A bloke just walked into the office and asked if he could check our airconditioning after lunch.

Now, last time anyone futzed around with our aircon (“cleaning it”, I think was the term they used) it stopped working for about 4 weeks.  It wasn’t all that long ago either, really.

General consensus in here is therefore that systematically breaking, then repairing, the air conditioning unit in our office is some sort of modern day indoor equivalent of the Keynesian cornerstone theory of stimulating the economy by paying people to dig holes in the ground, and subsequently filling them back up.