So here I put you how to manage energy in this game to help you.
Usage: 0 = does not remove energy
Usage: 1 = remove 1% every 10 seconds
Usage: 2 = remove 1% every 5 seconds
Usage: 3 = remove 1% every 2.5 seconds
Usage: 4 = remove 1% every 1.25 seconds
Usage: 5 = remove 1% every 0.62 seconds
Usage: 6 = remove 1% every 0.31 seconds
Usage: 7 = remove 1% every 0.15 seconds

temperature management
minimum: 50 °
maximum: 110 °
ventilation turn off: add 1 ° every 1 second
ventilation turn on: remove 1 ° every 0.5 seconds
rapid ventilation: remove 2 ° every 0.5 seconds
warmer: add 2 ° every 0.5 seconds

noise management
minimum: 0
maximum: 5

Toreador Song: +1
Fast ventilation: +1
Reheater: +1
Candy Cadet story: +1
Paperpals Disco: +2
Phone Guy: +1
Music Man: +1
Lolbit: +1
Nightmare Mangle in the office: +1
Power Generator: +2

Freddy is attracted by the sound, he will jump on you from level 3.
PigPatch will be aggressive from level 3 as well.

Things that use energy:
right door or left door: Usage 1
camera on: Usage 1
Tunnel Panel: Usage 1
Heater, ventilation rapide or Toreador Song: Usage 1
Light for RedBear, Tangle etc …: Usage 1