The point is that the heat isn’t accumulated, it is dispersed. To the outside environment generally.

Harvesting excess heat from AC might be possible, but only on an industrial scale. The temperature difference is so small it’s hard to make it do useful work.

In general, heat is a “high entropy” energy (high disorder), it is hard to convert heat energy to useful work. When doing any kind of work (converting energy from one form to another) there are heat losses.

Isn’t fwupd already included in SteamOS? Or is there a specific 8bitdo fwupd tool?