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Last seen: Sep 1, 2026
@papahuhu yes, extremely hard to compare like with like. We have 24.6kW batteries and with max charge/discharge rates at 2.7kW we can't fully operat...
@papahuhu I have pretty good data. Notes: 100sq m is very old listed building 100 sq m is modern extension First 2 years ran on fixed flows 55de...
Possibly useful to look at 3 months Jun, Jul, Aug and compare with previous years 2026: 2635kWh 2025: 2271 2024: 2239 2023: estimate 2140 inc...
I think i can reuse or adapt most of our previous documents used for planning & LBC - extension 2014 - ASHP 2020 - solar 2021 And using Ch...
My overall feeling is that I'm very happy with air to water. Particularly as we have underfloor heating - I don't think that could be bettered by any ...
@editor msny thanks for comprehensive reply.. I'malmost t certain it will need permission as the ashp did... and the extension itself did. Sadly t...
@etchedpixels i don't look forward to all the listed nonsense! But happily bats will not be involved.. no loft or roof space to access. I think ...
Aircon is aka air to air heat pump so, as with air to water heat pumps, they're highly efficient. Getting 3x kwh out for each kwh in. Ehether heating ...
Fwiw... our July in Somerset was consistently sunny for most of the month. The GivEnergy app does not tell full story on exports as there was more f...
@chandykris we too have ashp. Bad initial setup but fine now with weather compensation. We have EV too... Imports/exports get a bit exaggerated by f...
@chandykris i think many of us would do things differently with more knowledge... and as tech moves forward Our bigger system typically produces aro...
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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 , 16 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 , 17 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 , 18 hours ago
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RE: battery storage without solar
Indeed, current on the grid input = current used for ch...
By bobflux , 19 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 , 22 hours ago
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RE: Getting closer to a finished Haier system
Very nice! Congratulations. Big MLC looks neat whe...
By bobflux , 1 day 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 , 2 days 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 , 2 days 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 , 4 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 , 4 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 , 4 days ago


