Comfort Zone of the Carolinas provides 24 hour emergency service and heating and AC repair for residential HVAC systems to our neighbors in the Tri-County area. We’ve served Rock Hill, Fort Mill, Lake Wylie, Clover, Lancaster, Chester, Indian Land, York, and Great Falls for a combined total of 40 years! We understand that not all residential HVAC repair needs are the same. We’ll take the time to research and ask you detailed questions to make sure you get what you need.