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Your mini-split system comprises three groups of components: line sets, the outdoor unit, sometimes referred to as the compressor or condenser unit, and the interior units in each room of your home.

You must maintain the cleanliness of your interior units to ensure their continued best functioning. Still, you must also take care of the outside unit. Here are the top dos and don’ts on how to clean minisplit.


  1. Establish a Schedule

Cleaning mini-splits in your care is a natural initial step. The interior and exterior should be cleaned once a month max. Clean your equipment every few weeks to prevent dirt and dust from accumulating. After cleaning, disconnect mini splits to minimize electrical hazards.

  1. Use the Correct Tools

Gather mini-split cleaning tools and materials. A dry cloth, a slightly damp cloth, a house cleaning solution, a vacuum with a brush nozzle, and an adjustable water hose are needed.

Most cleaning products work, but read your product manual for a safe recommendation. Utilize a mini split cleaning kit that helps shield your system from bacteria that cause odors, mold, and mildew.

  1. Clean and Dry Interior Parts

Wipe the interior components with a moist towel. Next, dry each component with a cloth. Lift the unit’s front door to remove the filter. Clean the filter with a home cleaner before air drying. Remove the micro split cabinet to find the evaporator coils. Dry cloth should clear debris from coils. If not, dowsing your cloth with coil cleaner will eliminate clogs.

  1. Clean and Dry Exterior Parts

Use your water hose to remove debris to clean the unit’s outside. Spraying the grille is smart, too. Next, clean the fan blades with a damp cloth. Work carefully to avoid bending or breaking fan blades. After drying the exterior, vacuum up any leftover material within the unit.

  1. Turn Off The Power Sources

You should only begin cleaning once you have confirmed that your equipment is unplugged and powered off.

  1. Don’t Skip on Steps

Additionally, it would be best to refrain from skipping any of the actions listed above. Avoid acting in an improper manner as well. For a dependable outcome, follow the same procedure every time.

  1. Avoid Using Harsh Chemicals

Always refer to the owner’s manual when deciding which cleaning products to use. Utilizing suitable materials, your mini splits and HVAC accessories can run efficiently for a long time.

Bottom Line

Your mini split’s lifespan can be extended with proper maintenance. It’s essential to adhere to these dos and don’ts. The most crucial thing is to clean it regularly. Put a date for your next preferred cleaning on your calendar right now. In this manner, as the days and weeks pass, you won’t forget.