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A comment on What We Can Learn from Japanese Prefab Homes. Parent comment

Re:What We Can Learn from Japanese Prefab Homes by brigandish on Thursday March 11, 2021 @02:35AM (#26421319)
> Don't forget that central heating /AC and "proper" insulation are not a standard feature in Japanese construction.

A recent Reddit thread of non-Japanese immigrants (I won't link it in case it brings blow back for them) had this (insulation specifically but heating more generally) as the top complaint about living in Japan.

Aluminium window frames… I curse them.

Edit: typo

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Re:What We Can Learn from Japanese Prefab Homes by Qwertious on Thursday March 11, 2021 @10:05AM (#26424734)
>Aluminium window frames… I curse them.

What? Why?

High embodied energy, terrible insulation, and I don't picture aluminium as a cheap material.

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Re:What We Can Learn from Japanese Prefab Homes by fomine3 on Thursday March 11, 2021 @07:09PM (#26430679)
Traditionally wood was used for window frames but it couldn't provide enough amount for building after WW2.. Aluminum is better than wood for durability and air sealing but stupid for insulation. Now all major window frame manufacturer is aluminum industry so that's why transition to resin window frames is hard..
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