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IanMK13
@ianmk13
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Joined: Feb 18, 2023
Last seen: Sep 13, 2025
Profile Activity
Topics: 8 / Replies: 186
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RE: Minimum ASHP outputs?

On the other side of the coin - although not the subject of this topic - the heat pump will operate at greater than 80% capacity on only 12 days. Alth...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ÀSHP heat loss - how close to perfect can we get?

@lucia In my last house, I painted the radiators in my children's bedrooms. They were in their early teens at the time and they were allowed to choos...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ÀSHP heat loss - how close to perfect can we get?

@jamespa I suspect the 'big bang' approach is (largely) necessary to meet the requirements of the Boiler Upgrade Scheme.

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Renewable Heating Hub Homeowners' Q&A Podcast

Maybe it will change when MCS Mk II comes online sometime next year (or just wishful thinking?). In the meantime householders have no option but to a...

12 months ago
Forum
Introductions, Forum Rules & Updates
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RE: ÀSHP heat loss - how close to perfect can we get?

Basically, yes. I've got an unusual shaped home; it's not a regular rectangular box. It also incorporates several different construction methods. Some...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ÀSHP heat loss - how close to perfect can we get?

My fabric analysis came out at 11.7kW but I recall erring on the side of pessimism with measurements, U values, etc. I'm assuming (to be verified) t...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Battery storage solution with ASHP

"Stoke on Trent in the north of the country"! - just saying... I have a GE AIO and I'm very happy with it. The notable disadvantage is the absence ...

12 months ago
Forum
Energy Storage
Reply
RE: ÀSHP heat loss - how close to perfect can we get?

Here is a plot I created when I first began the analysis of my gas-fired heating system around 18 months ago. Since we are discussing how someone such...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: VAT on home storage batteries is zero?

I think you know the answer 😉 I also found that my itemised quotations generally quoted around the VAT inclusive prices when, not only can ...

12 months ago
Forum
Energy Storage
Reply
RE: ÀSHP heat loss - how close to perfect can we get?

@cathoderay I really wouldn't like to hazard a guess at my boiler's efficiency. Even with flow temperatures around 60C and return below 50C during ...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ÀSHP heat loss - how close to perfect can we get?

@majordennisbloodnok - I think this issue is complicated by the boundary layer effects.

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Battery sizing - How low can you go!

@transparent - This brings back memories of 25-30 years ago when I was responsible for shipping some crates of electronic equipment to China. I manag...

12 months ago
Forum
Energy Storage
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