I completely understand your suggestion, but at the moment our chiller system runs from the second floor upwards. [?? I'm guessing that by "onward" you mean "upwards"] so I think it's not possible to install a chiller on the first floor because we have required proper ducting and more cooling capacity .
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AlpheccaStars
I think the correct term is "in-line cooling", not "in row cooling"
ahmedmhow about this sentence:
"Before given a suggestion please check the pros n cons of the whole environment rather then give the straight forward suggestions."