SteamyTea

Here is a register that showed a few. https://www.istructe.org/find-an-engineer/members-directory/ I just set the location to Cardiff

Is this the sort of work that can be done under a building notice?

Even easier would be a standard control system. Similar to car pedals. It is really for the manufacturers to make a common standard, and stick to it.

How much room do you have to play with? Mineral wool, blown cellulose or even poured polystyrene beads would all work well.

Here is some time series data from my E7 heated cylinder.

And from the base.

TL;DR Architects will do anything for payment. Well I say anything, maybe less than you expect, then hide behind their professional organisation terms of contract. But look on the bright side, they will still charge you the same for half the job, so you know were you stand.

Have a look around the base of the cylinder and see if it has a boss blanked off. You could try setting the thermostat to the maximum it will reliably go to i.e. 85°C. Tat will at least allow more cold to be mixed with it at the tap. You can also time your usage to allow a decent recharge time that coincided with PV production, i.e. use before 10AM, usage after 2PM. Use less.

Why would anyone pay for a tree. Just dig up one the council has recently planted. What we pay our rates for isn't it. Can also pick up a nice, sturdy bench seat.

I was asked the best time to plant a tree. "20 years ago. If you didn't, then today" PV is the same.

Aim for zero waste. Bins become redundant then.

Any use https://sealsdirect.co.uk/

I think I read that article 15 years ago. Don't hold your breath. Have you compared the price of roof integrated PV compared to tiling/slating. Bear in mind that you will have scaffolding up anyway.

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I clicked on your link and it took me to this: But not having a unit, or account, can't go any further.

One of the problems the public have is caused by governments hanging their tune. "Greenest government ever" "Get rid of this green crap" Same bloke said it. So if a government says something will be done, or something must never happen again, we all know to ignore it.

MI, manufacturers instructions. Or, as @pocster thinks, meat injection.

BEV is battery electric vehicle. PHEV is plug in hybrid electric vehicle. DI is direct injection, though not used much, most large diesels are DI. HFC is hydrogen fuel cell, better known as fool sells. There are too many of these and sometimes they change meaning. ABS is anti lock breaking system, or the plastic the bumper is made from.

Well as it is the PU breaking down/softening you may be better off just putting a bit of woolen blanket or rubber around them. 5mm of that, then foam. Try one and see how you get on.

I used similar when I silconed my units in. Not sure it was really necessary though. Better than having to buy another unit though. The one thing I did wrong one time was not checking that an opening frame was square. It still snags a little. I just don't open that window much.

Mine is the same. One word out of place and she is like a fridge.

Take lots of pictures and videos, especially how you got around problems. Then ask to set up a blog.

My experience with polyurethane foams and high temperatures is that over time the foam breaks down.

Made her smile, for weeks.