Are you hot enough?
Are you too cold?
Should I put the heating [ or fire ] on?
Is it too cold for you?
Is the temperature alright for you?
...
19 เมษายน 2014
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Is it cool enough? - correct.
Is the temperature adequate to you? - should be "for you" not "to you".
Is the temperature adequate for you? - correct
But instead of "adequate", it's much more common to say:
Is the temperature okay for you?