
Last seen: Sep 12, 2025
@derek-m, thanks Derek. In our case, the installers asked us if we wanted to "keep things as they were" – the answer from us was yes, because this is ...
I appreciate your efforts and patience – when you're familiar with the way something works, it's easy to get frustrated when people don't get it. Heat...
Not sure what you mean by timers. Smart TRVs on all rads. Yes, we have a buffer tank. We also have three smart thermostats for UFH (in three zones) an...
@heacol. Thanks Brendan. We probably have too many controllers and smart thermostats, which is probably an oil boiler mentality, and this prohibits us...
@derek-m, I always take on board what you write. The issues that arise, in our case anyway, is that we've asked Global Energy Systems several times to...
@heacol, that's a good point about COP and leakiness. Our issue was heat emitters - when we added Stelrad K3s it made a world of difference in the c...
Fabric first to achieve low flow temperatures I guess. Our insulation is good to very good, but we still leak some heat. Getting better though.
@heacol, does you customer have very good/excellent insulation?
It's been a while since you post Ken – any updates on your ground source?
@heacol, I had no idea the flow temperature should be so low (20C) in November. We're currently running at 35C (manually set) at it feels about right ...
@caroline2000, as Brendon has stated, it's not all doom and gloom, and you can get these systems to work more efficiently. We use a lot of electricity...
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Funny story Graham, when I started looking to ...
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