Our Certifications Our team at White Mechanical, Inc. in Laguna Hills aims to offer the most comprehensive heating and cooling service around. One of the ways we maintain our expertise and continue to learn about HVAC products is by earning industry certifications. Learn 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 outstanding 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 Dave Lennox Premier Dealer™ Dave Lennox Premier Dealers™ are specially trained and independently evaluated continuously to offer a higher level of customer service. As a Dave Lennox Premier Dealer™, our team in Laguna Hills has partnered with Lennox®, a top name in home comfort, to provide some of the most innovative and energy efficient heating and cooling products in the industry. To keep “Premier” status, White Mechanical, Inc. participates in an independent Customer Review program that encourages our clients to honestly rate our performance so we can make sure our staff continuously is meeting or exceeding the highest standards for quality service. Better Business Bureau White Mechanical, Inc. is a member of the Better Business Bureau. That means we operate by ethical business behaviors and give trustworthy information to our customers. We have a solid rating and are proud to be part of this organization.