Some expressions about air conditioning

[Tom]

Hi

Do you find all of the following expressions correct and natural?

[Mister Micawber]

.
No, none of them seem so to me-- and #3 the least. 'Turn down' is the expected.
.
_________________
Native English teacher at Mister Micawber's

[Tom]

Many thanks, MM

Sorry for changing gears, but what about these-- the same as air conditioning?

[Conchita]

Yes, Tom, as with 'air conditioning', the usual phrase here is 'turn up/down (the TV)'.