Step 3 · Clean Evaporator Coil

Spray a commercial evaporator coil cleaner generously onto the coil fins. Allow the cleaner to sit for the time recommended on the product label, typically 15-20 minutes, to break down the dirt and debris. After the dwell time, use a soft brush or a coil cleaning brush to gently scrub the fins, removing loosened grime. Rinse thoroughly with water, ensuring all cleaner residue is flushed away.