What is the difference between insulating a house and double wall insulation in thermos bottles? Couldn’t using that technology conserve energy?
In: Engineering
You could, but the amount of money you would spend in vacuum insulation would be way more than the cost of the energy you would save.
There is also diminishing returns for insulation. After about 6” of typical home insulation the improvements of additional insulation could only be measured in a laboratory setting. In other words having exotic space aerogel or vacuum thermos insulation on your home would only preform a tiny bit better than 5-6” of stuff you can buy at Home Depot.
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