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Last seen: Aug 4, 2026
@bami I think a lot of people use heatpunk as a heat loss calculator. To me 6kW would sound about right but this is an area where installers regularly...
@bami yes. 8kw = 8000w I would change the areas in the heat loss calc to the correct ones and recalculate the heat loss. It doesn’t mean that it ...
@bami I think if the heat loss documentation matches a 8kW heat pump then you have a very good case as "not fit for purpose" Alternatively if that i...
@bami thats helpull. Did you also get the heat pump spec and heat loss calculation?
@bami Is there some reason the room would have a lot of moisture in it overnight? If not that would kind of suggest the double glazing panel has blown...
@bami I have a large bay in my lounge and whilst the glass is cool, I dont notice a massive heat loss when the curtains are drawn. It might be worth c...
@jamespa Similarly I cant make the case for another 5kWh expansion. However its difficult to quantify how much a small battery saves when using solar ...
@bami My feeling is that the picture shows an expansion tank not a buffer, so that is good. I take it you were not given the specs and system diagram ...
@bami All good advice so far. I have a Samsung so might be able to help specifically with it. Do you know if you have a buffer tank installed? I not...
@jamespa You are right James that the Vaillant is a more sophisticated beast, but it does come at a significantly higher price point. I would indeed l...
Im just going to jump in here and defend the Samsungs control system. Whilst it is basic and may lack some of the more sophisticated options like a di...
@eliuccio I have a 5kW Samsung and am very happy with it. Vaillant have a good reputation too. It would be useful to have some more details on t...
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