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Judith
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Judith
@judith
Member
Prominent Member
Joined: Nov 28, 2023
Last seen: May 21, 2025
Profile Activity
Topics: 2 / Replies: 348
AllTopicsReplies
Reply
RE: Renewables & Heat Pumps in the News

I totally support you informing councillors MPs and NESO about potential root causes and hopefully they will understand enough to know ‘something must...

3 weeks ago
Forum
Well & Truly Off The Grid
Reply
RE: Renewables & Heat Pumps in the News

I wasn’t surprised to read that the Telegraph believes that renewable energy was the problem for yesterday’s Iberian power cuts. Clearly it won’t have...

3 weeks ago
Forum
Well & Truly Off The Grid
Reply
RE: Yes, the "zoning with ASHP" topic again...

@ccap you will find that Vaillant have a mode called’expanded’ which is weather compensation plus when the house gets too hot (cooking, sun, lots of p...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

@fillib what a wonderful result, both for you personally and to prove the case that the recipe for good efficiency is right-sized ashp and volumiser a...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help with understanding my Mitsubishi Ecodan air source heat pump

Welcome to the forum@patch and well done for your understanding so far! You’ve made a great start. Once an hour is a very acceptable rate of cycling a...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: In the middle of an ASHP installation - a few questions (and issues)

@benson you asked above about the Jan comparison with other months. We have a COP of 4.0 for January and 4.7 for the October to March 6 months. This...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ideal Logic ASHP - change from 55°C to 35°C Heating?

UFH should never be at 50C since small feet can get burned. I think the regs say 39(?). But your floor covering could be damaged too unless it’s tile ...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help me keep the faith with my air source heat pump installation

20miles away is not too far for a good install. Our installation was done by a guy who lived about 25miles away but some of his subcontractors (who ch...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Performance of Heat Pumps in Mild Weather

Key to this discussion is compressor performance. John Cantor addresses this at the end of his very useful YouTube video on ashp cycling. He shows one...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How hard and expensive would it be to change panel and add battery?

That’s just a guess, and your usage patterns may vary. It might be worth trying to work it out for your circumstances. If you want to improve your c...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How hard and expensive would it be to change panel and add battery?

If you have a decent export tariff such as Octopus’s 15p then you use the export to build up your cash in your account over the summer and then spend ...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What happens when the outside temperature exceeds the upper WC point?

@jamespa not found the hysteresis to be a problem yet. The house warms up a lot in the sunshine so it’s only back to our desired temperature by later ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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