Modern air conditioners, particularly the ones commonly used in homes and offices, do not require oiling. Unlike some older mechanical systems, such as industrial machinery or certain types of fans, air conditioners today are designed with sealed, permanently lubricated motors and bearings that do not need regular oiling.
The lubrication inside modern air conditioners is meant to last for the life of the unit, and there is no specific maintenance task related to oiling. In fact, attempting to add oil to a sealed system can cause damage and reduce the efficiency of the air conditioner.
However, it's essential to perform regular maintenance on your air conditioning system to ensure its optimal performance and efficiency. Routine maintenance tasks for air conditioners typically include cleaning or replacing air filters, inspecting and cleaning coils, checking refrigerant levels, and verifying the proper functioning of electrical components.
To know the specific maintenance requirements for your air conditioner, it's best to refer to the manufacturer's guidelines or consult a licensed HVAC technician who can provide proper servicing according to the model and specifications of your particular unit. Regular professional maintenance will help keep your air conditioner running efficiently and prolong its lifespan.