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Last seen: Aug 21, 2026
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...
With respect to the original topic in this post, back in the summer I had a 12kW ASHP (permitted development) and 3.645kWp solar array with 3.0kW inve...
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Latest Posts
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@old_scientist I’m thinking along the lines of a multis...
By Toodles , 15 hours ago
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Britain’s Heat Pump Shitshow is now available to pre-or...
By Mars , 17 hours ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 2 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 3 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 3 days ago
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RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 3 days ago
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RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 4 days ago
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Readers here please note that Derril Water and many oth...
By Transparent , 4 days ago
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RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 4 days ago
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RE: Heat Pump Training vs. Real-World Installation
Our instal was very much the opposite. White haired blo...
By Batpred , 4 days ago
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RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
By Batpred , 4 days ago
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RE: 'Chinese Diesel Heater' to heat the home .....
Old thread but I'm new to the forum so new to me. How...
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