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Last seen: Oct 23, 2026
The efficiency gain through weather compensation gets less at low flow temperatures, and is probably around 2% per C or less at 32 and you are already...
4 hours isn't very long, houses have a large heat capacity (ie energy stored in the fabric) and can therefore take a day or more to reach a steady tem...
Welcome to the forum, you will find that people here are very willing to help. To answer this properly we need to know a bit more eg what was the as...
Sensible IMHO, varying the target FT might give a clue!
OK I must admit Im a bit stumped. Reducing it to its basics, the heat pump does not appear to be reaching the flow temperature you have told it t...
OK. It does sound like its possibly the system not the heat pump, thats limiting the output, and since room temp has dropped then there quite possibl...
Radiator manufacturers generally provide either outputs at lower temperatures, an equation, or the 'exponent'. For radiators other than fan radiators...
A few questions might help point us in the right direction: Is the buffer tank plumbed 2 port or 4 port? Is there a secondary pump on the emitter ...
Not irrelevant, but you shouldn't be throttling all radiators just to increase delta t, that achieves nothing other than to make the pump work harder ...
I'm not sure what you mean by better. As a general principle you should be fully opening the valve on the radiator furthest away/last to heat up and ...
Interesting There is a discussion about this hereand the discussion is consistent with the measured AC potential. Since it's the IET it's pro...
genuine the frame was live, meter on it [/quote] Live AC or live DC? not that either should happen!
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Mars asked for an update on progress so …. Out HP has...
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RE: How much of your renewable and home setup would still work if the internet went down?
Yes I actually have a copy of a tool that whenever a ce...
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RE: How will removing the standing charge on gas bills benefit heat pumps?
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RE: Indevolt Batteries UK Support & Info Thread
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
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@transparent we’re still running a secure version of PH...
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RE: How quickly would you want/expect heat recovery to take from setback?
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Obviously the weather is changeable but there's a defin...
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RE: 15kw pump for 225m2 1990's house - over kill?
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