A ductless mini-split air conditioner is convenient and cost effective for homes that have challenging areas to cool. In many homes, it is not possible to run ducts to certain parts of your home, or you may want additional cool air in an area with an insufficient flow of conditioned air. In either case, taking care of your unit with regular maintenance will provide you with conditioned air and a cool comfortable home.
A ductless mini split maintenance will generally include the following tasks:
Inspect outside condenser unit: If the unit is located in a heavy foliage area, leaves and debris will collect on the unit, hamper the airflow and slow down the heat transfer and cooling process.
Examine evaporator coils and fins: The coils and fins retain the cold temperature needed to cool the air, but if dirt accumulates on the coils and fins, it acts like insulation and slows the cooling process.
Clean filters: Most ductless mini-splits have mesh filters that collect dirt and pollutants before entering the air cooling unit. Blocked filters slow the airflow, making the system run longer to supply air. Dirt will also enter the system if the filters are blocked.
Inspect refrigerant levels: Refrigerant flows through the pipes cooling the evaporator coils and transferring heat outdoors. If levels are low, the refrigerant will not get cold enough to cool properly. Low levels also indicate a leak that is not only unsafe for the environment, but will also affect your air quality and health.
Examine condensate pan: Excess water in the pan suggests a blocked drain. Accumulating water increases the humidity levels in your home and may produce mold or mildew.
A ductless cooling and heating system represents an important investment in the value of a home. No other system surpasses the ease of installation, the quiet comfort or the affordability of a ductless system. Although ductless systems are relatively easy to maintain, here are some guidelines that will help you keep your investment working for you year after year.
When to Get Professional Assistance
If you are a do-it-yourselfer, it is fine to gently clean the outdoor unit with a garden hose. Do not attempt to use any high-pressure air or water. Always remember that the unit is an electrical appliance and do not attempt to take the unit apart. Of course, the best way to protect your system is to have a professional deep clean of the entire system every three to four years, depending on your household’s unique needs. During the deep clean process, the technician should also conduct a performance checkup and schedule any necessary service.
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