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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Nov 9, 2025
Profile Activity
Topics: 18 / Replies: 3316
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Reply
RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters

@editor Agreed. There is another point to be made here, namely that you cant make the judgement/calculation on pipe size unless you have correctly...

1 month ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters

@mars Im going to put a slightly different angle on this post because, whilst I accept its importance in principle and for some properties, Im not so...

1 month ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Heat Batteries

@cathoderay Whilst I suspect you are correct I suppose the possible fault with this interesting analysis is that less well off people will be eligi...

1 month ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Reply
RE: Help me keep the faith with my air source heat pump installation

If that makes you feel happier then go ahead, but it won't fix the problem! If you are convinced that its the heat pump that is at fault, then the...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Batteries

OK thanks for that, but the basic question remains, why has a solution based on home storage been discarded? There must be a reason and, unless we ...

1 month ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Reply
RE: Heat Batteries

Completely agree. To my mind this is not worth the effort of engaging with such a solution, either we will abandon net zero altogether, which see...

1 month ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Reply
RE: IVT Greenline high pressure switch and electrical cassette errors

OK. You dont say whether it is from the feeds to/from the DHW cylinder carrying hot liquid from the heat pump, or from the cylinder itself. Either w...

1 month ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: Heat Batteries

Do we need to do the look ahead stuff to make this work. Surely a simple algorithm: If I have a battery, fill it when the grid has capacity will do, j...

1 month ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Reply
RE: IVT Greenline high pressure switch and electrical cassette errors

I know absolutely nothing about this unit but it sounds like either it needs topping up with water or the expansion vessel needs to be repressurised. ...

1 month ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: Testing new controls/monitoring for Midea Clone ASHP

Perhaps they didn't significantly rewrite the algorithm when they introduced inverter driven compressors. You could layer cycling on top of inverter ...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Batteries

based on the information I have I completely agree, although I can see that this creates an allocation problem (how to decide teh limit -I believe Fr...

1 month ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Reply
RE: Heat Batteries

I think we can rule that out without further discussion.   Absolutely. The question is what should the technology do? Command and contro...

1 month ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
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