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About Advanced Technology LLC.
Advanced Technology LLC serves residential and light commercial clients throughout Columbia, South Carolina, and surrounding communities. The contractor holds a 5.0-star average across nine verified client reviews, reflecting consistent service delivery in heating, ventilation, and air conditioning repair, maintenance, and installation work. Business contact information includes phone (803) 629-7370 and web domain at-hvac.com.
Unlike contractors who default to major component replacements, this team prioritizes precise diagnostics before proposing solutions. Reviewers specifically note honest assessments that avoid unnecessary upsells, with one client describing how a competing company quoted thousands for work this team completed with a minor adjustment. Transparent communication and fair pricing distinguish their service model.
Clients consistently name Bailey and James as the technicians delivering their service. One Columbia homeowner recounts Bailey identifying a thermostat wiring fault in ten minutes, a problem two prior contractors overlooked while quoting extensive repairs. Another reviewer describes texting about a failed water heater and receiving same-day assessment, with the technician arriving within an hour and resolving the issue that same afternoon.
What Customers Say
Three of four readable reviews mention prompt same-day or same-hour response times. All reviewers who name a technician mention either Bailey or James, highlighting consistent personnel. Fair pricing and honest diagnostics appear across multiple testimonials.
Services
Heating System Repair & Maintenance
Furnace diagnosis, thermostat calibration, and heating component service for residential systems.
Cooling System Service
AC tune-ups, refrigerant checks, and cooling efficiency restoration for traditional split systems.
Heat Pump Installation & Repair
Heat pump equipment service including variable-capacity systems for year-round climate control.
System Replacement & New Installation
Complete HVAC system installation for existing properties and new construction projects.
Emergency Repair Response
Urgent service calls for heating failures, cooling breakdowns, and system malfunctions requiring immediate attention.
Thermostat & Control Programming
Smart thermostat setup, wiring verification, and control system troubleshooting.