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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

To think there must be a way we can conserve heat now for winter?

19 replies

hjennings92 · 27/08/2022 20:12

Now I don’t really understand the science behind it all, but surely given how hot it is and has been in recent months there must be a way to store all of the heat so that in winter we can use it to heat our house? If we managed to do that then the energy bills wouldn’t be ridiculously high due to short supply as we had managed to save the heat from the summer for when winter comes?

Just thinking outside the box to try and solve what is going to be a major problem for us all very soon!

OP posts:
bettybyebye · 27/08/2022 20:14

Following as I have been wondering the same recently! 😂

Hellocatshome · 27/08/2022 20:19

I'm sure there is I've heard it mentioned on Grand Designs before but I don't think its something you can put i to your house retrospectively at least without it costing an absolute fortune.

ChorltonWheelie · 27/08/2022 20:20

Ground source heating but most houses aren’t designed to make decent use of it

hjennings92 · 27/08/2022 20:22

I mean surely there is a machine which they can make which takes in all the heat in the air which is warm at the moment, and then supply that to houses in winter? Or maybe heat a large vat of water now with the temperatures so high to use to power hot water instead of via a boiler.

OP posts:
ThorsBedazzler · 27/08/2022 20:27

You can do it: pump hot air out of house, into ground heat sink store - a water filled deep, deep sink store that is well insulated, think water filled thermos. Hot water stays hot, when you need it you reverse the pump and run the hot water through a heat network system.

Some heat sink stores can only store for a few days. But, if you utilise the underground disused mines, can store for longer.

BGS are researching.

There are also schemes where heat is stored in sea water ponds, and overground ponds where solar panels can keep the water hot.

ThorsBedazzler · 27/08/2022 20:30

You can take heat from many places too - data centres generate a huge amount of heat. Pump the heat out and store in water.

DogDaysNeverEnd · 27/08/2022 20:32

Birds migrate, clearly to avoid massive heating bills.

TwoLeftSocksWithHoles · 27/08/2022 21:18

You could try 'catching' the hot air in a polythene bag by 'swishing' it through the air. Then store them in your freezer, just pop one in the microwave when you need some heat.

That's what I'll be doing this winter.

gatehouseoffleet · 27/08/2022 21:21

bettybyebye · 27/08/2022 20:14

Following as I have been wondering the same recently! 😂

Me too - it seems such a waste that all that heat has gone and we couldn't store it in some way.

MoistBandana · 27/08/2022 21:22

Big old solar panels and shit ton of batteries.
Build an entire house out of solar panels and batteries.
Dig out a huge basement and fill it with batteries.

gatehouseoffleet · 27/08/2022 21:22

ThorsBedazzler · 27/08/2022 20:30

You can take heat from many places too - data centres generate a huge amount of heat. Pump the heat out and store in water.

Yes you've just reminded me that the London Underground heats a few thousand homes in London through the heat it extracts from one of the Underground lines!

gatehouseoffleet · 27/08/2022 21:24

gatehouseoffleet · 27/08/2022 21:22

Yes you've just reminded me that the London Underground heats a few thousand homes in London through the heat it extracts from one of the Underground lines!

Here we are - the Bunhill estate. It was mentioned on the "Secrets of the London Underground" TV programme: theconversation.com/how-to-use-the-london-underground-to-heat-your-home-21256

Justanotherlurker · 27/08/2022 21:31

We don't have the battery tech down yet, and we (as an island) are not in a place where we can use thermal heating, so no we can't really conserve heat.

We could have built more nuclear power plants which would have helped and we will have to do long term as 100% green is not reliable

Nat6999 · 27/08/2022 21:36

We should be doing more from waste sites using the heat from burning rubbish, several estates in my city are heated from it, maybe burn more instead of putting to landfill, stops pollutants soaking in to the earth, generates heating for homes. The heating costs £15 a week per home for as much heating & hot water as you want.

DisappearingGirl · 27/08/2022 22:26

You could try 'catching' the hot air in a polythene bag by 'swishing' it through the air. Then store them in your freezer, just pop one in the microwave when you need some heat.

😂😂😂

absolutelyanythingwilldo · 27/08/2022 22:53

OP, this is what you're thinking:
www.treehugger.com/seasonal-thermal-energy-storage-gets-hot-sand-battery-5525833

LondonWolf · 27/08/2022 23:05

TwoLeftSocksWithHoles · 27/08/2022 21:18

You could try 'catching' the hot air in a polythene bag by 'swishing' it through the air. Then store them in your freezer, just pop one in the microwave when you need some heat.

That's what I'll be doing this winter.

Grin
DogandMog · 27/08/2022 23:13

"I mean surely there is a machine which they can make which takes in all the heat in the air which is warm at the moment, and then supply that to houses in winter?"

🌳🌳🌳

Trees grow during the heat of summer, then you can coppice and harvest them and deliver them to homes in winter 😘

MushMonster · 27/08/2022 23:18

You have links an examples of the technology in the thread.
I did not know about the sand storage system. It sounds really great!
The question is that the technologies have been around for a while. Solar power, solar panels, undergrounnd (and sand!) storage, wave power.... but we do not have enough of it implemented.
I know UK has built or was building quite a few waste to energy plants lately, so that should help with the problem.
I do not have underground storage, I do not think it is an option for this house. I do not have solar panel and batteries because they are rather expensive. But I so much wish the goverment would subsidise these options now and we would be grenen and future proof soon enough, if the technology was made affordable.

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