What is a well known 'public secret' in the industry you work in that the majority of outsiders are unaware of?

NotSpez@lemm.ee to Ask Lemmy@lemmy.world – 629 points –
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In HVAC, I've been called out to look at the air con in an office block and person A is cold but person B right next to them is hot, there's nothing we can do to help that.

One simple solution that seems to work each and every time is the placebo effect. I say ok, give me an hour, I'll adjust the parameters and check over the system operation. I then sit in the plant room for an hour paying on my phone, come back to see if it's better and 9 times out of 10 they're both suddenly happy.

You can also pull this one off when your wife asks to turn the air temp up a bit. Just beep it up twice and then down twice. Suddenly everyone is happy.