Gray's Heating & Air Conditioning 3 years ago ID: #308677 Listed In : Air Conditioning & Refrigeration 58 B Old Wild Horse Rd, Hilton Head, SC 29926, USA 843-689-3111 graysinc.com Business Description HVAC Contractor in Hilton Head, SC Reviews & Ratings Write a Review No Review. Please login / register to add your review. Tags : hvac contractor Commercial Heating & Cooling Residential Furnace Repair Residential Heating and Cooling Central Air Conditioning & Heating Whole-house Ventilation Heat Pump Repair and Maintenance Geothermal Heating Professional AC Installation HVAC Replacements