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Last seen: Aug 3, 2026
Yes, I agree with your points. However, the risks are different in nature. If you oversize a heat pump, then the risk is that it is less efficient. ...
@batpred I suspect there is probably a heat pump owner maturity curve. People start by trying to get the last 5% efficiency out of the system. The...
@jamespa I am really impressed that your heat loss estimate was so accurate. May I ask what kind of house you live in? In winter, when we had the g...
@jamespa yes, I agree it doesn’t need to be perfectly accurate - only enough to ensure you size the system to a reasonable level. Do you now have fir...
@Fiona obviously redact any sensitive information.
@Fiona I am really sorry to hear about your awful situation. There are few things worse than being really cold in your own home. As @jamespa has su...
@agentgeorge Back to the Future with the flux capacitor!!
@jamespa unfortunately, I don't think heat loss calculations can ever be terribly accurate. Our house was built in 1968 and has a real hotchpotch of ...
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...
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