- 1). Plan a clean cleaning program. You could clean the coils at the same time as you clean or replace the filter, which is every month, or you could wait and clean the coils quarterly. The monthly regimen is the easiest because it's easy to remember--you're working on the system anyway.
- 2). Identify the Trane's coils. They are easy to spot---just look for fins with copper pipes. There is always at least one outside and one inside.
- 3). Brush the coils with a soft brush. Be careful not to damage the fins. If the coil does not come clean, move on to Step 4.
- 4). Wash the surface with mild detergent and allow it to dry. If the coil does not come clean, move on to Step 5.
- 5). Use a can of compressed air to dislodge the dirt and then use a soft brush to wipe the surface. If the coil does not come clean, move on to Step 6.
- 6). Rent a pressure washer and buy special coil cleaner. Your Trane dealer will sell it to you. Clean in the opposite direction of the air intake. Wash the fins and pipes until the water comes clean. Be careful not to damage anything.
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