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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Jul 20, 2025
Profile Activity
Topics: 16 / Replies: 2631
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RE: ASHP + two cylinders - possible?

The only real difference (in terms of complexity of pipework) is the pressure release drain required on a traditional cylinder because of the possibil...

5 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

As it happens I wouldn't disagree, but if it can in fact eliminate cycling then it wont meet the requirements of the BUS grant to be capable of heatin...

5 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Available (and indeed standard) in Italy I am told (by an Italian). Radiators are assembled onsite from small, standard, sections that plug together ...

5 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Yes but that doesnt solve the problem that @sunandair is saying can be solved by clever emitter design, namely cycling Im cant see why two compre...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: New to world of ASHPs: Ideal Logic Air Monobloc heat pump 8kW questions

OK. To minimise costs and maximise efficiency you are going to need to get your 'weather compensation' curve as low as possible so you are running w...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: ASHP + two cylinders - possible?

I cant see any fundamental reason not to have two cylinders and Im not sure that one needs to be a mini store (but it could be). The challenge, as ...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

I agree. I agree. Given the range of our climate and the maximum modulation range available from current heat pumps, I concede that we...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Apologies, I was trying to work out what you were saying and misunderstood. If I increase the radiator capacity then it follows that the flow...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Three pipe buffer

@jancold thanks for the update! Fully understood. Since I'm just some bod on the internet in no way connected to the project Im not bound by the...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

er no need to apologise, you aren't obliged to answer quickly or indeed at all!

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

For the avoidance of doubt I still don't get the first part of this as explained above, and would appreciate clarification if you have the time and in...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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