Last seen: Sep 17, 2025
@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...
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...
@chansug Also the solar, battery and EV will all help a lot with bills if you utilise a tariff such as Octopus Intelligent Go
@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...
@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...
@chansug which room has the 15mm pipework, what size is it?
@chansug Good advice above. 300mm is considered acceptable loft insulation these days 🙂 The fact that some of the quotes havent specified the flow...
@chansug Welcome to the forum. Could you specify what flow temperature and design OAT the three quotations are given for? 🙂 Also a description o...
@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...
“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...
@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...
@rhh2348 I find this an interesting question as I did a similar thing after reading John Cantors site. I have 28mm to my 5kW heat pump which then r...
Latest Posts
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RE: Who's your electricity provider and what's your tariff?
I am on Octopus Intelligent @ 6.67p on the overnight ra...
By Andrew J H , 8 hours ago
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RE: Boxt Heat Pump Installation Experience
@ashfp Mine does have a buffer tank. That was my experi...
By Andrew J H , 8 hours ago
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RE: Repiping and Reconfiguring our Heat Pump System Including Removing the Buffer Tank
@rhh1, just the one pump. All other pumps have been rem...
By Mars , 12 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@benson Possibly but when I looked on heat pump moni...
By Papahuhu , 12 hours ago
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RE: Which temperature sensor for a Steibel buffer and Ecodan?
@ashp-bobba might be able to help as an Ecodan expert.
By Mars , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
I'm sure you are right, I was just trying to understand...
By JamesPa , 1 day ago
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RE: Preparing for 2nd winter in new build house.
Yuch! So that's basically just an on/off control. I...
By Transparent , 2 days ago
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How to Zone with a Single Room with UFH
Hi all, I am currently looking at a project ...
By Renewables345 , 2 days ago
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Good day everyone. I'm new here and have a few question...
By Edin67 , 2 days ago
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RE: Say hello and introduce yourself
@transparent Morning. Just put a lengthy post on the AS...
By sbm74 , 2 days ago
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RE: MCS certificate SCOP vs real-world performance
That may be contributing to lower than expected SCOP. ...
By JamesPa , 2 days ago
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RE: Mitsu PAR-WT60R Wireless Controller - options
How it does it's job is something of a mystery although...
By Abernyte , 3 days ago
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RE: Powerwall 3 or Myenergi or something else?
Yes I was thinking of outdoor, IP65 batteries with buil...
By Temperature_Gradient , 3 days ago
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@jamespa Thanks. Yeah any adjustments Ive made at pr...
By cliffhanger , 3 days ago
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RE: How to choose Towel Rails for an ASHP
@rob-nezard yes absolutely. Here is the link and a pho...
By GrahamF , 5 days ago
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@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 5 days ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Unfortunately I'm not that well connected 😂 ...
By Scalextrix , 5 days ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
It is interesting to see what our new Grant Aerona 290 ...
By GrahamF , 5 days ago
