Get matched with top central a/c installers in Mount Pleasant, SC

"Installed a new central AC unit, and we couldn't be happier! The technicians were very professional, polite, and respectful of our home. They arrived on time, worked quickly, and cleaned up everything before leaving. They even took the time to show us how to use the new thermostat and explained the maintenance steps. Highly recommend!"

"Job done right and quickly. Reasonable price tom was great "

"Their tech team had to deal with 2 bad computer boards they stayed late and weâ re back on site early AM to complete the new install after receiving a new board from the manufacturer. Jason Albert AJ and their supervisor Jason were professional in every facet of the install."

"Everything went great! Professional and efficient service."

"The Technicians were punctual, professional, and courteous. Installed 4 ton 16 sear Lennox split unit AC with gas furnace in one day, and did a great job."

"Great customer service. Friendly people."

At One Hour Heating & Air Conditioning of Charleston, we help homeowners across Charleston, Dorchester, and Berkeley counties stay comfortable with fast, reliable HVAC service.\n\nWhether your AC isn’t keeping up, your energy bills are high, or your system needs routine maintenance, our team is ready to help. We handle AC repair, heating service, tune-ups, and system replacements with honest recommendations and quality work.\n\n✔ Always On Time… Or You Don’t Pay A Dime\n✔ Upfront, honest pricing\n✔ Clean, respectful, drug-free technicians\n✔ Industry-leading warranties and guarantees\n✔ 18 months no interest financing (with qualifying credit)\n\nProudly serving Charleston, Summerville, Goose Creek, and West Ashley.\n\nCall today to schedule.

Carney & Son 72 Degrees is a local, family owned company that has been serving the Lowcountry for 40 years. We are proud distributors of Rheem Heating and Cooling Products and are your HVAC unit replacement specialists. We perform service and repair for all HVAC unit brands. We are a mostly residential business but do perform light commercial work. There is nothing more important than the safety and satisfaction of our customers. All of our technicians carry the Technician Seal of Safety that ensures that they are professionally trained, background checked, and drug tested. We obtained the Technician Seal of Safety to ensure that you, your family and your home are in good hands with us! We do financing call us for info!