Last seen: Jan 29, 2026
Just had a go at this - scored 83. Not bad for just a homeowner with an ASHP and an interest in system design and how to extract the most efficiency. ...
Over the last 6 days we've done 8 re-heats up to 42degC on our 300l cylinder.Total energy consumed: 13.853kWh [1.732kWh per re-heat]Total heat energy ...
@old_scientist Sounds like that could work for you. Whilst staying on Agile, it may be worth shifting your usage pattern to what you would inten...
@irmartini this graphic may be helpful - plucked from the Octopus site at /octopus-smart-tariffs/
Ah great, keep us posted on how it's going - will be interesting to compare 🙂
I agree, this does seem to be an overall improvement: not only is there an extra 'dip' but all the dips are 'deeper' and the peak is less high compare...
Indeed, the Agile rates for this month until today have not been especially exciting. I'm on the waiting list with the DNO for getting an export MPA...
Heat Geek have a good article on this. I normally heat the DHW to only 42degC, but we have a high turnover. It gets plenty of extra temperature in the...
To help bolster the rather small number of NIBE owners on here, my ASHP is a F2040-12. I have this hooked up with the OpenEnergyMonitoring kit - lin...
@toodles I can also happily report that the Agile tariff is has been working very well for us since we switched over in early February - easily halvin...
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RE: If a heat pump can only heat DHW to 50C then what? Issue with 18KW Heliotherm heat pump
Hi, Nothing yet. I've asked customer to measure flow...
By errmm , 5 hours ago
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RE: High Temp Heat Pumps for fast warm-up of house
I don't know exactly how long it takes to heat up (and ...
By JamesPa , 7 hours ago
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RE: Need help maximising COP of 3.5kW Valiant Aerotherm heat pump
OK. What Im seeing looks fairly normal TBH: 1 start ...
By JamesPa , 7 hours ago
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RE: Vaillant Tech Support Flagged Low DT: UFH Return Cold, Suspected Zero Flow
@editor thanks for the tips which I will try before cal...
By DavidB , 9 hours ago
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RE: Daikin 6kw setup with Dixell controller
@jamespa Many thanks for your reply, a very detailed an...
By CraigH , 9 hours ago
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RE: Exploring the role of alternative clean heating solutions - Government Consultation
Despite reservations, I found some time to respond to t...
By Rusty , 9 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@crankplus, nope, still not, and I've followed up with ...
By Mars , 9 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@agentgeorge Probably, but temperature change at -10 ha...
By AndrewJ , 10 hours ago
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RE: External wall insulation - your experience
To be clear, my experience was very positive. The journ...
By Batpred , 12 hours ago
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@foxesfan Re: ‘Servicing’ as @editor has covered in his...
By Toodles , 12 hours ago
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RE: A Smarter Smart Controller from Homely?
@benson No idea why mine doesn’t work, all I see on ...
By Papahuhu , 13 hours ago
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RE: Battery sizing - How low can you go!
It seems I am seeing something similar to what you do, ...
By Batpred , 14 hours ago
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RE: Gaslighting in the heat pump industry – has anyone else experienced this?
Don’t know if this is relevant to this thread, but my A...
By Gruff2001 , 14 hours ago
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RE: Bosch CS5800i 5kW - Experience So Far
@majordennisbloodnok While getting Home Assistant runni...
By Steelbadger , 1 day ago
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RE: MCS - BS EN 12831-1:2017 – Heat Loss Survey
Since May 2025 it no longer a requirement in England to...
By JamesPa , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handel @jancold Manufacturer: Daikin Model: E...
By Jancold , 1 day ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@harriworld it was roughly 3am for an hour as that’s ...
By L2jad , 1 day ago
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RE: Hoped for improvements not being realised on my Mitsubishi heat pump
I have been wondering that myself. The fact is that, ...
By JamesPa , 1 day ago
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RE: Filtering Tap Water – Share Your Setup for Cleaner, Better-Tasting Water
I remember when I was in my early 20s I was introduced ...
By Majordennisbloodnok , 2 days ago
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RE: Setback savings - fact or fiction?
But if it is recorded an an integer, which it seems it ...
By cathodeRay , 2 days ago

