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GrahamF

@grahamf

Member

Estimable Member

Joined: May 2, 2025
Last seen: Oct 27, 2025

Topics: 4 / Replies: 79

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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...

1 month ago

Forum

Government Schemes, Regulations, Planning & Organisations

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 ...

1 month ago

Forum

Government Schemes, Regulations, Planning & Organisations

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...

1 month ago

Forum

Air Source Heat Pumps (ASHPs)

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...

1 month ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Why does an ASHP provide a more comfortable environment than a gas boiler?

@andrewj this is an interesting discussion. I am curious to understand why you are asking the question. You already have a heat pump, so surely you ...

1 month ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Testing new controls/monitoring for Midea Clone ASHP

This really depends on your heat loss and emitters. My installer and I seem to have been too pessimistic about the heat loss and maybe overshot on ra...

1 month ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Repiping and Reconfiguring our Heat Pump System Including Removing the Buffer Tank

@heacol thanks for explaining. We have FRVs on most radiators. We have TRVs in the bedrooms instead, but they are all wide open. The temperature i...

1 month ago

Forum

Air Source Heat Pumps (ASHPs)

RE: How to choose Towel Rails for an ASHP

@judith Yes I agree. They are extremely expensive. I suspect they sell very few of them, so they don’t have the economies of scale of standard rad...

1 month ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Repiping and Reconfiguring our Heat Pump System Including Removing the Buffer Tank

@heacol this may be a silly question, but why would you need a second pump? The water pump in my Grant Aerona 290 15.5kW is happily pumping the wate...

1 month ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Repiping and Reconfiguring our Heat Pump System Including Removing the Buffer Tank

@editor Yes, we all suffer from the Dunning-Kruger effect. It is so easy to think we understand something, when we don't - especially when it looks...

1 month ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Preparing for 2nd winter in new build house.

What an interesting and ambitious project. You certainly have built a big house - 650m2 is enormous! Here are some pointers: I wonder why you ...

1 month ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Big Changes Coming to Our Heat Pump System

@old_scientist 3. Some pipe work is always hidden, but some is always visible too. The pipes connected to the old boiler, water pu...

1 month ago

Forum