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Mars
@editor
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Illustrious Member
Joined: Feb 11, 2021
Last seen: Aug 26, 2025
Profile Activity
Topics: 305 / Replies: 3085
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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)
Reply
RE: Air source heat pump performance

@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...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Worcestershire ASHP

@batalto, as far as RHI is concerned there's no distinction between consumed or purchased from the grid.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My ASHP installation journey in Monmouthshire, South Wales

@bobbt9866, thanks for pulling some strings. I've sent the results to the engineer in question and hopefully we'll hear back from him soon.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is my heat pump correctly sized?

@helensq, welcome to the forums. The reliability of the system comes down to how well it’s designed and installed. Heat pumps do work. But they must...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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