air conditioning

ac air conditioning fan freezer - 6137808640
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Necessity isn't always the mother of invention. Sometimes, stingy Dorm Life offices are.

heating unit ac exhaust air conditioning - 7077825536
By Patrick Shoemaker
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Exhausted from trying to figure out what this is, exactly!

ac air conditioning - 6378320896
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One piece of heavy card stock + one strip of double sided foam tape + six large binder clips = one non-sweaty receptionist. Now if nobody would look up, that'd be great too!

air conditioning battery backup system plywood - 6416431872
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To the untrained eye, this looks like a small window A/C unit propped up on a table, surrounded by three sheets of plywood. To the maintenance department though, this is the solution to prevent catastrophic heat-induced failure to a $20,000 battery backup system.