Our Certifications at Climate Control Systems Our team at Climate Control Systems in Hickory strives to provide the best heating and cooling service around. One of the ways we keep our expertise and continue to learn about HVAC products is by earning industry certifications. Find out more about the certifications our experts have received below. North American Technician Excellence (NATE) NATE is North America’s largest non-profit heating, ventilation, air conditioning and refrigeration certification organization. NATE certified technicians provide outstanding installation and maintenance on your heating and cooling systems. These technicians have verified their knowledge in the HVAC specialty areas including: Air conditioning Air distribution Heat pumps Gas heating Oil heating Hydronics gas Hydronics oil Ground source heat pump loop installer Senior HVAC Efficiency Analyst Better Business Bureau Climate Control Systems is a member of the Better Business Bureau. That means we comply with ethical business behaviors and give trustworthy information to our customers. We have a solid rating and are proud to be part of this organization.