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Yogabob

@yogabob

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Joined: Oct 21, 2022
Last seen: Jun 6, 2025

Topics: 0 / Replies: 10

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RE: Vaillant Arotherm yeild and COP readings

@drew-pa Hi - I know this is an old thread, but I am doing some work on my system once more, and thought I might say something which I feel is i...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Vaillant Arotherm yeild and COP readings

@murchison2003 Understood 👋🏼

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Vaillant Arotherm yeild and COP readings

@cathoderay It does sound pretty screwy to be honest! I would normally expect fossil fuels to be more expensive than, for example, mains gas (not avai...

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Vaillant Arotherm yeild and COP readings

@cathoderay Crikey, that is a staggering amount of electricity! The amount and cost doesn’t seem to equate to anything like your old system… and your ...

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Vaillant etc Vaillant Arotherm yeild and COP readings

(with apologies for typos, and errors in grammar. My phone, unilaterally and arbitrarily, decides to change spellings at the last minute, at the point...

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Vaillant Arotherm yeild and COP readings

@murchison2003 Hi. As before, I’m not necessarily replying just to you, but I am adding my three ha’p’orth (showing my age!) which might add a little ...

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Vaillant Arotherm yeild and COP readings

G’day 👋🏼 I am delighted that you are delighted! I too am delighted with mine! Although I haven’t gone to the lengths you have to work out your COP –...

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Vaillant Arotherm yeild and COP readings

@dangermousie Hi. Hmm, not sure your calculation is right there. COP is simply power ie kW of output, divided by kW consumed. My figures come only fro...

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

COP Vaillant ASHP

Hi Joe - I just found this site. I don't know if this is any help but... I have had a Vaillant Arotherm (not -plus) 8 kW ASHP for about a year now. Do...

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: High air source heat pump running costs – Vaillant AroTherm Plus

@webcmg Hello. I know this is an old thread, but I have just had Vaillant ASHP fitted, and am working my way round how to get the best out of it. The ...

3 years ago

Forum

Air Source Heat Pumps (ASHPs)