Crank up the air conditioning / conditioner.
I saw this sentence, Crank up "the air-conditioning." And I think Crank up "the air-conditioner" is also possible and meanings of them are the same. What do you experts think?
Thank you so much as usual and have a good day,
1 answer 
Regarding the hyphen -- this is a strange one that does not quite follow the "rules," such as they are.
Air-condition, a transitive verb, is hyphenated. Air condition and air conditioner, as nouns, are not. But air-conditioning, also a noun, is hyphenated.
Or so says the Merriam-Webster Collegiate Dictionary.
I hope this helps.
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answered Oct 21 '12 at 14:23
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