Our Certifications at Tri County Air Care LLC Our team at Tri County Air Care LLC in Dallas works hard to have the best heating and cooling service around. The primary way we sustain our expertise and continue to learn about HVAC products is by earning industry certifications. Learn more about the certifications our technicians have received below. Dave Lennox Premier Dealer™ Dave Lennox Premier Dealers™ are specially trained and independently evaluated regularly to offer a higher level of customer service. As a Dave Lennox Premier Dealer™, our team in Dallas has partnered with Lennox®, a top name in home comfort, to offer some of the most innovative and energy efficient heating and cooling products in the industry. To keep “Premier” status, Tri County Air Care LLC 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 Tri County Air Care LLC is a member of the Better Business Bureau. That means we abide by ethical business behaviors and share trustworthy information with our customers. We have a good rating and are proud to be part of this organization.