Certifications at Clean Air HVAC We’re dedicated to providing the Pacheco community with the finest heating and cooling service possible. To help us do this, we’ve participated in rigorous training to receive the industry certifications you see below. Discover more about our certifications here and give us a call at 925-689-7017 to speak with one of representatives in person. North American Technician Excellence (NATE) NATE is North America’s largest and most respected certification in the heating and cooling industry. NATE certified technicians have mastered the installation, service and maintenance practice of heating and cooling equipment and can gain recognition in these 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 Better Business Bureau Clean Air HVAC is a member of the Better Business Bureau, meaning we adhere to ethical business practices and disclose trustworthy information with our customers. We have a excellent rating and are proud to be part of this organization.