Japanese phrase
___は何度がいいですか？ ___ wa nan do ga i i de su ka
Meaning
What temperature is best for ___?
When to use it
A question about a suitable temperature. It is a polite way to ask for a recommended setting in everyday situations.
Example dialogue
冷房は何度がいいですか？ rei bō wa nan do ga i i de su ka
What temperature is best for the air conditioning?
二十八度くらいがいいです。 ni jū hachi do ku ra i ga i i de su
Around 28 degrees works well.