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@heacol
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Noble Member
Joined: Aug 6, 2021
Last seen: Apr 3, 2025
Topics: 3 / Replies: 390
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RE: Heat pump's integral circulator pump

@robl Your analysis is correct, for heating the most efficient Delta T across the condensor is in fact 5 Deg C and most manufacturers will reccomend t...

2 months ago
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RE: Digital Showers and lower temperature hot water

@jamespa Install one of these on the main incommer.

2 months ago
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RE: rad size and efficiency

@adamk Yes you can to that. I never use old radiators. If the customer insiste, I walk away, it is not worth it.

2 months ago
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RE: efficiency factor of heat pump brands

@jamespa There are many hundreds of other variables in the vapour compression circuit, miss one and the calculations are irrelivant. Every time I thnk...

2 months ago
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RE: rad size and efficiency

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...

2 months ago
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RE: efficiency factor of heat pump brands

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...

2 months ago
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RE: ASHP and heating issues in new build house

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...

2 months ago
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RE: ASHP and heating issues in new build house

@terry1812 Go to "My Dasboard" Top right and click on the messages icon, I have sent you one.

2 months ago
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RE: ASHP and heating issues in new build house

@terry1812 Sorry, I did not realise it was there, Admin chainged it a while ago, it has been corrected.

2 months ago
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RE: ASHP and heating issues in new build house

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...

2 months ago
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RE: Say hello and introduce yourself

@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...

2 months ago
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