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GrahamF
GrahamF
@grahamf
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Joined: May 2, 2025
Last seen: Dec 19, 2025
Profile Activity
Topics: 6 / Replies: 97
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Reply
RE: Repiping and Reconfiguring our Heat Pump System Including Removing the Buffer Tank - Heat Pump Retrofix

@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...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face

@editor I hope you have at least a partially working heating system for the winter?

3 months ago
Forum
Government Schemes, Regulations, Training, Planning & Organisations
Reply
RE: Seeking Help for In-Principle Quote to fix a botched heat pump installation by Heat Geek Installer

@drei are taking measurements from the heat pump, or do you have an independent monitor? The reason for my question is that heat pumps are not espec...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face

@editor oh dear, very sorry to hear about that. I hope you get it sorted soon.

3 months ago
Forum
Government Schemes, Regulations, Training, Planning & Organisations
Reply
RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face

@ashp-bobba fascinating explanation, thanks. I have a physics degree and worked as an IT architect for 40 years, so I can understand this kind of sy...

3 months ago
Forum
Government Schemes, Regulations, Training, Planning & Organisations
Reply
RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face

We should also consider the importance of the manufacturer's role in setting design guidelines for installers. As an example, Grant UK seem to reco...

3 months ago
Forum
Government Schemes, Regulations, Training, Planning & Organisations
Reply
RE: Sizing - Save me from my headache

If you have enough space, you might consider opting for a larger hot water cylinder. That would reduce the risk of running out of hot water. However...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Seeking Help for In-Principle Quote to fix a botched heat pump installation by Heat Geek Installer

@drei your proposed radiator design looks inadequate to me. The first and second floors look OK, but a shortfall of 59% on the ground floor at 45C is ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face

@editor like @jamespa, I had a list of test questions: What SCOP will you design for? Can you show me evidence of achieving that SCOP on your ins...

3 months ago
Forum
Government Schemes, Regulations, Training, Planning & Organisations
Reply
RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face

@ashp-bobba I agree that as an installer you probably don’t want to be the cheapest. There is plenty of work out there. If you charge more, you can ...

3 months ago
Forum
Government Schemes, Regulations, Training, Planning & Organisations
Reply
RE: Seeking Help for In-Principle Quote to fix a botched heat pump installation by Heat Geek Installer

@drei in your original post, you said: Did the Heat Geek Elite engineer give you a design within the £800 fee, or did he just tell you everything t...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Why does an ASHP provide a more comfortable environment than a gas boiler?

@majordennisbloodnok I read the document that you shared: "Get_to_know_your_Cosy-20.2-internal". It looks as though it automatically adjusts the wea...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
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