Our Certifications Our team at Air Patrol Air Conditioning & Heating of Texas in Carrollton strives to provide the finest heating and cooling service around. One of the ways we sustain our expertise and continue to expand our knowledge of HVAC products is by earning industry certifications. Discover more about the certifications our professionals 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 excellent installation and maintenance on your heating and cooling systems. These technicians have proven 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 Air Patrol Air Conditioning & Heating of Texas is a member of the Better Business Bureau. That means we abide by ethical business behaviors and provide trustworthy information to our customers. We have a strong rating and are proud to be part of this organization.