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JamesPa
JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Nov 5, 2026
Topics: 28 / Replies: 5568
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RE: Are We Sleepwalking Into Another Race to the Bottom?

It's worth adding that you don't need to disagree to exercise different choices, you may just have different circumstances. If you have loads of ca...

1 year ago
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RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face

So true, possibly with the exception of people you wouldn't want as customers anyway! A clear, honest explanation demonstrates understanding (both o...

1 year ago
Reply
RE: Are We Sleepwalking Into Another Race to the Bottom?

OK so if I read this correctly your main objection is marketing, and particularly the potential perception-shaping effect together, just like me, with...

1 year ago
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RE: Say hello and introduce yourself

or you can add a circulator pump and PHE (instead of the coli) to re-use an existing cylinder with an ASHP in some cases, particularly if you hav...

1 year ago
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RE: Are We Sleepwalking Into Another Race to the Bottom?

Im know that we relatively rarely disagree, but on this occasion but I do disagree, quite strongly in fact. The 'zero disruption' bit is a piece of...

1 year ago
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RE: Heat loss calculations and how they work in conjunction with heat pump sizing

Sorry but the document I quoted is a requirement for an MCS installation and specifically specifies different design temperatures for bedroom (where p...

1 year ago
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RE: Midea ASHP – how to set weather compensation

If I were in your shoes I would absolutely want to get an independent handle on loss based on actual measurement given that, from what you have said, ...

1 year ago
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RE: Heat loss calculations and how they work in conjunction with heat pump sizing

There is some truth and perhaps even relevance in that! It sounds like just the sort of house for which the standard fabric calculation could eas...

1 year ago
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RE: Heat loss calculations and how they work in conjunction with heat pump sizing

That depends on the circumstance and your assertion is not necessarily true. If for example if oversizing leads you to going from one heat pump to 2,...

1 year ago
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RE: Heat loss calculations and how they work in conjunction with heat pump sizing

Sure, its a 200sq m 1930s house with (originally) solid walls, a couple of modest modern extensions and miscellaneous fabric upgrades such as partial ...

1 year ago
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RE: Heat loss calculations and how they work in conjunction with heat pump sizing

  In 3 years on this forum I have seen very, very few cases indeed of under sizing of the type you are describing. In contrast there have b...

1 year ago
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