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Table of Contents

The Importance of Regular Cleaning

Cleaning Your Mini Split HVAC System

Professional Maintenance Services

Keep Your Mini Split in Top Shape

  1. Resource Center
  2. Maintain

How to Clean A Mini Split in 5 Steps

6 min readUpdated Jan. 08, 2025Kimberly HillegassHVAC
A couple relaxing in their cozy, well-lit living room, both reading books. The indoor unit of a mini split HVAC system is mounted on the wall above them.

Want to know how you can enjoy a comfortable and healthy living environment? Start by cleaning your mini split HVAC system. Regular cleaning improves air quality and prevents dust, dirt, and allergens from accumulating.

Learn how to clean a mini split system, including its coils and filters, and understand why it matters. The steps are easy to follow and will only take a few minutes of your time.

KEY TAKEAWAYS

  • Regular cleaning of your mini split improves air quality and system efficiency.
  • Professional maintenance can prevent bigger issues and extend the lifespan of your unit.
  • Scheduling routine maintenance and repairs keeps your mini split operating smoothly year-round.

The Importance of Regular Cleaning

Regular cleaning of your mini split is key to maintaining its performance and promoting a healthy indoor environment. A clean mini split runs more efficiently and improves air quality, making your home more comfortable. Let's explore why keeping your mini split clean is so beneficial.

Prevents Dust and Dirt Buildup

Over time, dust and dirt can accumulate on your mini split's filters, coils, and other components. This buildup can obstruct airflow, making your unit work harder and reducing its efficiency. By regularly cleaning these parts, your mini split operates at its best, saving energy and extending the unit's lifespan.

Improves Indoor Air Quality

Mini splits circulate air within a room, and a dirty unit can spread dust, allergens, and pollutants. Regular cleaning removes these particles, promoting cleaner and healthier indoor air. This is especially important for those with allergies or respiratory issues, as clean air can improve their comfort and health.

Boosts Overall Performance

When your mini split is clean, it performs better. You’ll notice a more consistent temperature and less strain on the system. This not only improves your comfort but also reduces the risk of needing repairs down the line.

Saves Money

A clean mini split operates more efficiently, which can lower your energy bills. By keeping your unit free of dust and dirt, you prevent it from overworking, which can save you money on both energy costs and potential repairs.

Regular cleaning of your mini split helps maintain its performance, improves indoor air quality, boosts overall efficiency, and saves you money. Taking a few minutes to clean your unit regularly can make a big difference in your home's comfort and your mini split's longevity.

Cleaning Your Mini Split HVAC System

Regular maintenance is key to keeping your mini split HVAC system clean and running efficiently. With a few simple steps, you can maintain your mini split's cleanliness and keep it operating smoothly.

Gather Your Cleaning Supplies

Before starting, gather the necessary cleaning supplies:

  • A soft cloth or sponge
  • Mild detergent
  • Water
  • A vacuum cleaner with a brush attachment

Avoid using harsh chemicals or abrasive materials that can damage the unit.

Steps to Clean Your Mini Split

  1. Turn Off the Power: Make sure the power supply to your mini split system is off to prevent accidents or electrical issues.

  2. Clean the Filters: Remove the filters from the indoor unit and gently clean them with a soft cloth or sponge. If they are heavily soiled, wash them with mild detergent and water. Rinse thoroughly and let them dry completely before reinstalling.

  3. Clean the Indoor Unit: Wipe down the indoor unit with a soft cloth or sponge, focusing on the louvers and fins, which can accumulate debris. Use a vacuum cleaner with a brush attachment for stubborn dirt.

  4. Clean the Outdoor Unit: Remove any debris, such as leaves or twigs, from the outdoor unit. Wipe down the exterior with a soft brush or cloth, avoiding direct water spray to prevent damage.

  5. Check the Condensate Drain: Locate the condensate drain and make sure it is clear of obstructions. Use a small brush or pipe cleaner to remove any buildup if necessary.

Tips for Ongoing Maintenance

  • Regularly Clean or Replace the Filters: Depending on usage, clean or replace filters every 1 to 3 months to maintain airflow and prevent dust buildup.
  • Keep the Surrounding Area Clean: Make sure the area around both indoor and outdoor units is free of debris, vegetation, and obstructions to prevent airflow restrictions and potential damage.
  • Schedule Professional Maintenance: Regular cleaning is important, but professional maintenance also plays a role. A trained technician can perform thorough inspections, identify potential issues, and keep your system running efficiently.

By following these cleaning and maintenance tips, you can keep your mini split HVAC system in top shape, providing reliable and efficient cooling and heating year-round.

Professional Maintenance Services

While you can handle regular maintenance and cleaning, sometimes you need the expertise of a professional. If your mini split system isn't performing as well as it should, it might be time for a professional check-up. Service technicians have the know-how and tools to thoroughly inspect and tune up your system.

When to Call a Professional

There are a few signs that indicate it's time to bring in a professional:

  • Decline in Performance: If your mini split isn't cooling or heating as effectively, it could be due to internal issues that need expert attention.
  • Strange Noises: Unusual sounds can be a sign of underlying problems that require professional diagnosis and repair.
  • Increased Energy Bills: A sudden spike in your energy bills might mean your mini split is working harder than it should, often due to issues that a professional can fix.

What Professionals Do

When you call in a professional, they can:

  • Inspect Internal Components: Technicians will check all the internal parts of your mini split, including the compressor, fans, and refrigerant levels, to make sure everything is in working order.
  • Diagnose and Fix Issues: They can identify and repair any issues that are affecting your system's performance, preventing bigger problems down the line.

Benefits of Professional Maintenance

  • Peace of Mind: Knowing your mini split is in top shape can give you peace of mind, especially during extreme weather.
  • Extended Lifespan: Regular professional maintenance can help extend the life of your mini split, saving you money in the long run.
  • Optimal Efficiency: A well-maintained system runs more efficiently, keeping your home comfortable without wasting energy.

By combining your own regular cleaning with occasional professional maintenance, you can keep your mini split HVAC system running smoothly and efficiently all year round.

Keep Your Mini Split in Top Shape

Regular cleaning and maintenance keep your mini split HVAC system running efficiently and your home comfortable. By following these simple steps and knowing when to call in a professional, you can enjoy a well-functioning system all year round.

If it’s time for a professional tune-up, don’t wait. Schedule your routine maintenance today to keep your mini split performing at its best. And if you’re experiencing issues or notice a decline in performance, schedule a repair to get your system back on track.

Taking these steps will help you enjoy reliable, efficient cooling and heating, making your home a more comfortable place to be.

Schedule your HVAC maintenance now!

HVAC checkups from Sears Home Services help keep your heating and cooling system running at its best. Prevent costly repairs and can make your HVAC system more energy efficient with routine maintenance.

Call (213) 596-2538 or schedule online now.

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Glossary Terms

A humidifier is a device designed to increase humidity levels in a single room or an entire building, improving air quality and comfort.

Swamp cooling, also known as evaporative cooling, is a method that cools air through the natural process of water evaporation. It is energy-efficient and environmentally friendly, particularly effective in hot, dry climates.

Freon is a trade name for a group of chlorofluorocarbons (CFCs) used as refrigerants in air conditioning and refrigeration systems, known for its role in ozone depletion.

An inverter AC unit is an air conditioning system equipped with inverter technology that allows it to vary the compressor speed, enabling precise temperature control and increased energy efficiency.

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