<p>Cleaning a window AC involves safely unplugging it, removing the front panel and filter, washing the filter with soapy water, gently vacuuming dust from coils and fins (using a fin comb for bent ones), wiping interior/exterior surfaces with a damp cloth (vinegar/water mix for mold), and allowing all parts to dry completely before reassembly for better efficiency and air quality. Regular monthly cleaning keeps it running smoothly, with deeper cleans done as needed.&nbsp;</p><p>&nbsp;</p><p><strong>Tools &amp; Supplies Needed</strong></p><ul><li>Screwdriver (for panel)</li><li>Vacuum cleaner with brush attachment</li><li>Soft brush or fin comb</li><li>Mild detergent, warm water, spray bottle</li><li>Microfiber cloths/rags</li><li>Optional: Vinegar/water (1:1) or mild coil cleaner&nbsp;</li></ul><p><strong>Step-by-Step Cleaning Guide</strong></p><ol><li><strong>Safety First:</strong> Turn off and <strong>unplug</strong> the unit from the wall.</li><li><strong>Remove Panel &amp; Filter:</strong> Take off the front grille and slide out the air filter.</li><li><strong>Clean the Filter:</strong> Vacuum dust, then wash with warm, soapy water; rinse and let it <strong>air dry completely</strong>.</li><li><strong>Clean Coils &amp; Fins:</strong> Gently vacuum the condenser/evaporator coils and aluminum fins, using a brush for stubborn dirt. Use a fin comb to straighten bent fins.</li><li><strong>Wipe Interior:</strong> Lightly spray coils with a water/vinegar mix or coil cleaner (following directions), then wipe down the fan and interior with a damp cloth.</li><li><strong>Check Drain:</strong> Ensure the drain pan and line are clear to prevent mold.</li><li><strong>Clean Exterior:</strong> Wipe down the outside panel and grille.</li><li><strong>Reassemble &amp; Test:</strong> Once all parts are dry, put everything back together and test.</li></ol>