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This is the last post before I unsubscribe from this thread as I have another business to run. No what we need is an idea to reduce bills economically that doesn't cost £20k and takes 20 years to make the money back which you need a subsidy for. These tell you how your bills are going up...

Which is why I left academia 17 years ago, although the academics Sergey Brin and Larry Page whose paper on algorithms which produced google would probably disagree with you. I don't like American culture in general but they excel at using their academics to produce practical ideas, DuPont -...

Yes and that section was for using the retrofit as a heat sink so that the hotter water would continue providing hotter air through the night, it was not mentioned at all that an enclosed mains flow would go through it, I remember dead pigeons in the loft tanks when I was growing up. I get...

So you agree then that for 50% of the year the loft is hotter than the house and therefore can be used to heat up the air. The "it's not posssible" argument has been disproved by Nuire in one of the preceeding pages. No-one suggested freezing the attic space in winter at any point. I...

In fact this is the general difference between us, when I don't know something I will ask. If I know something about the subject I will recount my experience. Please explain why it is not a viable concept.

No I don't have an idea about water bye laws, but then if it's already been worked around I don't need to. You don't probably know why a nuclear reactor has uranium in it but doesn't explode, but it doesn't stop you using the electricity. I suggest you inform the companies already manufacturing...

I don't think it's sensible but it's has a solid scientific foundation, the same principle is made to super cool matter by bumping up it's energy state and then getting the energy release to a level that was less than the initial energy, a recent application was in the production of...

Actually there is a way in a well ventilated room, you'd assign a room for clothes drying and then pump the hot air towards the wet clothes, the evaporation would use up the hot air energy (and cool the loft space) and as the steam took drew in energy from the surrounding area to get back to...

This part of the system was never designed to do summer except to use it to pre heat hot water for household use. I wouldn't cool a house with this product and never said so. In theory though a low powered pump could be used to take an existing hot water radiator system and pump it under the...

see above, you'd use the heat to heat up water for household use.

That would be the next product line up where the heat is used to preheat the water from the mains to the boiler for hot water. Because it's above the insulation it wouldn't result in cooler upstairs rooms unless one deliberately reversed the flow once the basic heat exchange had cooled the attic...

From their website

so this year people would have saved more money, because I still had the central heating on (when /i wasn't experimenting).

Not exactly, the loft temperature needs to be warmer than the inside the house and I've only been monitoring since March but even on cold days it has been through spring. I'm not talking about a winter solution. The complicated temperature control can be achieved with an extension cord and a...

Yep that's pretty good as an almost exactly the same idea, and show that it is a viable business, there's a couple of small differences between what I had in mind and their system, namely the length of intake, power supply, installation method which I've taken from American venting systems...

You'd better tell that to the people selling/ installing air and ground heat exchangers then, or maybe think things through a little before posting. :lol: See i really don't know what I'm talking about when it comes to bylaws, but if I can think of an example where it's being used already...

That's covered two posts up in the expansion of the business model and product range.

Which is where the next product for the business model comes in, using the heat to pre-heat the water from the ground supply to the hot water and therefore reduce the energy required to run a bath or shower. Retro fits would be particularly good for this especially if they still have an old...

That's just the experiment to prove it worked, there's a better way of doing it and tidier too for proper installation.