- Maintenance & Repair
A1 Columbia Plumbing Heating & AC serves Columbia residents. It specializes in AC repair, installation, and upgrade. The company offers heat pump and humidifier repair and installation. The company also conducts vent and duct work cleaning and air purifier and air cleaner replacement. It keeps air filters clean and frequently changed out to avoid repair and extend the lifespan of HVAC units. Other services include sewer line and drain cleaning and plumbing repair. The company has been in business for 20 years.