Certifications at Mighty Ducts We’re dedicated to providing the Orange community with the finest heating and cooling service around. To help us do this, we’ve gone through rigorous training to receive the industry certifications you see below. Find out more about our certifications here and give us a shout at 714-464-3376 to speak with one of representatives in person. BPI Certification North American Technician Excellence (NATE) NATE is North America’s largest non-profit heating, ventilation, air conditioning and refrigeration certification organization. NATE certified technicians perform 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 Mighty Ducts 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 good rating and are proud to be part of this organization.