Before and after: what comes out of the unit
Drag the slider on each image. Coil, blower, filters and louver, before and after cover-bag sanitising.
BeforeAfterInside of the indoor unit with the blower black with deposits, before cleaning → Inside of the indoor unit with the blower white and clean, after washing
BeforeAfterGrey, dust-laden filter on a white towel → White, clean filter on a white towel
BeforeAfterCoil fins full of dust and fluff, before cleaning → Clean, silver coil fins after washing
BeforeAfterLouver of the unit with black mould spots on the edge, before sanitising → White, clean louver after sanitising
BeforeAfterIndoor coil black with deposits seen through the cover before washing → Silver, clean coil seen through the cover after rinsing
BeforeAfterOpen air conditioner with filters full of grey dust before cleaning → Washed filters left to dry on a white towel by the window
Other tools
- Symptom test: does your unit need sanitising?
- Calculator: how often your unit should be cleaned
- Calculator: how much more a dirty unit uses
- Pre-season checklist
The information on this page is educational and based on cited sources; it does not replace medical advice. We do not do repairs, installation or refrigerant circuit work.