Appalachian Sales Group represents renowned manufacturers of non-competing products to the commercial/residential distributor and provide product and technical support to the installing contractor. As a sales agency, they offer product information, technical support, and design assistance to the architectural and engineering community, the mechanical contractor, and the owner.

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.