9 Aircon Servicing Mistakes Singaporeans Keep Making

If your aircon is making that suspicious rattling noise, or your electricity bill just spiked for no reason, chances are you've been making one of these classic aircon servicing mistakes. In a country where the aircon runs almost 365 days a year, treating it like a fire-and-forget appliance is a recipe for expensive breakdowns. Here's what you need to know before you call the next technician.

1. Only Servicing When It Breaks Down

The most common (and costly) mistake: waiting until the unit starts leaking water onto your parquet flooring or blowing warm air before booking a service. By then, you're not looking at a simple $60-$80 general service — you're looking at gas top-up, part replacement, or even a full compressor swap costing $300-$800.

What to do instead: Schedule general servicing every 3 months and a chemical wash/overhaul once a year. Preventive maintenance is cheaper than emergency repair, full stop.

2. Not Knowing the Difference Between General Service and Chemical Wash

Many homeowners in Tampines or Punggol BTOs book a