Crossword Genius

Ace or idol somehow regulated by fan? (3-6)

Ross

I believe the answer is:

air-cooled

'regulated by fan?' is the definition.
(cooled with a fan)

'ace or idol somehow' is the wordplay.
'somehow' indicates an anagram.
'ace'+'or'+'idol'='aceoridol'
'aceoridol' with letters rearranged gives 'AIR-COOLED'.

I've seen this clue in The Times.
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