr...
By Toodles , 7 hours ago
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RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
That sounds like a better approach (being able to see a...
By cathodeRay , 7 hours ago
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RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
Thanks for the reference @jamespa I can't see any te...
By Transparent , 8 hours ago
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RE: battery storage without solar
Indeed, current on the grid input = current used for ch...
By bobflux , 9 hours ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu @papahuhu A lot of tears and sweat went into ...
By Andris , 12 hours ago
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RE: Getting closer to a finished Haier system
Very nice! Congratulations. Big MLC looks neat whe...
By bobflux , 17 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
We have the same problem, 12 mature trees clip the morn...
By Papahuhu , 1 day ago
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RE: Solis inverters S6-EH1P: pros and cons and battery options
I had a battery and inverter installed a while ago, my ...
By Batpred , 1 day ago
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RE: Is This Initial Free Quote From Octopus Trusted Partner Reasonable?
@ltron2 The EPC on our house is A-92, however that i...
By Rob of York , 2 days ago
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
The layout is confusing - much better like this: We b...
By downfield , 3 days ago
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RE: Is it just me, or does tradesperson timekeeping and communication drive you absolutely mad?
My experience, backed up by opinions from various frien...
By Majordennisbloodnok , 3 days ago
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RE: Analysis of the economics of switching to an A2W ASHP compared to other heat sources
I had a meeting today with a company based out of Swede...
By Mars , 3 days ago
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RE: Review your electricity provider
We were with Octopus in our old house and it was fault...
By ian33a , 3 days ago
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RE: Estimating true heat loss from twelve months of consumption data
I did, indeed, go with the 12 KW Vaillant unit.  ...
By ian33a , 3 days ago
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