Preventive Maintenance
Step-by-Step Guide to Cleaning Your Split AC at Home
Eng. Ahmed Al-Harbi2026-05-156 min read

Learn how to clean your wall-mounted split AC unit on your own to ensure clean air flow and boost cooling efficiency.
Why Clean Your Split AC?
Accumulated dust acts as an insulation layer on the evaporator coil, making the AC work twice as hard. Cleaning your split AC unit at home ensures fresh, allergen-free air and reduces power consumption.
The Step-by-Step Process
- Disconnect Power: Always shut off the main circuit breaker before starting.
- Remove and Wash Filters: Use lukewarm water and let them dry completely in the shade.
- Apply Coil Cleaning Spray: Spray specialized foaming cleaner onto the metal coils and let it sit for 20 minutes.
- Wipe the Vanes: Wipe the plastic air louvers with a damp cloth.
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