Last seen: Jan 14, 2025
@robl thanks. I think a lot of the discussion confuses the two DT's though. With the output power of the Rad coming from (((Flow+Return)/2)-Room) DT, ...
@robl thanks, but whilst that is an explanation for why lower flow temps are good for COP, it doesn't say anything about DT? by the logic of the comme...
@derek-m yes absolutely, I'm not unread on the subject, I've watched many of these videos, and I understand the physics. I have done detailed heat los...
@derek-m any specific pointers? I also want to avoid units that require proprietary room controllers - I need one with an open standard (230v or volt ...
@grahamh surely not "just maths" though? he's got an 18kw specced heat pump, but he can only get 10kw out of it if the pipework will only do 30l/min? ...
the cheat sheet on heat geek is a reasonable starter but its not too hard to actually do the maths. the equations are all public. For me this is all...
do these HT pumps implicitly work at a higher DT (return to flow DT that is) than the typical 5C that is talked about everywhere for heat pumps? if ye...
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