Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: Jul 1, 2026
[quote]Zoning is a last resort, but only if it is designed correctly. If the heating system is not specifically designed to do it, DO NOT do it. It wi...
[quote]I always try to use 1 pump, but more may be needed if 1 is not big enough.[/quote]Paraphrasing, does this mean if the only pumps that could pro...
[quote]Almost impossible. Correct flow rate can only be determined on commissioning, anybody who says otherwise has never commissioned a system correc...
[quote]One that will do the job, they are tools, if you use the wrong tool, it will not work. They all the same these days.[/quote][/quote]From readin...
[quote]Correct system design[/quote]I think I'm right in using this as an example: does one determine the lowest optimal UFH flow temperature and incr...
[quote]Corrct emitter design[/quote]Understood!
@heacol, many many thanks for your reply. I've broken my comments into individual posts so it's easier to manage further quoting: [quote]NO, an...
That's a good shout, Major; one to validate On the subject of notifications, is / could there be an option to only receive one email per topic such ...
As mentioned, I have mapped these - how do I proceed from here? I know this too, but they aren't right at present. So I understand, however...
Thanks for the response, @johnmo. No. How would I do either/both of those, please? I suspect the answer, in lieu currently of a way t...
For the reasons I mentioned in the first paragraph, plus to simplify the design + reduce amount of kit - i.e. three pumps to (potentially) one = quiet...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Load Shift and Lifestyle Shift Complete - our journey has ended, for now
Very fair! I will now have to correct it.
By cathodeRay , 11 minutes ago
-
RE: Buffer tank on a 2 x 14kw Ecodan system
These heat exchangers are specified for Power at a cert...
By bobflux , 17 minutes ago
-
RE: Peak Energy Products V therm 16kW unit heat pump not reaching flow temperature
@davec 47kwh for 3 days is very low, compared to what I...
By johnd , 43 minutes ago
-
RE: How quickly would you want/expect heat recovery to take from setback?
Actually, good point. Yesterday was sunny for a good c...
By AndrewJ , 55 minutes ago
-
I opted to buy sets of 16 bare LiFePO₄ cells and place ...
By Transparent , 1 hour ago
-
RE: Why don't people choose heat pumps?
This topic is straying into useful observations about t...
By Transparent , 3 hours ago
-
RE: Our 10 year old Grant heat pump failed
As I understand it it was working then stopped. More l...
By JamesPa , 5 hours ago
-
@pipcart, Wattson is back... please go to the homepage ...
By Mars , 5 hours ago
-
Do heat pump defrost cycles impair heat pump efficiency (COP values)?
The short answer is no, as far as I can see from data f...
By cathodeRay , 5 hours ago
-
RE: Are We Sleepwalking Into Another Race to the Bottom?
That is a good approach and an excellent result. For co...
By Judith , 24 hours ago
-
RE: Say hello and introduce yourself
Good to see you here, @claytonbrowne, and welcome to th...
By Mars , 1 day ago
-
RE: Issues with Samsung heat pump – high running costs and house dropping to 11C overnight
It looks very much like a radiator balancing i...
By hml1827 , 2 days ago
-
I have, @transparent, but chose to pose the question he...
By Majordennisbloodnok , 2 days ago
SPONSORS
