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Questions tagged [zero-energy]

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-1
votes
1answer
115 views

Cookware thermal isolation [closed]

We like to waste a lot, particularly, in the kitchen we like to wash the hot water down the tubes, literally, right into the sink. We even heat up much more water than we need: 2 leters of water to ...
7
votes
1answer
380 views

Why isn't STES (Seasonal thermal energy storage) more popular?

I don't understand why STES - or more specifically BTES (Borehole thermal energy storage) - isn't more popular. I understand that is has a high implementation cost; excavation, drilling, evacuated ...
11
votes
3answers
178 views

Are there projects that use renewable energy sources to create renewable energy sources?

I recently fantasized about a project that starts from a small solar furnace (small, but can melt steel), and a small solar farm (that control the electronics). Then all the energy is used to build ...
19
votes
3answers
7k views

Storing food without refrigerator during the winter

I am unplugging my refrigerator for the winter months, I live in the northern United States so the temperature is sub freezing most of the time during winter. I have a semi-insulated garage that is ...
10
votes
2answers
226 views

Planning to build zero energy earth house

I'm playing with the idea of building my own home. I have not picked the location yet but I think I will be good with 1 acre of land. I follow Cody Lundin and like the idea of a earth house. I'm also ...