The Marietta junior outperformed competitors statewide in hands-on HVAC knowledge, technical skill and problem-solving.

This story is part of CNBC Make It's Ditching the Degree series, where women who have built six-figure careers without a bachelor's degree reveal the secrets of their success. Got a story to tell? Let ...

Cobb Innovation and Technology Academy junior Ariela Vega's HVAC knowledge helped her take the top prize and make history at ...

Rising heating bills this winter may not be due to extreme cold, but to persistent chilly days measured by Heating Degree ...