thank you for that. my other carer, who's my first carer's friend, is a builder and knows about electronics, but not bitcoin miners, hopefully with my knowledge of miners, and his knowledge of electronics, we can do something with it.
Basically you'd be looking to make it so it draws less power, so you could run the rans at lower speeds, while not messing with the hash rate too much. Also, Sidehack himselfs sells modded S7s that run much quieter:
https://asicpuppy.com/magentoPuppy/index.php/antminer-s7-sidehacked.html