Certifications at Daniel's Heating & Refrigeration Corp. We’re passionate about providing the Midlothian community with the best heating and cooling service around. To ensure our expertise, we’ve participated in rigorous training to receive the industry certifications you see below. Discover more about our certifications here and give us a call at 804-379-1155 to speak directly with our representatives. Better Business Bureau Daniel's Heating & Refrigeration Corp. is a member of the Better Business Bureau, meaning we respect ethical business practices and share reliable information with our customers. We have a solid rating and are proud to be part of this organization.