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IanMK13
@ianmk13
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Joined: Feb 18, 2023
Last seen: Apr 21, 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...

7 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...

7 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.

7 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...

7 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...

7 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...

7 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 ...

7 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...

7 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 ...

7 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 ...

7 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.

7 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...

7 months ago
Forum
Energy Storage
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