So stupid, if you wake up freezing set the AC at 23-24C, it'll keep the room cool 'enough'. Also, most ACs now are very efficient and don't just turn off and on but have many levels.

We've discussed the effects keeping your AC has on sleep, but the constant running could also make the unit cold to the point where it breaks. It will reduce the pressure in the evaporator or coiling coil component inside the unit until it freezes over. The freezing could cause the compressor to become damaged and result in your AC no longer working.

No, ACs have sensors to prevent that. The compressor trips. Also, in a warm environment, the inside unit coil will not freeze, if it does, something else is wrong with the AC.

[–] Wakmrow@hexbear.net 17 points 2 days ago (1 children)

It can freeze with constant running if the coolant is low but yeah obviously I agree with you

[–] Des@hexbear.net 9 points 2 days ago

which is far less common then people think those are closed systems with extremely minimal losses. HVAC techs I know constantly joke about the "top off my coolant" like it's oil in a car

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