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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Sep 16, 2025
Profile Activity
Topics: 17 / Replies: 2861
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RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

The cynic in me says this is about reducing call-outs & guaranteeing adequate volume for defrost. From a customer POV, as well as having the pote...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air source heat pump planning permission

I have experience of not getting pp and have followed a lot if what others have said. In summary: It depends entirely on your lpa. Some, like min...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Anyone installed a 12kw Samsung gen7 that is 0.07 over the permitted development rules?

Yes that's quite normal. And the 'advice' may be quite unhelpful in my limited experience, basically a load of backside covering telling things you c...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Anyone installed a 12kw Samsung gen7 that is 0.07 over the permitted development rules?

Unless your LPA can issue some extra-statutory concession (they do have some considerable discretion when it comes to enforcement) then the mechanism ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Installing your own ASHP

Hence why I added 'Of course, if nobody is likely to complain, you may well choose to ignore this.' Lots of minor developments are done which need p...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Installing your own ASHP

Just bear in mind that permitted development rights apply only to installations by an MCS contractor to MCS standards (a closed shop by regulation whi...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Why Your MCS-Certified Installer Might Not Be As Competent As You Think

Ideally you are right. But we don't live in an ideal world. Our existing workforce is our existing workforce and expecting to transform its skill se...

2 years ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: Why Your MCS-Certified Installer Might Not Be As Competent As You Think

This is where lax terminology fails us big time. Three days training, if you have basic plumbing skills, is almost certainly more than enough time to...

2 years ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: Why Your MCS-Certified Installer Might Not Be As Competent As You Think

Its, sadly, clear to me that the over-regulation simply doesn't work. It provides a get out clause for poor installers, who have done what the rules ...

2 years ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: My horrific Samsung heat pump installation and experience

Thanks, thats really helpful. Please forgive me if I don’t remember everything you have previously posted, whilst I ask some questions in the hope th...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

I suspect that even a typical (ie well oversized) gas boiler might struggle to cope efficiently with this, it would most likely be short cycling appal...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Why are heat pumps so hated?

Much of that is also true for fossil fuel installs. What we don't need is to make heat pumps more difficult than a fossil fuel boiler. So if we have...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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