Chapter 14. Beyond functionality
“Hi, Sam, this is Clarice. I’m presenting a class in the new training room today, but the heating system is terribly loud. I’m practically shouting over the fan and I’m getting hoarse. You’re the maintenance supervisor. Why is this system so loud? Is it broken?”
“It’s working normally,” Sam replied. “The heating system in that room meets the requirements the engineers gave me. It circulates the right amount of air per minute, it controls the temperature to within half a degree from 60 to 85 degrees, and it has all the requested profile programming capabilities. Nobody said anything about noise, so I bought the cheapest system that satisfied the requirements.”
Clarice said, “The temperature control is fine. But this ...