Our Certifications at D & D Heating & AC We’re passionate about providing the Brighton community with the most responsive heating and cooling service around. To ensure our expertise, we’ve participated in rigorous training to receive the industry certifications you see below. Discover more about our certifications here and give us a shout at 720-316-1401 to speak with a team member. North American Technician Excellence (NATE) NATE is North America’s largest and most prestigious certification in our industry. NATE certified technicians have mastered the installation, service and maintenance practice of heating and cooling systems and can gain recognition in the following areas of specialty: Air conditioning Air distribution Heat pumps Gas heating Oil heating Hydronics gas Hydronics oil Ground source heat pump loop installer Senior HVAC Efficiency Analyst Industry Competency Exams (ICE) Administered by NATE, Industry Competency Exams offer certification in industry-established standards for entry level technicians. At more than 300 schools, students are required to participate in at least one exam before they graduate. Earning residential certification requires the technician to pass a main section of Safety, Tools, Soft Skills; Heat Transfer & Comfort; or Electrical as well as a specialty section in air conditioning, air distribution, heat pumps, gas furnaces and oil furnaces.