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bontwoody
bontwoody
@bontwoody
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Joined: Mar 5, 2022
Last seen: Jul 13, 2025
Profile Activity
Topics: 29 / Replies: 807
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RE: Looking for some advice – no viable installer/system – I'm stuck

@redguy17 How handy are you in a diy sense? Both heat pump and batteries can be installed by a savvy diyer. I’ve installed two heat pumps myself to go...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pump quotes: Advice needed

@chansug Hi Rob, im sure its just a typo but for the sake of not confusing the OP, you are not saying that they should be reducing the dT just th...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Weather compensation climatic heat curves

I think you assessment is correct. I would try and reduce the 45C end initially and see how the house feels. Also 20C OAT is quite a high setting p...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pump quotes: Advice needed

@chansug Also the solar, battery and EV will all help a lot with bills if you utilise a tariff such as Octopus Intelligent Go

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pump quotes: Advice needed

@chansug 50C is probably the top end of what you would want to live with. Its not standard, all houses are different but for efficiency you want to ge...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pump quotes: Advice needed

@chansug Sorry I misread and mistyped! 10mm copper pipe can transmit about 1.15 kW of heat with a delta T of 5C so that would place a limit on each ra...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pump quotes: Advice needed

@chansug which room has the 15mm pipework, what size is it?

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pump quotes: Advice needed

@chansug Good advice above. 300mm is considered acceptable loft insulation these days 🙂 The fact that some of the quotes havent specified the flow...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pump quotes: Advice needed

@chansug Welcome to the forum. Could you specify what flow temperature and design OAT the three quotations are given for? 🙂 Also a description o...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: New 5kW Samsung Gen6 heat pump owner with loads of questions

@johnnyb Well that all sounds like progress. I’m guessing that the COP figures are calculated from the internal sensors on the unit so should be vie...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Mixing of pipework/components' with different internal dimensions - theory vs reality/practical approach

“Think of it as a short section of single carriageway road on what is otherwise a dual carriageway. It's an impediment but much better than a lot of s...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Mixing of pipework/components' with different internal dimensions - theory vs reality/practical approach

@rhh2348 I just mean that from the 22mm copper or plastic pipe spine, each radiator have 15mm plastic down to it. I use John Guest plastic pipe but...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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