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Scalextrix
@scalextrix
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Estimable Member
Joined: Sep 26, 2024
Last seen: Aug 11, 2025
Profile Activity
Topics: 6 / Replies: 47
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Reply
RE: All your heat pump problems solved by -- a plate heat exchanger in a plinth!

It seems to be saying that by separating the systems, then glycol usage can be reduced. I've heard about maintenance issues with anti-freeze valves,...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How accurate was your heat loss survey?

Thanks, so yeah yours is quite oversized, we are the opposite, we need to keep the huse warmer than the standard.

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How accurate was your heat loss survey?

@judith where it does start to make a differnce is installation cost and noise. Thanks for your reply.

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How accurate was your heat loss survey?

@carpenterstation sounds like what I'm afraid of, hopefully you can get it sorted. Thanks for your feedback.

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How accurate was your heat loss survey?

@bontwoody thanks, do you have any tips for a real world data approach. It does feel a little risky basing my estimate on a single day, unfortunatel...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
How accurate was your heat loss survey?
3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 11
Views: 394
Reply
RE: Plate heat exchanger considerations

Useful information thanks, we have a cupboard where all that can go, seems pretty small.

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Plate heat exchanger considerations

@johnmo not clear the pipes are dodgy, but they could be, nobody can know until after they are pressurized. Right? The only routing is the current...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Plate heat exchanger considerations

@bontwoody £300 on a £7k ASHP project isn't really a major issue. The designer will have to size it anyway, my real question is how much efficiency i...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Plate heat exchanger considerations

@bontwoody thanks, I see they are supposed to be 90% efficient or more. So maybe if I use that as a rule of thumb, a 45C flow from the ASHP woul...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Plate heat exchanger considerations

No, the pipe sizing is very adequate, 15mm to rads and 22mm primary for each floor in the building. None of it needs changing from a sizing perspecti...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Plate heat exchanger considerations
4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 16
Views: 647
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