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Judith
@judith
Member
Prominent Member
Joined: Nov 28, 2023
Last seen: Jul 10, 2025
Profile Activity
Topics: 2 / Replies: 366
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Reply
RE: Good heat loss calculator for ASHP with UFH?

Hi Ash, when was your soon to be new home built? Because it will only be as good as building regs were at the time. When you get into details lot...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How I Negotiated a Better Deal on My Heat Pump Installation with Octopus Energy

Going back to the OP. Since you’ve come out as needing a 8kW Daikin, you won’t get the extra performance penalty associated with the 9-16kW model. ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Two possible heat pump routes - how to evaluate them?

I realise now that I was replying to an earlier message! I was replying to your brain knot comment. Sorry! It's not surprising you didn’t understand ...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Two possible heat pump routes - how to evaluate them?

@lucia if your house needs 6kW then that is what you need. There’s nothing you can do with bigger radiators to make a 4kW heat pump give you enough he...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Two possible heat pump routes - how to evaluate them?

From your information you need 6kW. Bigger radiators DON’T give you the heat output you need, all you would have is lower temperature flow and a too c...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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 ...

12 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
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...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

12 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
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...

12 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
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 ...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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