Last seen: Jun 20, 2025
@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...
@alfapat the flow temperatures in and out of the buffer tank aren’t really something you can do anything about. They just indicate how much efficiency...
@alfapat There is no such thing as a dumb question, just a dumb answer 🙂
@alfapat I think modern TRVs can be fitted on either side. The lock shield will restrict flow whichever side it is sited
Latest Posts
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RE: Getting the best out of a heat pump - is Homely a possible answer?
I think that QR code is to download the app SmartHome o...
By cathodeRay , 3 hours ago
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RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
@editor great article re accreditation. I note ISO/IEC ...
By Bart , 6 hours ago
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RE: Renewables & Heat Pumps in the News
Here’s a little more technical detail/p>
By Judith , 19 hours ago
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A good start but I’m glad I didn’t need to learn someth...
By Judith , 19 hours ago
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RE: Who's your electricity provider and what's your tariff?
I don't (yet), but my PW3 is due to be installed shortl...
By Old_Scientist , 24 hours ago
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RE: MCS and NAPIT complaints process
@chrislay, is your heat pump complaint still unresolved...
By Mars , 1 day ago
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RE: ASHP Install from hell - help please
@saf1973 I’ve been going through old cases on the forum...
By Mars , 1 day ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@aaron There's the rub, the database does not list my ...
By AF1 , 2 days ago
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
@editor excellent news, congratulations and well deserv...
By ASHP-BOBBA , 2 days ago
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RE: Vaillant AroTherm Plus 7kW
Depends on the flow temperature; the Czech data sheet i...
By JamesPa , 2 days ago
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RE: Commencing on an ASHP Installation Process
Yes, it's "doable" if everything goes to plan, they arr...
By Old_Scientist , 3 days ago
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RE: How not to install a heat pump
You are right. Thinking on this has evolved over the p...
By JamesPa , 4 days ago
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RE: DHW SET UP with Samsung gen 5
Thats good news indeed, you are very likely almost ther...
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RE: Plate heat exchanger considerations
As far as I can tell my vented system would have a peak...
By Scalextrix , 4 days ago
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RE: Air Changes per Hour - ACH and the MCS requirement
There have been a few discussions dotted around (e.g. I...
By Declan90 , 4 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Having made some enquiries locally I have found a compa...
By Morgan , 4 days ago
