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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: Siting of the external sensor on a heatpump
I agree. However I would also (primarily) expect that ...
By JamesPa , 8 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
You should (almost) always reject having a buffer, by w...
By JamesPa , 12 hours ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 15 hours ago
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RE: Is it the house or the equipment?
@majordennisbloodnok I do sympathise. On the original...
By springswood , 17 hours ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 21 hours ago
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Sorry to hear about the problems, its going to be somet...
By JamesPa , 22 hours ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 1 day ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 2 days ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 2 days ago
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 2 days ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 3 days ago
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 3 days ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 3 days ago
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RE: Tell us about your Solar (PV) setup
We have a 6.56kW solar PV system (16x 410W panels) inst...
By Rob of York , 4 days ago



