I have a sneaking suspicion my a/c is not going to make it this summer. So I'm preparing for the worst, putting pennies away now for the inevitable breakdown. And what do I do? Call a contractor to come out and take a look at my suspicion? Nope! I'm going to be an idiot and wait until it goes down.

 Not the Delta T I was expecting from my first HVACR excursion. 

In just four years, Haitian immigrant Nesli Francois has moved up the ranks with Westborough, Mass.-based Conservation Services Group (CSG), growing from an apprentice to the highly coveted role of energy specialist.

Follow editor Matt Bishop's first-time AHR Expo journey at #AHRRookie.