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Maintenance Tips for Your Ductless Air Conditioner

As a modern, efficient alternative to traditional air conditioners, ductless units have soared in popularity in recent years. Ductless systems provide reliable spot cooling using an outdoor compressor linked to one or more wall-mounted or ceiling evaporator units placed in rooms needing temperature regulation.

While convenient and energy-efficient, ductless air conditioners require periodic maintenance to ensure proper performance and longevity. Neglecting professional care causes these complex systems to lose cooling capabilities while racking up costly energy bills over months of use.

To maximize efficiency and comfort, make ductless AC maintenance a top priority. Here are helpful tips for keeping your equipment running like new.

Change Filters Regularly

Wall-mounted ductless units rely on regular filter changes to prevent reduced airflow, strain on internal components and inefficient operations. Filters trap dust, pet dander and other airborne particles as indoor air continuously circulates through the evaporator unit.

Check filters at least every three months during peak AC season. If filters appear visibly dirty or clogged before then, replace them right away. Choose replacement filters specifically sized for your unit to maintain manufacturer airflow specifications. Mark your household calendar with filter change reminders.

Clean Outdoor Unit Coils

The outdoor compressor and condenser coils emit heat to the exterior during ductless system operations. Over months of use, these vital components accumulate dirt, debris and grime that impacts performance. Seasonally clean the outdoor coils using a commercial coil cleaner or mild detergent. Aim to perform this task at least twice per year.

Straighten Bent Fins

The thin, closely-spaced metal fins covering condenser coils are easily bent out of shape by weather, fallen branches or careless lawn mowing. Carefully straighten any mashed fins with a fin comb tool to maintain optimal airflow. Replace any fins that cannot be adequately straightened or show signs of corrosion.

Clear Condensate Drains

Wall-mounted ductless air conditioners rely on internal condensate drains and pans to divert moisture pulled from cooled air. If drain lines become backed up with mold, algae, dust and debris, excess moisture builds up and leaks from the unit instead of exiting outdoors.

Prevent leaks and overflow issues by cleaning the drain line annually before summer. Straighten any kinks or crimps in the plastic drain tube as well. Pour an AC drain cleaner/freshner down tubes to keep moisture flowing freely.

Inspect Electrical Components

Ask an HVAC technician inspect wiring connections and electrical components like capacitors, relays and operating circuits during annual maintenance appointments. Faulty electrical aspects impact ductless system performance and reliability. Spotting and replacing failing parts promptly reduces operational strain.

Check Refrigerant Levels

Only certified HVAC service technicians in Palm Desert, CA using specialized equipment can assess refrigerant level needs in ductless air conditioner systems. Very slow cooling, uneven room temperatures and noisy compressor operations indicate potentially low refrigerant charges requiring qualified recharging.

Trim Nearby Foliage

Closely trim back any tree limbs, bushes and other foliage encroaching near the outdoor unit’s intake vents and condenser coils. Obstructed airflow around the ductless compressor stresses the unit to work harder while providing inefficient cooling.

Consider UV Lights

As an added protective measure, have UV germicidal lights professionally installed near evaporator unit mounting locations. The ultraviolet light naturally inhibits mold, bacteria and microorganisms from growing on exposed interior coils as air continuously circulates. This enhances air quality while preserving coil cleanliness

Schedule Seasonal Tune-ups

In addition to properly maintaining your ductless system year-round, invest in professional tune-ups before peak cooling season starts. Technicians methodically clean components, assess refrigerant levels, check electrical parts, calibrate thermostats and test for performance issues. Address any underlying problems to keep your system operating reliably all summer long when you need relief from heat and humidity the most.

While ductless air conditioners in Palm Desert, CA require some DIY dusting and cleaning, leave more complex maintenance tasks to seasoned HVAC experts. Consistent professional care maximizes performance and lifespan of these innovative spot cooling systems.

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