Your Charleston Heating and Air Specialists Carolina Comfort Specialists has been performing Service and Installation of Commercial and Residential Heating and Air Conditioning (HVAC) for over 20 years in the Charleston area. Those two decades, as a result, have made Carolina Comfort Specialists experts in all major heating and air brands including: Trane, Unico Chillers, Carrier, Tempstar, Heil, Lennox, Mitsubishi, Sanyo, and York.