Helpful Tips from Younits for Maintaining Central Air Conditioning Units

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If a central air conditioning unit is not maintained properly, it can result in costly repairs and even replacement. provides tips to keep the unit in prime operating condition for years of comfort and efficiency.

Maintaing Air Conditioning Units for better use

Younits provides helpful tips on how to maintain Central Air Conditioning Units

Central air conditioning units are one part of what is commonly referred to as a complete split system, which is comprised of an outdoor and indoor unit, as well as an evaporator coil (usually located on top of the indoor unit). Outdoor units are either air conditioners (cooling only) or heat pumps (heating and cooling). Indoor units are either air handlers (blowers with coil) or furnaces (gas with heating elements). Younits has a complete selection of central split systems.

In order to keep the air conditioner in optimal condition, it needs to be maintained properly. This will not only prolong the life of the unit, but will also keep it running as efficiently as possible. While most maintenance should be performed by a licensed contractor, there are some tasks that can be performed by the home or business owner. Be sure the power to the entire air conditioning system is off before doing any cleaning or maintenance.

Younits Tips for Maintaining:

  •     Have the Unit Serviced. The recommendation for servicing an ac unit is at least once per year, ideally before the cooling season begins. This should only be done by a licensed professional. Often, a service agreement can be arranged with the contractor who installed the unit. Please note: most warranties require that the air conditioner be serviced on a regular schedule for the warranty to be valid. Improper maintenance usually voids the warranty. Please see model specific warranty terms and conditions for details.
  •     Change the Filter. The filter for the air conditioner is located at or near the return supply vent. Depending on what type of filter is installed, it needs to be changed or cleaned every one to six months (more often during the peak cooling season), but should be inspected monthly at a minimum. Some filters are made for longer term use. Follow the model specific manufacturer recommendations for the types of filters that can be used.
  •     Clean the Ducting. Aside from improving air quality for those who are sensitive to dust, duct cleaning can improve the overall efficiency of the system. On average, it should be done every few years or so, depending on how frequently filters are changed and how dusty of a climate the home or commercial space is located in. For assistance in finding a professional contractor to clean ductwork, check out the NADCA (National Air Duct Cleaners Association).
  •     Off Season Care. When the cooling season is over, the outdoor unit should be covered to protect it from the elements. Before covering, clean any debris from in and around the unit.
  •     Clean the Evaporator and Condensing Coil. For the evaporator coil, check the condensate drain for blockage. This can be cleared with bleach and water or a special cleaner. Next, check the fins for dust and debris. Fins are delicate and should be treated carefully and can be cleaned with soft brush in an up and down motion. A condenser coil cleaner can be sprayed on the fins and copper tubes independently or together with the brush. The same basic process applies to the condensing coil, but a garden hose can be used in place of or along with the cleaner.

Properly maintaining the air conditioning system generates increased longevity and efficiency, resulting in out-of-pocket savings over the long term. Representatives at Younits are available to assist with any of the air conditioning selections.

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Keith Johnson
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