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@editor
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Illustrious Member
Joined: Feb 11, 2021
Last seen: Aug 18, 2025
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Topics: 305 / Replies: 3077
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RE: Fine tuning your ASHP performance

Regarding people not replying to responses is not uncommon on forums. It's not a waste of time though, because this content is available to everyone...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fine tuning your ASHP performance

@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 ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fine tuning your ASHP performance

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...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fine tuning your ASHP performance

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...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fine tuning your ASHP performance

@heacol. Thanks Brendan. We probably have too many controllers and smart thermostats, which is probably an oil boiler mentality, and this prohibits us...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fine tuning your ASHP performance

@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...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fine tuning your ASHP performance

@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...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fine tuning your ASHP performance

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.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fine tuning your ASHP performance

@heacol, does you customer have very good/excellent insulation?

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Finally got two quotes

It's been a while since you post Ken – any updates on your ground source?

4 years ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: Fine tuning your ASHP performance

@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 ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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