We work with some of the largest companies in the world, including Daikin/Goodman, Bosch, Copeland, Honeywell, Johnson Controls, and Fujitsu, to provide contractors with world-class products, technical expertise, and quality service. Education and/or Experience : High School Diploma or GED; at least two years of heating, ventilation, air conditioning, refrigeration (HVAC/R) experience or equivalent combination of education and experience.