Last seen: Oct 12, 2025
In milder weather, I know my radiators can only dissipate the heat being produced at a flow temp of 32-33C, so I set the WC to around this temperature...
We've only had our solar since last June, but so far for me it's been very accurate and within the published standard deviation each month. Yes, ...
Same here @jamespa - we have a 12kW Samsung ASHP, solar and are currently considering adding a Tesla PW3, but no way do the numbers stack up financial...
Yes, that sounds correct. I would say try both options and see which works best for you. I wouldn't aim too low though, if you already know 34C is re...
Congratulations @toodles, that's a fantastic result. Well done! I know I would have loved the opportunity to visit a heat pump installation before c...
I think the issue is that MCS recommends 23C for bathrooms, which requires large emitters, and as mentioned above most towel rails simply do not emit ...
Besides the TOU tariff issues, where we may save usage at one rate and then use more in recovery at a cheaper rate, I find an overnight setback is mos...
There was a recent thread over on the openenergymonitor forum discussing the issue of Vaillant 7kW unit not being able to deliver anywhere near 7kW (s...
It might do, try it and see? As the majority of your usage is showering, where the hot water will be blended down to ~38C, heating it hotter should ...
Estimating COP for DHW is complicated by the fact that the flow temperate is not constant, but rises steadily over the heating cycle. Manufacturers ...
In the summer you can see another problem, where the pumps will run after 24h of inactivity to prevent pump seizure. This can be a pain if you have a ...
Yes, I already run in the Samsung equivalent Quiet Mode for DHW, which limits output to around 70% and which is more efficient. Now I'm looking at t...
Latest Posts
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RE: Radiator sizing for heat pump installation by British Gas - are these correct?
You are spot on. I don't know TBH as I don't have ...
By JamesPa , 38 minutes ago
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RE: Heat loss calculations and how they work in conjunction with heat pump sizing
It's not necessary to be precise, it's only necessary t...
By JamesPa , 53 minutes ago
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RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face
@Fiona, you can also send me the report if you'd like f...
By Mars , 3 hours ago
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RE: Ecodan Energy Monitoring Pack
Interesting. I tried very hard to monitor energy consum...
By Carpenterstation , 4 hours ago
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RE: Daikin Octopus installation update - I saw my first defrost. 😍😂
@editor Just had my first defrost of this season. ...
By Mike Patrick , 4 hours ago
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RE: Renewables & Heat Pumps in the News
@batpred We run our aircon in the summer not just to ke...
By dgclimatecontrol , 5 hours ago
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RE: New Fogstar 15.5kWh upright solution
You're intending to link up a wind turbine? How would...
By Transparent , 6 hours ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
That will be producing significant losses due to phase ...
By Transparent , 21 hours ago
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RE: Isolating the system for a planned power cut
When I said we'd need to know more about the RCD, MCB a...
By Transparent , 21 hours ago
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Which tells us something (including possibly everything...
By cathodeRay , 23 hours ago
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RE: Flexi-Orb Heat Pump Scheme Update: Progress, Pilots and Why This Matters for Homeowners
Thanks for sharing. Sounds promising, ISO are indepe...
By Batpred , 1 day ago
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RE: Specifying batteries, pv solar etc using ChatGPT
I have been positively surprised when I asked it to spe...
By Batpred , 1 day ago
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Thank you. That simultaneously answers my question abou...
By Transparent , 1 day ago
