Household

How to Clean Air Conditioner

A clean air conditioner makes a bigger difference than you'd think. Here's the most effective method, plus the mistakes most people make.

What You'll Need

  • Vacuum with brush attachment
  • Soft cloths
  • Soap-Man Vibes Multi-Surface Cleaner
  • Garden hose (for window units)
  • Replacement air filter

Step-by-Step Instructions

  1. 1

    Turn off power

    Always turn off the air conditioner at the breaker before cleaning to prevent electric shock.

  2. 2

    Remove and clean the filter

    Remove the filter and vacuum it. If washable, rinse with water and let dry completely. Replace if disposable.

  3. 3

    Clean the front panel

    Wipe the front grille and panel with a damp cloth and Multi-Surface Cleaner. Let dry.

  4. 4

    Vacuum the coils

    Use the vacuum brush attachment to gently clean the coils. Be careful -- the fins are delicate and bend easily.

  5. 5

    Wipe the exterior and reassemble

    Wipe the exterior with a damp cloth. Reinstall the filter and reassemble. Restore power and test.

Pro Tips

  • TIPReplace or wash the filter monthly during heavy use to maintain efficiency and air quality.
  • TIPSchedule a professional HVAC tune-up annually for central AC systems.
  • TIPCover window units in winter to prevent dust accumulation and damage.

Common Mistakes to Avoid

  • XCleaning the unit with the power on, which is dangerous.
  • XBending the cooling fins with a vacuum or tools, which reduces efficiency.
  • XSkipping filter changes, which strains the system and wastes energy.

Frequently Asked Questions

Monthly during heavy use. Every 2-3 months during light use.