HVAC Services West Columbia SC | Call Advanced Mechanical Service

Regular preventive maintenance is key. During our seasonal tune-ups, we inspect and flush your condensate drain line to remove algae and debris before a clog forms. We can also install a safety float switch that shuts your system off if a clog occurs, preventing major water damage. Simple homeowner tips include pouring a cup of vinegar down the drain line monthly during peak cooling season.

Signs include a persistent musty smell when the system runs, visible mold growth around vents, or increased allergy symptoms. Our process starts with a thorough inspection using specialized tools. We then perform professional duct cleaning to remove contaminants and apply EPA-registered antimicrobial treatments to inhibit future mold growth. Sealing leaky ducts also reduces moisture intrusion, a primary cause of mold.

This is often a symptom of a deeper issue common in our humid climate. It could be a severely clogged air filter restricting airflow, a refrigerant leak, or a failing compressor. It could also stem from the problems you mentioned, like a frozen evaporator coil due to a clogged drain line. Our technicians diagnose the root cause—whether it's a repair, a refrigerant charge, or a component replacement—to restore efficient cooling and prevent further damage.