# Post by っ (@tw\-1056871938377707520)

- Published: 2022\-01\-06T07:09:34\.000Z
- Canonical: [https://diary.soushou.net/posts/1478987089278808067](https://diary.soushou.net/posts/1478987089278808067)

## Content

http://www.kyuden.co.jp/library/pdf/saving_energy/winter_1.pdf