Heating and air conditioning in general and the interest in detailed technology of furnaces, heat pumps and alternative energy were the foundation for Horace and Scott Kelly, when they started the heating and air conditioning contractor and service company Carolina Heating Service, Inc. in 1981 in Greenville SC.

Based in Lexington, South Carolina, Carolina Refrigeration provides refrigeration and commercial and industrial HVAC services 24 hours a day, seven days a week to customers in South Carolina, North Carolina, Georgia, Alabama, southern Virginia and Tennessee. Carolina Refrigeration serves customers ranging from industrial processing plants to wholesale shopping clubs and supermarket grocers to convenience stores.