Last seen: Nov 3, 2025
@johnnyb very much in tune with the thoughts above and would advise against oversizing. The problem may be if you want the BUS grant as that require...
I think those are pretty much the standard figures that used to be quoted in mis3005-d (which now instead references a BS EN standard that I have yet ...
I think that maybe what the adia thermal system does, but as you say it's quite expensive and only works with some ashps Alternatively perhaps someo...
Still not quite. As I read this the body adjusts for fixed flow when on (based on an adjustment made by the installer according to a table that doesn...
Er - that description you posted says that the trv shuts off the flow when the room is at the set temperature, which is also what seems to happen in p...
That's good to know - and in which case, adding anything fancy to the system to "automate" it sounds like (a) an unnecessary complication; and (b) lik...
Is that really the case? Won’t the rate of heat loss in the room change as it cools/warms outside and thus what it is balanced for today at 1c isn’t ...
Almost but not quite a trv with remote sensor. A trv with or without a remote sensor operates principally, so far as I know, as an on off device (alb...
As I understand it these balance for fixed dT That's not what's needed unless emitters are perfectly sized (which they inevitably aren't). What's n...
In the context of a single zone heat pump system a valve that self balances very slowly for equal (or set) temperature would avoid the need to adjust ...
For me: Two full surveys (each taking 3hrs, one of which cost me £300) got to 16kW. Correcting for obvious errors in the surveys got to 10.5kW. Meas...
Ok. The key point I think you have made is that the error only occurs only during the disinfection cycle. That's getting quite deep into NIBE specif...
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