Cullum Mechanical

Cullum Mechanical traces its roots to 1972, when Furman Cullum founded the company in Charleston, South Carolina. Now operating across the Palmetto State with dedicated crews in Greenville, Columbia, and Charleston, this mechanical construction and HVAC contractor has logged more than five decades of service in the Southeast. The business maintains an A rating with the Better Business Bureau and holds active contractor licenses for both commercial HVAC and plumbing work. Reviewers on third-party sites have posted 19 verified assessments, yielding a 3.9-star average that reflects a mix of strong recommendations and notable critiques, all useful context for homeowners researching local options.

What distinguishes Cullum Mechanical from regional competitors is the breadth of industries it serves alongside traditional residential clients. The company maintains specialized crews for clean-room environments, data centers, manufacturing facilities, and healthcare campuses, sectors requiring precise temperature control and air-quality management. Their service department handles equipment ranging from packaged rooftop units and boilers to chillers, cooling towers, and refrigeration systems, offering both preventive maintenance agreements and emergency repair response. The company also operates an in-house sheet-metal fabrication division, enabling custom ductwork and specialty installations without third-party subs.

Several reviewers describe specific service encounters that illustrate what to expect. Jacob Beasley praised the crew for arriving promptly, diagnosing a malfunctioning unit quickly, and completing repairs at afair price. Another client, BRC BSA, flagged the technicians for professionalism and efficiency during a commercial project. However, multiple feedback threads reveal consistent friction around communication, several reviewers note they were not updated during multi-visit repairs, and at least one homeowner reports receiving an unexpected bill after Cullum technicians completed work without providing a quote beforehand. These patterns suggest that clarity around scope and timing may require explicit confirmation before signing a service agreement.