Air conditioners are one of those appliances people only think about when something goes wrong - usually on the hottest day of the year. But regular AC servicing isn't just about avoiding breakdowns; it directly affects your cooling bills, indoor air quality, and how long the unit lasts.
How often does an AC actually need servicing?
As a general rule, a split or window AC used daily during summer should be serviced at least once every 3-4 months during peak usage, and at minimum twice a year - once before summer starts and once after the season ends. Units in dusty areas or homes near construction sites may need cleaning more frequently.
Signs your AC needs attention right now
- Cooling feels weaker than before, even at the lowest temperature setting
- The unit makes rattling, buzzing, or hissing noises
- Water is leaking or dripping from the indoor unit
- A musty smell comes out when you switch it on
- Your electricity bill has jumped without a change in usage
What does a proper AC service include?
A thorough service isn't just wiping the front panel. It should cover filter cleaning, coil cleaning (both indoor and outdoor units), checking refrigerant (gas) levels, inspecting drainage for blockages, and testing the compressor's performance. Skipping gas level checks is one of the most common shortcuts that leads to a "weak cooling" complaint just weeks after a service.
DIY vs. calling a professional
Cleaning the outer filter yourself every 2-3 weeks during heavy use is fine and genuinely helps. But gas refilling, coil cleaning, and electrical checks need a trained technician - attempting these yourself risks damaging the compressor or voiding any warranty.
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