Our Certifications at Assured Appliance and Heating & Air Our team at Assured Appliance and Heating & Air in Genoa strives to offer the best heating and cooling service around. One way we keep our expertise and continue to learn about HVAC products is by earning industry certifications. Discover more about the certifications our experts have received below. Better Business Bureau Assured Appliance and Heating & Air is a member of the Better Business Bureau. That means we abide by ethical business behaviors and give trustworthy information to our customers. We have a good rating and are proud to be part of this organization.