Our Certifications at A2Z Air Inc Our team at A2Z Air Inc in Boynton Beach works hard to have the finest heating and cooling service around. One way we sustain our expertise and continue to expand our knowledge of HVAC products is by earning industry certifications. Learn more about the certifications our experts have received below. Better Business Bureau A2Z Air Inc is a member of the Better Business Bureau. That means we operate by ethical business behaviors and share trustworthy information with our customers. We have a strong rating and are proud to be part of this organization.