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Sheriff Fatman
@sheriff-fatman
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Joined: Apr 20, 2025
Last seen: Jul 16, 2025
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Topics: 2 / Replies: 50
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RE: Commencing on an ASHP Installation Process

Just as a quick sense check, this is the Vaillant data that led me to the above quote. If I'm reading this correctly, then for all outside temperatur...

2 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Commencing on an ASHP Installation Process

@jamespa I also suspect the 5.11 figure was used as a justification to exclude it from the design. From what I can see on the Vaillant model, it's o...

2 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Commencing on an ASHP Installation Process

The outstanding heat loss calculations filtered through this week. I received 3 in total with sufficient detail to interrogate by room, which has all...

2 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Commencing on an ASHP Installation Process

Interesting points, and I can see why you'd think this as the clarity on the conservatory has developed through the course of the quotation process. ...

2 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Commencing on an ASHP Installation Process

@johnmo I'm not chasing quotes, primarily. I'm chasing designs - or at least a vague consensus of opinion for our particular situation with the conse...

2 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Commencing on an ASHP Installation Process

Today marked the 4th consecutive working day where I've had someone visit the house to do a heat pump related visit. 3 last week were potential insta...

2 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Commencing on an ASHP Installation Process

I had a telephone call with the senior designer at EDF today, but was somewhat underwhelmed to discover that they've moved away from the suggestion of...

3 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Commencing on an ASHP Installation Process

It was added by the previous owners, but the conservatory is built on to what would have been the original back door for the property so has the origi...

3 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Commencing an ASHP Installation Process

So, by means of a brief update, I've made some progress over the past week or so and the picture is becoming a little clearer.Octopus have provided th...

3 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Commencing on an ASHP Installation Process

I did wonder where all the detailed knowledge came from, and had assumed you were involved in installation in some form or another. Caveat duly noted...

3 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Commencing an ASHP Installation Process

I've done some calculations based on our gas usage, for which I have 'dumb meter' data within Octopus going back to October 2022, when we switched to ...

3 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Commencing on an ASHP Installation Process

@jamespa The 116m2 is the total floor area as per the EPC, so I assume its the total usable area. It will be interesting to see what the other survey...

3 months ago
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Air Source Heat Pumps (ASHPs)
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