Our Certifications at Carefree Heating and Cooling, LLC We’re dedicated to providing the Hamilton community with the most responsive heating and cooling service in the area. To do so, we’ve gone through rigorous training to receive the industry certifications you see below. Discover more about our certifications here and give us a shout at 513-268-5164 to speak with one of representatives in person. Better Business Bureau Carefree Heating and Cooling, LLC is a member of the Better Business Bureau, meaning we adhere to ethical business practices and communicate reliable information with our customers. We have a strong rating and are proud to be part of this organization.