Our Certifications at Stanford Heating & Cooling Our team at Stanford Heating & Cooling in Bloomfield 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. Better Business Bureau Stanford Heating & Cooling 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 strong rating and are proud to be part of this organization.