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Last seen: Sep 15, 2026
Assuming the heat loss figures are accurate, the radiator sizings look sensible. We have Flow Regulating Valves (FRVs) installed on almost all our ra...
@editor I am all in favour of provocative titles that make people pay attention. However, we also need to be careful. These shows ar...
@editor Mars, it is really great that you have set up this forum for discussion and learning. Unfortunately, we always learn more from our mistakes t...
@editor thanks for being so open about all this. All of us like to be open about our successes, but it takes courage to admit when things have gone w...
@editor I hope you have at least a partially working heating system for the winter?
@drei are taking measurements from the heat pump, or do you have an independent monitor? The reason for my question is that heat pumps are not espec...
@editor oh dear, very sorry to hear about that. I hope you get it sorted soon.
@ashp-bobba fascinating explanation, thanks. I have a physics degree and worked as an IT architect for 40 years, so I can understand this kind of sy...
We should also consider the importance of the manufacturer's role in setting design guidelines for installers. As an example, Grant UK seem to reco...
If you have enough space, you might consider opting for a larger hot water cylinder. That would reduce the risk of running out of hot water. However...
@drei your proposed radiator design looks inadequate to me. The first and second floors look OK, but a shortfall of 59% on the ground floor at 45C is ...
@editor like @jamespa, I had a list of test questions: What SCOP will you design for? Can you show me evidence of achieving that SCOP on your ins...
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