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Judith
@judith
Member
Prominent Member
Joined: Nov 28, 2023
Last seen: Apr 25, 2026
Topics: 4 / Replies: 515
Reply
RE: Local Planning authority requirements for heat pumps - information sought.

Our planning permission has come through and the MCS levels were applied. We have to install in line with the permission. Our nearest neighbour is in ...

2 years ago
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RE: New Vaillant 7kW aroTherm ASHP or oil boiler dilemma/decision??

This site is one of the most comprehensive for what size heat pump you might need, as you may have read too big a pump can’t be less efficient T...

2 years ago
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RE: Incorrect Billing of Customers with a Smart Meter

This is a very interesting thread. Our ashp is being fitted soon, and we’re going onto OE cosy and using our battery to charge up to get over the peak...

2 years ago
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RE: Delivering a smart and secure electricity system: government consultation

@transparent I did comment but I would get an E at best since I didn’t answer all of the questions in sections 1& 3 and didn’t touch 2. My input...

2 years ago
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RE: Buffer tank in primary circuit?

@roel You also may already have a buffer which can also be called a low loss header. @johnmo put in some schematics above. You might be able to trace ...

2 years ago
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RE: Buffer tank in primary circuit?

Derek’s approach (as usual) is an excellent one. You do not need a buffer, just a volumiser. Once you understand how your system balances up then it’s...

2 years ago
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RE: What is the most important factor for you when choosing a heat pump brand?

I was thinking of your analysis but I couldn’t recall who pointed it out and hence sorry I couldn’t give you credit. Sorry! There have been other st...

2 years ago
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RE: Advice on ASHP choice needed

@pie eater the difference you can’t see will be air leakage usually. There are many assumptions about how many air changes per hour your house has due...

2 years ago
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RE: Buffer tank in primary circuit?

Aaaaaah, that’s gas boiler thinking! and the recipe for problems with ashp. As several people are explaining better then I can, an over-sized pump wil...

2 years ago
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RE: Buffer tank in primary circuit?

The reason the other heat pumps failed may be that the houses have zones, NOT good with heat pumps, and as the pumps is big then it needs a minimum wa...

2 years ago
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RE: Two possible heat pump routes - how to evaluate them?

Oh dear! Don't let them change radiator for lower wattage ones! There are experts on the forum who would like to see the full proposals. Can you upl...

2 years ago
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RE: Advice on ASHP choice needed

@pie_eater our install date is in September we’ve just had some bigger radiators changed so far, (not all rooms needed larger). it is pure BS to say...

2 years ago
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