Before you turn on the a/c this summer, know how to be a smart consumer with your a/c repairman Bryan Staples/NewsChannel 5 WTVF and last updated 2021-05-17 14:41:51-04 NASHVILLE, Tn. (WTVF) â It's almost air conditioning season. In fact, you may have even turned yours on already. But first, an important warning about getting your unit worked on. One air conditioning repair company told a woman in Hermitage that she needed a whole new unit and showed her pictures that they said proved it. There was just one problem. We count on our air conditioning systems when the temperatures rise.