Last seen: Mar 6, 2026
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...
My Samsung system does the same, and it's due to the Samsung Anti-Freeze protection feature. When the OAT is below 5C (risk of freezing) AND the sys...
Surely it is not beyond the capabilities of a government department to sit down with the relevant bodies to weed out the projects that are never going...
As you say, short cycling can occur during milder ambient conditions where the flow temps are reduced and the radiators/emitters then cannot dissipate...
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RE: Electricity price predictions
Due to the ongoing geopolitical events, looks like Octo...
By ChandyKris , 47 minutes ago
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@petch Yes, if the flow and return pipes immediately sp...
By Old_Scientist , 8 hours ago
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RE: Home energy storage & battery register
Hanchu ESS - Home-ESS-LV9.4K (9.4kWh) Plus 1 for my ...
By Wino99999 , 8 hours ago
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RE: Noisy Grant Aerona 3 13kW ASHP question
Hmm. When they say the pipes are in the walls, is this ...
By Prunus , 9 hours ago
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RE: Daikin Altherma 3 LT compressor longevity question
@ubert767 We recently had the 8kw Daikin installed a...
By Bash , 13 hours ago
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RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
It has been some time since I posted comments about Eco...
By Dwynwen , 13 hours ago
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RE: Forum updates, announcements & issues
Something big is coming to Renewable Heating Hub! Ove...
By Mars , 16 hours ago
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RE: A Single Voice for Heat Pumps, But Will It Finally Raise Industry Standards?
From what I’ve read, the Heat Pump Association UK is me...
By Jonatan , 18 hours ago
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RE: Tell us about your Solar (PV) setup
Pylontech US5000 stores about 4.3 kWh accounting for in...
By bobflux , 19 hours ago
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RE: Underfloor Heating Installation Issues with Heat Pump
Hi @martinhook_uk @bobflux The installer is making g...
By Maximumdo , 20 hours ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
Hi all, Just an update on where we are with the "Consta...
By DEdwards , 20 hours ago
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RE: How to control DHW with Honeywell EvoHome on Trianco ActiveAir 5 kW ASHP
Well I've had an interesting few days and would like to...
By giganto , 1 day ago
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RE: Peak Energy Products V therm 16kW unit heat pump not reaching flow temperature
Yes, here's mine. From the service manual parts numbers...
By bobflux , 2 days ago
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Had to learn the hard way 🤣 now I'm sharing T...
By bobflux , 2 days ago
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RE: Issue with a Grant Air Source Heat Pump & Tado Smart Thermostat
Im assuming from your original post that hysterisis ref...
By JamesPa , 2 days ago
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RE: Heat Pump vs New Gas Boiler for Inherited House - Worth the Extra Cost?
Hi @fretless6 Mike, I have experience with Taggas (Re...
By Old_Scientist , 2 days ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
Now seems a good time to summarise the costs and effici...
By benson , 2 days ago
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RE: Connecting Growatt SPH5000 over wired ethernet rather than wireless
The simplest wired option is usually the Growatt Ethern...
By Jonatan , 2 days ago
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RE: Jokes and fun posts about heat pumps and renewables
Technology is rapidly advancing. BBC News reported th...
By Transparent , 3 days ago
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RE: Do Fridges and Freezers have COP ratings?
@editor Thank you all for your replies and submitted in...
By Toodles , 3 days ago
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I know and yes. The secondary deltaT wont necessaril...
By JamesPa , 3 days ago
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RE: Designing heating system with air to water heat pump in France, near Lyon
Just love the way you put it! 🤣
By Batpred , 4 days ago


