Our Certifications at Holiday Heating & Air Conditioning We’re passionate about providing the Ballwin community with the finest heating and cooling service possible. To ensure our expertise, we’ve completed rigorous training to receive the industry certifications you see below. Discover more about our certifications here and give us a buzz at 636-206-4250 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 shown superior skill in the installation, service and maintenance knowledge 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 Dave Lennox Premier Dealer™ To receive status as a Dave Lennox Premier Dealer™, Holiday Heating & Air Conditioning in Ballwin was trained and is regularly independently evaluated to ensure we provide an unmatched level of customer service. We’ve partnered with Lennox®, a leading name in home comfort, to carry some of the best heating and cooling equipment in the industry. We maintain our Dave Lennox Premier Dealer™ status by participating in an independent Customer Review program. The program encourages customers provide honest feedback and share their opinions on our service quality, keeping us accountable for doing high quality work and customer service at all times. Better Business Bureau Holiday Heating & Air Conditioning is a member of the Better Business Bureau, meaning we adhere to ethical business practices and disclose reliable information with our customers. We have a excellent rating and are proud to be part of this organization.