Important Things You Must Know About Your Air Conditioner Compressor

The compressor plays a very important role in the systematic working of your air conditioner. It forms an important part and parcel of your air conditioning unit. It is one of the important parts of the air conditioner that needs to be looked after and taken care of.

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Important Things You Must Know About Your Air Conditioner Compressor

Here are some things that are necessary for you to know about your air conditioner compressor.

Its location and importance

The compressor is often referred to as the heart of the air conditioner. It may be present on the side of the air conditioner, at the rear or even in the outdoor unit of the air conditioner. A copper refrigerant tube connects the indoor part to the outdoor unit. These two parts work in cohesion and absorb the heat from the room. The compressor is responsible for generating a high pressure cool air.

Functions of the compressor

The compressor sucks in the hot air of the room, cools it down and then releases it in the form of cold air. A liquid refrigerant, which absorbs hot air and changes it into gas, is used to keep the evaporator coil cool. The compressor moves the refrigerant in between the condenser coils and the evaporator. A two-stage compressor speeds up the process of cooling your room. The second compressor makes sure that when the outside heat subsides, the first stage should run at a lower speed that would save a lot of energy.

Mistakes that can cause malfunctioning

If the suction lines are of the wrong size or get blocked, it can result in the overheating of the air conditioner and cause compressor failure. If the coils are dirty and not cleaned with time, they might also affect the compressor’s performance. Pollutants in the unit and too much usage of a refrigerant or the usage of a wrong refrigerant can also hamper its performance. Following are the indications of it being malfunctioned:

  • Insufficient cooling
  • Unit making noises
  • Not starting easily

Maintenance of the compressor

Preventive maintenance is the most effective way to avoid bearing the heavy expenses of costly repairs. To nib the problem right at the bud is the way to deal with it. Regular checks, by professionals are recommended to avoid the issue from becoming a large one.  An HVAC technician could help you in this part and don’t try to do it yourself.

Repairing of the compressor

If there is any malfunctioning in the compressor, make sure to contact your HVAC techy, who would guide you about the repair decision. But if, the compressor is out of its life, replacement may be the only option left. If the damage is vast, you may need to replace the entire HVAC system.


It is important that your air conditioner keeps on working efficiently to save you from the heat. For this to happen, you must take care of the most important part of the air conditioner, i.e. the compressor. The above-mentioned tips would surely help you to keep your compressor in good condition and enhance its life-term.