If YETI can make a cup that keeps water cold or hot for hours and a cooler that holds ice for hours, then why aren’t we building houses with that same material?
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First, you have to understand that yeti coolers and yeti cups are totally different. Coolers are just really thick thick foam, whereas the cups are vacuum flasks basically. The magic of a yeti ISNT the materials they’re made of, it’s the way those materials are arranged. Mostly it’s just that the walls are SUPER THICK. Thicker than other coolers.
You can’t really build a house like a vacuum flask, but you absolutely can build one with super thick walls. Google Passive House.
But this is rare for the same reason why most people don’t own a Yeti cooler: it costs more. Look up Passive House, it’s relatively simple to build a super insulated house that requires basically no heating or cooling. However the up-front cost is like 30% more. And homes are built by developers who sell the home not live in it. Buyers are more sensitive to up front cost, rather than ongoing expenses, so that’s what builders build.
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