Why is regular AC servicing important?

Regular AC servicing ensures optimal performance, energy efficiency, and longevity of your unit. It helps in identifying and fixing minor issues before they become major problems, thus preventing costly repairs.

How often should AC be serviced?

The frequency of AC servicing depends on several factors, such as the type of AC unit, the environment it’s used in, and how frequently it operates. Here are some general guidelines:

General Guidelines for AC Servicing

1. Residential AC Units:

  • Annual Servicing: For most residential AC units, it’s recommended to have them serviced at least once a year. Ideally, this should be done in the spring before the heavy use in the summer months.
  • Biannual Servicing: If the AC unit is used year-round or in harsher conditions (e.g., high dust areas, high humidity), servicing every six months is advisable.

2. Commercial AC Units:

  • Biannual or Quarterly Servicing: Commercial units, which often run continuously, should be serviced more frequently, typically twice a year or even quarterly, to ensure optimal performance and prevent downtime.

3. Special Considerations:

  • High Usage: If the AC is in constant use or under heavy load, more frequent servicing may be necessary.
  • Older Units: Older units may require more frequent check-ups to keep them running efficiently and to prevent breakdowns.
  • Warranty Requirements: Some manufacturers’ warranties require regular servicing, so check your unit’s warranty details.

Specific Components and Maintenance


  • Monthly Check and Cleaning/Replacement: Air filters should be checked every month and cleaned or replaced as needed, especially during peak usage periods.


  • Annual Cleaning: Evaporator and condenser coils should be cleaned at least once a year to maintain efficiency.

Refrigerant Levels:

  • Annual Check: The refrigerant level should be checked annually to ensure there are no leaks and the system is operating efficiently.

Electrical Components:

  • Annual Inspection: Electrical connections and components should be inspected annually to prevent potential issues and ensure safety.

Signs Your AC Needs Servicing

Even with regular maintenance, sometimes AC units may require additional servicing. Look out for these signs:

  • Reduced cooling efficiency
  • Unusual noises or vibrations
  • Strange odors when the unit is running
  • Increased energy bills
  • Frequent cycling on and off
  • Water leaks around the unit


Regular AC servicing is key to maintaining performance, improving energy efficiency, and extending the lifespan of your unit. Following the recommended service frequency can help prevent unexpected breakdowns and ensure your AC operates smoothly when you need it the most.

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