At Carney & Son, we aim to keep your Charleston home comfortable in every season. Charleston’s mix of century-old homes and coastal humidity means no two HVAC jobs on the peninsula look quite the same, and we’ve spent over 40 years learning what each type of house actually needs.

Whether you need air conditioning repair in Charleston, a ductless system for a historic home, or routine HVAC maintenance, our licensed team is ready to help.

Why Choose Us for HVAC Services in Charleston, SC 

Carney & Son has been rooted in downtown Charleston for over 40 years, and three generations of our family have kept it that way. Our technicians are licensed, bonded, and insured for every job on the peninsula. Whether you’re in a Charleston single house near Broad Street or a condo close to the Battery, we know the wiring, the crawlspaces, and the codes that come with Charleston’s oldest neighborhoods.

Every technician we send to a Charleston job is trained on the issues that come up again and again in this market: undersized panels, single-zone ductwork trying to cover a three-story house, and equipment tucked into spaces that were never meant to hold a modern condenser. That’s not something you pick up overnight. It takes years of working on the same streets, in the same style of house, to know what to expect before you even open the access panel.

HVAC in Charleston’s Historic Districts 

Downtown Charleston runs on old houses. Many were built before central air existed, which means narrow chases, low crawlspaces, and walls nobody wants cut into. We specialize in ductless mini-split systems for these homes: no ductwork required, a minimal exterior footprint, and installation that respects the house instead of fighting it.

The Board of Architectural Review also has a say in what your condenser looks like from the street. We plan equipment placement around BAR guidelines from the start, so you’re not stuck redoing a permit application later. And because so much of downtown sits close to the harbor, salt air corrosion moves faster here than almost anywhere else in the Lowcountry. We build that into our maintenance plans.