Our Certifications at Osceola Air, LLC Our team at Osceola Air, LLC in Osceola County aims to provide the most comprehensive heating and cooling service around. The primary way we keep our expertise and continue to build knowledge about HVAC products is by earning industry certifications. Learn more about the certifications our technicians have received below. Better Business Bureau Osceola Air, LLC is a member of the Better Business Bureau. That means we comply with ethical business behaviors and provide trustworthy information to our customers. We have a solid rating and are proud to be part of this organization.