Areas we serve White Knoll Heating & Cooling, Inc. in Lexington, SC (803) 755-7272 Get a free second opinion on major repairs! Call now Lexington, SC Columbia, SC Lexington, SC Colombia, SC West Colombia, SC Springdale, SC Batesburg-Leesville, SC Blythewood, SC Gaston, SC Red Bank, SC Gilbert, SC Oak Creek, SC Irmo, SC Killian, SC