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Last seen: Oct 1, 2025
@jamespa There are many hundreds of other variables in the vapour compression circuit, miss one and the calculations are irrelivant. Every time I thnk...
It is just thermodynamics, the higher you move the flow temperature the more it will cost to run, existing radiators may need a higher flow temperatur...
All heat pumps, using the same gas, will have a verry simmalr perfomance, you cammot beat the rules of thermodynamics, the biggest effect on heat pump...
Hi @dreg1 11, Kw or 10.6 is neither here nor there, it is considered to supply 100% of the load and will with ease, if your system is controlled prop...
@terry1812 Go to "My Dasboard" Top right and click on the messages icon, I have sent you one.
I can help, PM me
@terry1812 Sorry, I did not realise it was there, Admin chainged it a while ago, it has been corrected.
Firstly, lets look at the heat pump, this unit, accrding to the doccumentation Mr Google found fo me, it will supply 11 Kw down to -7, if your heat lo...
@adamk You defernatly do not need a buffer and possibly a volumisor depending on how many radiators you have open loop and the unit you choose. Yes, y...
@jamespa "Whether anyone would be prepared to pay the rates that they would demand is of course another matter!", they are not, we have sorted a lot o...
@jamespa (Im presumeing when you say pumps in parallel you also include in series - as here); you are correct and I have corrected my post. Mismatched...
@jamespa Pumps in series are not a problem, the flow rate on the pump is approximately the same and the head is about 70% more (not double). @alfapa...
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There are just too many unknowns for me to comment on p...
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