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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Sep 14, 2025
Profile Activity
Topics: 17 / Replies: 2844
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RE: Mercury Energy Summit (with Greg Jackson on the stage)

If the product is free (or cheap) YOU are the product. This is worth remembering.

11 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
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RE: Samsung / Worldheat buffer mixing

How frequently do you get defrost cycles (I ask because if the answer is not very, it really doesn't matter).

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung / Worldheat buffer mixing

Apologies, this was the first time I had heard an argument for putting it in the flow, and the arguments for putting it in the return seem (and I thin...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung / Worldheat buffer mixing

That's an interesting angle not previously mentioned anywhere I have seen. Is it perhaps a positive reason for a volumiser?

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ÀSHP heat loss - how close to perfect can we get?

R290 scops appear to be broadly similar to R32, there may be a small systematic difference which someone else can doubtless comment on. The only rea...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung / Worldheat buffer mixing

@heacol That is a nice set of diagrams thanks for posting. Why volumiser on the flow not the return? I thought the usual advice was the latt...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ÀSHP heat loss - how close to perfect can we get?

Rads are actually pretty cheap, however, funny you should ask as only a couple of days ago i knocked up a quick spreadsheet to work out the business c...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung / Worldheat buffer mixing

This seems like a classic case of somebody who didn't know what they were doing installing a buffer with complete mixing, which is almost certainly wh...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ÀSHP heat loss - how close to perfect can we get?

Perhaps I should have said that many boilers can do WC but, to the best of my understanding, few systems in the UK are set up to take advantage of the...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ÀSHP heat loss - how close to perfect can we get?

Many gas boilers do or can support WC. However the way we do dhw means that you may have to jump hoops to implement it. A friend of mine has employ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ÀSHP heat loss - how close to perfect can we get?

Yup pretty much. My boiler does actually condense so its just possible that the efficiency exceeds 100%. Hence choosing the 7kW Vaillant which does...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ÀSHP heat loss - how close to perfect can we get?

So we can look at the scatter on some more experimental data, here is a plot for my gas fired system. It shows average daily power (ie daily gas cons...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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